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NDQ_013973 | A wave caused by a disturbance with greater energy has greater amplitude. | a. true, b. false | a | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013975 | If you know the speed and wavelength of a wave, you can calculate its frequency. | a. true, b. false | a | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013978 | Waves generally travel most slowly in gases. | a. true, b. false | a | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013980 | A wave with a higher frequency always has a greater speed than a wave with a lower frequency. | a. true, b. false | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013981 | One measure of wave size is wave frequency. | a. true, b. false | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013982 | Measures of wave size include | a. wavelength, b. wave amplitude, c. wave frequency, d. two of the above | d | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013983 | The resting position of a transverse wave is called a trough. | a. true, b. false | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013984 | The amplitude of a transverse wave is the distance between | a. two adjacent crests, b. two adjacent troughs, c. a crest and a trough, d. a crest and the resting position | d | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013985 | What is the speed of a wave that has a wavelength of 0.5 meters and a frequency of 2 waves per second? | a. 14 m/s, b. 1 m/s, c. 4 m/s, d. 10 m/s | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013986 | If you know only a waves amplitude and wavelength, you can calculate its speed. | a. true, b. false | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013987 | Wave amplitude depends on | a. wavelength, b. wave speed, c. wave energy, d. wave frequency, e. wave energy of the original disturbanc | c | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013988 | Wave speed and wavelength have an inverse relationship. | a. true, b. false | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013989 | A tsunami is an ocean wave with an unusually great amplitude. | a. true, b. false | a | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013990 | When one wave passes a fixed point every second, the frequency of the waves is | a. 0.1 Hz, b. 1 Hz, c. 10 Hz, d. none of the above | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013991 | Assume that a wave has a fixed speed. If the frequency of the wave increases, its wavelength | a. increases, b. decreases, c. does not change, d. may or may not change | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013992 | The speed of waves depends on their | a. wavelength, b. frequency, c. medium, d. all of the above | d | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013993 | maximum distance the particles of a medium move from their resting position | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | c | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013994 | number of waves that pass a fixed point in a given amount of time | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | e | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013995 | how far a wave travels in a given amount of time | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | g | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013996 | highest point reached by particles of the medium in a transverse wave | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | f | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013997 | distance between two corresponding points on adjacent waves | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | b | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013998 | location of particles of the medium in the absence of a wave | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | d | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_013999 | SI unit for wave frequency | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | a | Lesson: measuring waves
Wave Amplitude and Wavelength:
The height of a wave is its amplitude. Another measure of wave size is wavelength. Both wave amplitude and wave- length are described in detail below. Figure 19.11 shows these wave measures for both transverse and longitudinal waves. You can also simulate waves wi... |
NDQ_014008 | An echo occurs because of wave | a. interference, b. diffraction, c. refraction, d. reflection | d | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014010 | If a wave strikes a barrier at a 45 angle, what is the angle of reflection? | a. 180, b. 120, c. 90, d. 45 | d | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014012 | Light is refracted when it | a. strikes a barrier it cannot pass through, b. spreads around an obstacle such as a wall, c. passes from air to water at an angle, d. interferes with other waves | c | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014013 | What happens when a wave passes around a barrier that is shorter than its wavelength? | a. The wave has a large angle of incidence, b. The wave spreads out around the barrier, c. The wave is refracted, d. none of the above | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014016 | Constructive interference occurs when two waves pass through each other and the | a. crests of both waves cancel each other out, b. crests of both waves have a smaller amplitude, c. crests of one wave overlap crests of the other wave, d. crests of one wave cancel out troughs of the other wave | c | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014021 | Reflection occurs only with sound waves. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014024 | All reflected waves appear to be standing still. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014026 | The angle of incidence is always greater than the angle of reflection. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014027 | Reflected waves have the same speed as the original waves before they were reflected. | a. true, b. false | a | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014028 | Diffraction is more pronounced with sound waves than light waves. | a. true, b. false | a | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014029 | Diffraction occurs because waves travel at different speeds in different media. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014030 | Wave interference occurs whenever waves enter a new medium. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014031 | Wave interference occurs only when a wave is reflected. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014032 | You can hear sounds around the corner of a building because the sound waves are refracted. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014033 | Light waves refract when they pass from air to water. | a. true, b. false | a | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014034 | Destructive interference decreases the amplitude of waves. | a. true, b. false | a | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014035 | A standing wave forms when a wave is refracted. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014036 | Interference occurs only when the crests of one wave overlap with the troughs of another wave. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014037 | A standing wave occurs when a wave is reflected straight back from an obstacle. | a. true, b. false | a | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014038 | Wave interference always changes the speed of a wave. | a. true, b. false | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014039 | change in direction of waves as they enter a new medium at an angle | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | e | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014040 | bouncing back of waves from a barrier | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | c | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014041 | any interaction of waves with other waves | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | g | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014042 | situation in which crests of one wave overlap crests of another wave | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | d | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014043 | any interaction of waves with matter | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014044 | spreading out of waves as they pass around a barrier | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | a | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014045 | situation in which crests of one wave overlap troughs of another wave | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | f | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014046 | Ways that waves may interact with matter include | a. diffraction, b. destructive interference, c. constructive interference, d. all of the above | a | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014047 | Reflected waves differ from the original waves before they were reflected in their | a. speed, b. direction, c. frequency, d. wavelength | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014048 | Refraction occurs because waves | a. cannot travel through an obstacle such as a wall, b. travel at different speeds in different media, c. interfere with their reflected waves, d. none of the above | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014049 | If the length of an obstacle is greater than the wavelength of a wave, you would expect to see | a. no diffraction, b. very little diffraction, c. a lot of diffraction, d. wave interference | b | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014050 | A standing wave is a wave that | a. is not moving, b. has an upright direction, c. is taller than other waves, d. appears to be standing still | d | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014051 | A standing wave occurs because of a combination of | a. incidence and reflection, b. refraction and diffraction, c. refraction and interference, d. constructive and destructive interference | d | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014052 | Which statement about destructive interference is true? | a. It occurs when waves pass through each other, b. It results in a wave with a higher frequency, c. It occurs when waves interact with matter, d. It always produces a standing wave | a | Lesson: wave interactions and interference
Wave Interactions:
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matt... |
NDQ_014190 | Through which medium do sounds waves travel most slowly? | a. air, b. wood, c. glass, d. aluminum | a | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014191 | Assume that sound A has a decibel level of 10 and sound B has a decibel level of 30. How many times louder is sound B than sound A? | a. 3, b. 10, c. 20, d. 100 | d | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014192 | What determines the intensity of sound? | a. amplitude of sound waves, b. frequency of sound waves, c. distance from the sound source, d. two of the above | d | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014193 | Compared with a low-pitched sound, a high-pitched sound has sound waves with | a. greater intensity, b. higher frequency, c. greater amplitude, d. longer wavelength | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014194 | Human beings can normally hear sounds with a frequency between about | a. 10 and 10,000 Hz, b. 20 and 20,000 Hz, c. 20 and 140 Hz, d. 10 and 120 Hz | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014195 | The speed of sound in air at 20 C is | a. 343 m/s, b. 1437 m/s, c. 3850 m/s, d. 4540 m/s | a | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014196 | The Doppler effect occurs when the sound source | a. is moving relative to the listener, b. produces sound waves with a frequency above 10,000 Hz, c. starts producing lower frequency sound waves, d. starts producing greater amplitude sound waves | a | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014204 | All sounds begin with vibrations in matter. | a. true, b. false | a | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014205 | Sound waves generally travel most quickly through gases. | a. true, b. false | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014206 | Sounds can travel through air and water but not through solids. | a. true, b. false | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014207 | Sound waves travel more quickly in warm air than cold air. | a. true, b. false | a | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014208 | The amount of water vapor in the air affects the speed of sound through air. | a. true, b. false | a | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014209 | Sounds that are too high in frequency for humans to hear are called infrasound. | a. true, b. false | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014210 | As distance from a sound source increases, the area covered by the sound waves decreases. | a. true, b. false | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014211 | As the decibel level of sounds gets higher, the pitch of the sounds always gets higher. | a. true, b. false | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014212 | The intensity of sound waves is the same regardless of distance from the sound source. | a. true, b. false | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014213 | Some animals can hear sounds with frequencies as high as 100,000 Hz. | a. true, b. false | a | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014214 | how loud or soft a sound seems to a listener | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | a | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014215 | sounds with frequencies above 20,000 hertz | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | f | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014216 | unit of sound intensity | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | d | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014217 | how high or low a sound seems to a listener | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | g | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014218 | transfer of energy from a vibrating object in waves that travel through matter | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | c | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014219 | sounds with frequencies below 20 hertz | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | b | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014220 | measure of the amount of energy in sound waves | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | e | Lesson: characteristics of sound
Sound Waves:
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
How Sounds Begin:
All sounds begin with vibrat... |
NDQ_014221 | Bones in the ear canal transmit sound waves to the middle ear. | a. true, b. false | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014222 | Which choice shows the correct sequence in which sound waves travel through the ear? | a. ear canal eardrum hammer, b. anvil oval window ear canal, c. stirrup pinna eardrum, d. eardrum ear canal cochlea | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014223 | The stirrup passes amplified sound waves to the oval window. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014224 | In which structure of the ear are sound waves changed to nerve impulses? | a. eardrum, b. stirrup, c. oval window, d. cochlea | d | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014225 | We hear sound as soon as sound waves reach the middle ear. | a. true, b. false | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014226 | Which structures are found in the outer ear? | a. anvil, pinna, eardrum, b. pinna, ear canal, eardrum, c. ear canal, cochlea, stirrup, d. hammer, pinna, ear canal | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014227 | Functions of the ossicles include | a. amplifying sound waves, b. transferring sound waves, c. catching sound waves, d. two of the above | d | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014228 | Most adults experience at least some hearing loss as they get older. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014229 | The most common cause of hearing loss is exposure to loud sounds. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014230 | Which decibel level of sound has the longest permissible exposure time? | a. 85 dB, b. 100 dB, c. 106 dB, d. 115 dB | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014232 | Long-term exposure to loud sounds is needed to damage hearing. | a. true, b. false | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014233 | Many home and yard chores are loud enough to cause hearing loss. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014235 | Electronic hearing protectors reduce the amplitude of high-amplitude sound waves. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014238 | The brain interprets nerve impulses from the ears as sounds. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014240 | Materials used for earplugs include silicon and polyurethane foam. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014241 | The brain plays an essential role in hearing. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014242 | part of the ear that extends outward from the head | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | d | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014243 | The most common cause of hearing loss is damage to the eardrum. | a. true, b. false | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014244 | any of three tiny bones in the middle ear | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | g | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
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