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NDQ_002314 | The hottest part of the sun is the | a. convection zone, b. radiative zone, c. corona, d. core | d | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002315 | Power grids and communication systems on Earth may be disturbed by a | a. sunspot, b. solar flare, c. solar corona, d. solar fusion reaction | b | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002316 | relatively cool, dark area on the suns surface | a. chromosphere, b. corona, c. photosphere, d. plasma, e. convection zone, f. radiative zone, g. sunspot | g | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002317 | superheated gas with an electrical charge | a. chromosphere, b. corona, c. photosphere, d. plasma, e. convection zone, f. radiative zone, g. sunspot | d | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002318 | layer of the sun that surrounds the radiative zone | a. chromosphere, b. corona, c. photosphere, d. plasma, e. convection zone, f. radiative zone, g. sunspot | e | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002319 | visible layer of the suns atmosphere | a. chromosphere, b. corona, c. photosphere, d. plasma, e. convection zone, f. radiative zone, g. sunspot | c | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002320 | layer of the suns atmosphere that glows red | a. chromosphere, b. corona, c. photosphere, d. plasma, e. convection zone, f. radiative zone, g. sunspot | a | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002321 | layer of the sun nearest the core | a. chromosphere, b. corona, c. photosphere, d. plasma, e. convection zone, f. radiative zone, g. sunspot | f | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002322 | hottest layer of the suns atmosphere | a. chromosphere, b. corona, c. photosphere, d. plasma, e. convection zone, f. radiative zone, g. sunspot | b | Lesson: the sun
Layers of the Sun:
The Sun is made almost entirely of the elements hydrogen and helium. The Sun has no solid material. Most atoms in the Sun exist as plasma. Plasma is superheated gas with an electrical charge. Because the Sun is made of gases, it does not have a defined outer boundary. Like Earth, the... |
NDQ_002323 | phase of the moon in which half of the side facing Earth is lit | a. full moon, b. quarter moon, c. lunar eclipse, d. umbra, e. solar eclipse, f. penumbra, g. new moon | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002324 | What are the two distinct parts of Earths shadow during a solar eclipse? | a. light and dark, b. panera and umbrella, c. umbra and penumbra, d. inner and outer | c | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002325 | phase of the moon in which the entire side facing Earth is dark | a. full moon, b. quarter moon, c. lunar eclipse, d. umbra, e. solar eclipse, f. penumbra, g. new moon | g | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002326 | If the Moon is more than half lit, but the left side is dark, the phase is | a. first quarter, b. waxing gibbous, c. waning gibbous, d. last quarter | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002327 | event in which Earth casts a shadow on the moon | a. full moon, b. quarter moon, c. lunar eclipse, d. umbra, e. solar eclipse, f. penumbra, g. new moon | c | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002328 | When the full moon moves through Earths shadow, what occurs? | a. solar eclipse, b. high tide, c. low tide, d. lunar eclipse | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002329 | A quarter moon is | a. halfway between a full moon and a new moon, b. two weeks after a full moon, c. when one quarter of the moon you see is lit, d. when one quarter of the moon you see is dark | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002330 | inner part of the moons shadow during an eclipse | a. full moon, b. quarter moon, c. lunar eclipse, d. umbra, e. solar eclipse, f. penumbra, g. new moon | d | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002331 | event in which the moon casts a shadow on Earth | a. full moon, b. quarter moon, c. lunar eclipse, d. umbra, e. solar eclipse, f. penumbra, g. new moon | e | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002332 | What is the moon called when it is more than half lit? | a. a harvest moon, b. a blue moon, c. a crescent moon, d. a gibbous moon | d | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002334 | outer part of the moons shadow during an eclipse | a. full moon, b. quarter moon, c. lunar eclipse, d. umbra, e. solar eclipse, f. penumbra, g. new moon | f | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002335 | phase of the moon in which the entire side facing Earth is lit | a. full moon, b. quarter moon, c. lunar eclipse, d. umbra, e. solar eclipse, f. penumbra, g. new moon | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002343 | A lunar eclipse generally lasts between 5-10 minutes. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002345 | Birds may become confused during a solar eclipse and think that it is nighttime. | a. true, b. false | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002348 | During a total lunar eclipse the moon is entirely dark. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002350 | A solar eclipse is seen on all of the Earth that is having daytime. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002351 | The time between two full moon phases is 29.5 days. | a. true, b. false | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002352 | The cone-shaped part of the moons shadow is the penumbra. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002353 | Light is only partly blocked in the umbra part of a shadow. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002354 | Solar eclipses are rare events. | a. true, b. false | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002355 | During a partial lunar eclipse, only part of the moon enters Earths umbra. | a. true, b. false | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002356 | A total lunar eclipse occurs once every month. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002357 | The full moon phase occurs when the moon is on the opposite side of Earth from the sun. | a. true, b. false | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002358 | A crescent phase follows the first quarter phase of the moon. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002359 | If the new moon occurs on the 1st of the month, the full moon will occur on the 28th of the month. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002360 | When a lunar eclipse occurs, the sun cannot be seen from Earth. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002361 | When a solar eclipse occurs, the moon cannot be seen from Earth. | a. true, b. false | b | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002362 | Interactions between the sun, moon, and Earth include | a. lunar and solar eclipses, b. phases of the moon, c. Earths tides, d. all of the above | d | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002363 | The ecliptic is the | a. plane in which Earth orbits the sun, b. distance between the moon and Earth, c. period during which an eclipse occurs, d. difference in size between the umbra and penumbra | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002364 | A total solar eclipse occurs when | a. Earths umbra falls on the moon, b. Earths shadow completely blocks the moon, c. the moons shadow completely blocks the sun, d. none of the above | c | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002365 | A solar eclipse usually lasts for | a. a few minutes, b. at least an hour, c. a few hours, d. a day or more | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002366 | The moon passes through all of its phases about once every | a. week, b. 2 weeks, c. month, d. 2 months | c | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002367 | How much time goes by between the new moon and first quarter moon phases? | a. 1 week, b. 2 weeks, c. 3 weeks, d. 4 weeks | a | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002368 | Which phase of the moon occurs next after the full moon phase? | a. third quarter moon, b. crescent moon, c. gibbous moon, d. new moon | c | Lesson: the sun and the earthmoon system
Solar Eclipses:
When a new moon passes directly between the Earth and the Sun, it causes a solar eclipse (Figure 24.20). The Moon casts a shadow on the Earth and blocks our view of the Sun. This happens only all three are lined up and in the same plane. This plane is called the... |
NDQ_002369 | collection of many small objects beyond the orbit of Neptune | a. astronomical unit, b. Kuiper belt, c. nebula, d. dwarf planet, e. solar system, f. asteroid belt, g. exoplanet | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002370 | The planets appear to move | a. in the same direction as the stars, b. some with and some opposite the stars, c. in a circular motion, d. sometimes with and sometimes opposite the stars | d | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002371 | distance from Earth to the sun | a. astronomical unit, b. Kuiper belt, c. nebula, d. dwarf planet, e. solar system, f. asteroid belt, g. exoplanet | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002372 | The model that put the Sun at the center of the universe was proposed by | a. Aristotle, b. Galileo, c. Copernicus, d. Ptolemy | c | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002373 | star and the planets that orbit it | a. astronomical unit, b. Kuiper belt, c. nebula, d. dwarf planet, e. solar system, f. asteroid belt, g. exoplanet | e | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002374 | Extrasolar planets are found by | a. the wobble of a star on its axis, b. the periodic dimming in of a star, c. being visible through a telescope, d. the excess gravity of a star | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002375 | All of the planets in the solar system | a. lie in the same plane, b. are made mostly of rocks and metals, c. rotate in the same direction, d. all of these | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002376 | collection of many small objects between the orbits of Mars and Jupiter | a. astronomical unit, b. Kuiper belt, c. nebula, d. dwarf planet, e. solar system, f. asteroid belt, g. exoplanet | f | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002377 | planet that orbits a star other than the sun | a. astronomical unit, b. Kuiper belt, c. nebula, d. dwarf planet, e. solar system, f. asteroid belt, g. exoplanet | g | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002378 | The force of gravity between objects depends on their mass and __________ | a. acceleration, b. distance apart, c. gravitational potential energy, d. density | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002380 | planet such as Pluto | a. astronomical unit, b. Kuiper belt, c. nebula, d. dwarf planet, e. solar system, f. asteroid belt, g. exoplanet | d | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002381 | giant cloud of gas and dust | a. astronomical unit, b. Kuiper belt, c. nebula, d. dwarf planet, e. solar system, f. asteroid belt, g. exoplanet | c | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002389 | If you know a planets orbit you can determine its approximate distance from the Sun. | a. true, b. false | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002391 | The planets in order from the Sun are Mars, Venus, Earth, Mercury, Saturn, Uranus, Jupiter and Neptune. | a. true, b. false | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002394 | The orbits of the planets are circular. | a. true, b. false | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002396 | One astronomical unit is the distance from Earth to Sun. | a. true, b. false | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002397 | All of the planets in the solar system rotate in the same direction. | a. true, b. false | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002398 | The planets in our solar system were named for Greek gods and goddesses. | a. true, b. false | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002399 | We now know that the sun is the center of the universe. | a. true, b. false | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002400 | Scientists think that our solar system formed from an asteroid belt. | a. true, b. false | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002401 | The planets formed when pieces of matter collided and clumped together. | a. true, b. false | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002402 | Our solar system contains five dwarf planets. | a. true, b. false | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002403 | The planet closest to the sun is Venus. | a. true, b. false | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002404 | The planet with the greatest mass and diameter is Saturn. | a. true, b. false | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002405 | Planets farther from the sun have orbits that are farther apart. | a. true, b. false | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002406 | The orbits of the planets are nearly circular. | a. true, b. false | a | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002407 | Our sun is the only star that has planets revolving around it. | a. true, b. false | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002408 | Our solar system includes | a. galaxies, b. asteroids, c. black holes, d. constellations | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002409 | The early Earth-centered model of the universe was proposed by | a. Galileo, b. Ptolemy, c. Copernicus, d. none of the above | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002410 | The planet that is most similar to Earth in mass and diameter is | a. Mars, b. Venus, c. Jupiter, d. Mercury | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002411 | Which statement is true about the inner planets of our solar system? | a. They formed before the sun formed, b. They formed from dense elements, c. They include Mars and Jupiter, d. They have very long years | b | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002412 | All planets of our solar system orbit the sun | a. in the same plane, b. at the same speed, c. in the same direction, d. two of the above | d | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002413 | How long the day lasts on a planet depends on its | a. distance from the sun, b. speed of revolution, c. speed of rotation, d. length of orbit | c | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002414 | To be a planet, an object must | a. be big enough that its own gravity makes it round, b. have cleared its path of smaller objects, c. orbit a star, d. all of the above | d | Lesson: introduction to the solar system
Changing Views of the Solar System:
The Sun and all the objects that are held by the Suns gravity are known as the solar system. These objects all revolve around the Sun. The ancient Greeks recognized five planets. These lights in the night sky changed their position against th... |
NDQ_002415 | hottest of all the planets in the solar system | a. Mercury, b. Opportunity, c. Mars, d. inner planet, e. Earth, f. Messenger, g. Venus | g | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002416 | What explains the number of impact craters on Mercury? | a. It is very close to the Sun, b. The craters have been overrun by lava flows, c. It is not geologically active, d. It is subject to constant storms | c | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002417 | rover that explored Mars surface | a. Mercury, b. Opportunity, c. Mars, d. inner planet, e. Earth, f. Messenger, g. Venus | b | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002418 | The largest volcano in the solar system is a __________ volcano a on the planet ___________. | a. composite; Mars, b. shield; Mars, c. composite; Venus, d. shield; Venus | b | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002419 | only planet in the solar system known to have plate tectonics | a. Mercury, b. Opportunity, c. Mars, d. inner planet, e. Earth, f. Messenger, g. Venus | e | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002420 | What is true of life on the inner planets? | a. Earths Moon had life in ancient oceans, b. Venus has microbes beneath its thick atmosphere, c. Mars has ancient fossil microbes, d. There is only life on Earth | d | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002421 | Why is Venus the hottest planet? | a. It is closest to the Sun, b. It has a powerful greenhouse effect, c. It has the most internal heat, d. It spins the fastest | b | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002422 | any of the four planets closest to the sun | a. Mercury, b. Opportunity, c. Mars, d. inner planet, e. Earth, f. Messenger, g. Venus | d | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002423 | smallest of all the planets in the solar system | a. Mercury, b. Opportunity, c. Mars, d. inner planet, e. Earth, f. Messenger, g. Venus | a | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002424 | Evidence for liquid water in the Martian past includes | a. water-eroded canyons, b. fossil fish, c. the presence of polar ice currently, d. all of these | a | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002426 | spacecraft that is orbiting and studying Mercury | a. Mercury, b. Opportunity, c. Mars, d. inner planet, e. Earth, f. Messenger, g. Venus | f | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002427 | planet with the largest volcano in the solar system | a. Mercury, b. Opportunity, c. Mars, d. inner planet, e. Earth, f. Messenger, g. Venus | c | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002435 | All of the inner planets were once geologically active. | a. true, b. false | a | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002437 | Venus has the largest greenhouse effect of the inner planets. | a. true, b. false | a | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002440 | Venus is the only inner planet with a large moon besides Earth. | a. true, b. false | b | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002442 | Besides Earth, the inner planets are all solid. | a. true, b. false | b | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002443 | The inner planets spin faster than the outer planets. | a. true, b. false | b | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002444 | All of the inner planets | a. have very rapid rotation, b. have a thick atmosphere, c. have one or more moons, d. are solid, dense, and rocky | d | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002445 | Which statement about Mercurys core is false? | a. It is very small, b. It contains mostly iron, c. It exists in a molten state, d. It makes up 42% of Mercurys volume | a | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002446 | Venus has all of the following except | a. moons, b. valleys, c. mountains, d. lava plains | a | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002447 | Which process explains why Venus is very hot? | a. greenhouse effect, b. volcanic activity, c. plate tectonics, d. none of the above | a | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002448 | The inner planet with an average surface temperature of 14 C is | a. Mercury, b. Venus, c. Earth, d. Mars | c | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
NDQ_002449 | Mars does not usually have liquid water on its surface because the | a. air of the planets atmosphere is too dense, b. pressure of the planets atmosphere is too low, c. temperature of the planets surface is too high, d. two of the above | a | Lesson: inner planets
Mercury:
Mercury is the smallest planet. It has no moon. The planet is also closest to the Sun and appears in Figure 25.7. As Figure 25.8 shows, the surface of Mercury is covered with craters, like Earths Moon. The presence of impact craters that are so old means that Mercury hasnt changed much g... |
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