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NDQ_000020
The scientific method is used to answer any question that one can think of.
a. true, b. false
b
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000022
Scientific models are an organized step-by-step process to answer a question in science.
a. true, b. false
b
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000025
The dependent variable in an experiment is directly influenced by the independent variable.
a. true, b. false
a
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000027
Even if there is information we dont know, a model can be used to explain an event.
a. true, b. false
a
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000028
A theory will still remain even if conflicting data is discovered.
a. true, b. false
b
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000036
Science is a set of knowledge and also a way of knowing things.
a. true, b. false
a
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000037
A scientific hypothesis is useful only if it is proven to be true.
a. true, b. false
b
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000038
Controls are factors that could affect the outcome of an experiment.
a. true, b. false
a
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000039
A scientific investigation always begins with a theory.
a. true, b. false
b
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000040
An example of a scientific hypothesis is that angels dance on the head of a pin.
a. true, b. false
b
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000041
An example of a scientific theory is the theory of plate tectonics.
a. true, b. false
a
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000042
A globe is a physical model of planet Earth.
a. true, b. false
a
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000043
Only models that are perfect representations of reality are useful in science.
a. true, b. false
b
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000044
You should wear a hoodie to protect your hair when you work in a science lab.
a. true, b. false
b
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000045
You should take a first aid kit when you do a science investigation in the field.
a. true, b. false
a
Lesson: the nature of science Scientific Method: The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followe...
NDQ_000139
Wind causes very little erosion.
a. true, b. false
b
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000140
Wind can carry dust just a few kilometers.
a. true, b. false
b
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000141
Particles that the wind moves by traction stay on the ground.
a. true, b. false
a
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000142
Wind-blown sand cannot erode solid rock.
a. true, b. false
b
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000143
When wind slows down, it deposits smaller sediments first.
a. true, b. false
b
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000144
A sand dune migrates in the same direction that the wind usually blows.
a. true, b. false
a
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000145
A sand dune has a gentle slope on the slip face side.
a. true, b. false
b
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000146
Wind causes less erosion when it blows at a higher speed.
a. true, b. false
b
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000147
Wind erosion can be reduced by planting rows of trees around fields.
a. true, b. false
a
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000148
Fences are used to help prevent erosion of sand dunes.
a. true, b. false
a
Lesson: erosion and deposition by wind Wind Erosion: Dust storms like the one in Figure 10.20 are more common in dry climates. The soil is dried out and dusty. Plants may be few and far between. Dry, bare soil is more easily blown away by the wind than wetter soil or soil held in place by plant roots. How the Wind M...
NDQ_000492
Organisms alive today evolved from earlier life forms.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000494
Adaptations are inheritable characteristics that help an organism to survive.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000497
Mass extinctions often separate the time periods on the geologic time scale.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000499
A mutation is almost always favorable.
a. true, b. false
b
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000500
Any animal can adapt to any environmental conditions.
a. true, b. false
b
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000501
More than a million species are known to live on Earth today.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000502
Almost all existing species have now been discovered.
a. true, b. false
b
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000503
All organisms have a unique set of traits.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000504
All gene mutations are harmful.
a. true, b. false
b
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000505
Adaptations evolve because they help organisms survive or reproduce.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000506
All organisms alive today evolved from earlier life forms.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000507
Ancient horses were much larger than they are today.
a. true, b. false
b
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000508
Most species that once lived on Earth are now extinct.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000509
Paleozoic life was more diverse on land than in the oceans.
a. true, b. false
b
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000510
Moving from water to land required many new adaptations.
a. true, b. false
a
Lesson: history of earths life forms Biological Diversity: There are over 1 million species of plants and animals living on Earth today. Scientists think that there are millions more that have not yet been discovered. Ways to Live in the Environment: Each organism has the ability to survive in a specific environment...
NDQ_000967
The westerly winds travel toward the west.
a. true, b. false
b
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000969
Cool air sinking creates a high pressure zone at the ground.
a. true, b. false
a
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000972
Wind is created by air that moves vertically between high and low pressure zones.
a. true, b. false
b
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000974
Walking on the beach in San Diego in December, one would likely feel a strong sea breeze coming off
a. true, b. false
b
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000975
Winds blow northeast to southwest or the reverse due to Coriolis Effect.
a. true, b. false
a
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000976
The strength of the wind depends on the difference in air pressure.
a. true, b. false
a
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000977
Ocean water warms up and cools down more quickly than land.
a. true, b. false
b
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000978
Land breezes blow when the land is warmer than the ocean.
a. true, b. false
b
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000979
Monsoons occur because of seasonal differences in temperature.
a. true, b. false
a
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000980
Global winds are caused by Earths rotation on its axis.
a. true, b. false
b
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000981
Global winds called westerlies blow toward the northwest or southwest.
a. true, b. false
b
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000982
Global winds called easterlies blow away from the poles.
a. true, b. false
a
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000983
The strongest jet streams are the polar jets.
a. true, b. false
a
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000984
Warm air rises through the troposphere until it reaches the tropopause.
a. true, b. false
a
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_000985
In the summer, ocean water is warmer than the land during the day.
a. true, b. false
b
Lesson: air movement Why Air Moves: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds. Figure 15.19 shows how this happens. Air in the troposphere is warmer near the ground. The wa...
