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1
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_000489
image
abc_question_images/rain_shadow_17524.png
rain_shadow_17524.png
1
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DD_0023
image
teaching_images/rain_shadow_7524.png
This diagram shows the effect of rains on hills. The moist air from the green side of the hills rising up in the air and condenses as water vapor. This is called precipitation. The other side of the hill form the rain shadow region. Rain shadow region is a region having little rainfall because it is sheltered from prevailing rain-bearing winds by a range of hills. The dry air descends from this region.
0.880729
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_000491
image
abc_question_images/rain_shadow_17525.png
rain_shadow_17525.png
0.806069
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_000498
image
abc_question_images/rain_shadow_17535.png
rain_shadow_17535.png
0.795215
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_000507
image
question_images/rain_shadow_7525.png
rain_shadow_7525.png
0.784156
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_002101
image
abc_question_images/volcanoes_17667.png
volcanoes_17667.png
0.7751
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_000506
image
abc_question_images/rain_shadow_17537.png
rain_shadow_17537.png
0.772591
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_009007
image
question_images/cycle_water_4927.png
cycle_water_4927.png
0.760888
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_001249
image
question_images/cycle_rock_6724.png