NDQ_001038
The main reason that weather changes is the movement of air masses.
a. true, b. false
a
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001041
Most air masses form over polar or tropical regions.
a. true, b. false
a
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001043
When air masses collide, their air mixes together.
a. true, b. false
b
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001044
Fronts are always moving.
a. true, b. false
b
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001045
Fronts usually have fair weather.
a. true, b. false
b
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001046
An air mass is a batch of air that has very similar temperature and humidity.
a. true, b. false
a
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001047
At a cold front, a warm air mass lifts a cold air mass out of its way.
a. true, b. false
b
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001048
Warm fronts move slowly and cover a wide area.
a. true, b. false
a
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001049
Air masses generally form over a relatively small area.
a. true, b. false
b
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001050
Air always flows from lower to higher pressure.
a. true, b. false
b
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001051
A front is the meeting of two air masses that have different densities and do not easily mix.
a. true, b. false
a
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001052
An occluded front has three air masses: cold, warm, then cold.
a. true, b. false
a
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001053
The Coriolis effect causes the winds of a cyclone to rotate.
a. true, b. false
a
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001054
Cyclones bring fair, dry weather.
a. true, b. false
b
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001055
Cyclones occur only in the Northern Hemisphere, and anticyclones occur only in the Southern Hemi-
a. true, b. false
b
Lesson: changing weather Air Masses: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Formation of Air Masses: Most air mas...
NDQ_001084
Thunderstorms occur when the air is very warm and humid.
a. true, b. false
a
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001087
Thunder is caused by clouds rubbing together.
a. true, b. false
b
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001089
Severe thunderstorms may produce tornadoes.
a. true, b. false
a
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001090
Lightning never strikes the same place twice.
a. true, b. false
b
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001091
Tornadoes may be hundreds of kilometers wide.
a. true, b. false
b
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001092
Cumulonimbus clouds are created by strong downdrafts.
a. true, b. false
b
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001093
Hurricanes gain strength when they go ashore.
a. true, b. false
b
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001094
The Fujita scale is used to classify hurricanes.
a. true, b. false
b
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001095
The states of Texas, Oklahoma, Kansas, Nebraska and South Dakota are the hotspots for tornadoes.
a. true, b. false
a
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001096
All the damage done by hurricanes is caused by high winds.
a. true, b. false
b
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001097
Lightning heats the air so that it expands explosively.
a. true, b. false
a
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001098
If there were no thunderstorms in Kansas, there would be no tornadoes there either.
a. true, b. false
a
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001099
Windchill depends on air temperature and wind speed.
a. true, b. false
a
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001100
Lake-effect snow occurs because of differences in temperature between land and water.
a. true, b. false
a
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001101
Storms that may have the greatest wind speeds are blizzards.
a. true, b. false
b
Lesson: storms What Are Storms: A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some ...
NDQ_001136
On a weather map, a curved red line with triangles indicates a warm front.
a. true, b. false
b
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001138
Weather predictions are right more often than a guess would be.
a. true, b. false
a
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001140
In a barometer, the atmosphere pressing down makes the mercury level go down.
a. true, b. false
b
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001143
All weather data is collected using computerized devices.
a. true, b. false
b
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001144
Weather stations collect data on land or at sea.
a. true, b. false
a
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001151
Some weather stations float on the ocean.
a. true, b. false
a
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001152
A weather station has several weather instruments.
a. true, b. false
a
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001153
Weather balloons are tied down so they will not float away.
a. true, b. false
b
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001154
Weather balloons send out radio waves in all directions.
a. true, b. false
b
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001155
A single weather satellite orbits Earth.
a. true, b. false
b
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001156
Weather radar is used to detect high winds.
a. true, b. false
b
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001157
Computers and models are used to analyze weather data.
a. true, b. false
a
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001158
Weather predictions have become more accurate in recent decades.
a. true, b. false
a
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001159
A weather map shows weather conditions for a given area.
a. true, b. false
a
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...
NDQ_001160
A weather map always shows temperature and precipitation.
a. true, b. false
b
Lesson: weather forecasting Predicting the Weather: Weather is very difficult to predict. Thats because its very complex and many factors are involved. Slight changes in even one factor can cause a big change in the weather. Still, certain rules of thumb generally apply. These rules help meteorologists forecast the we...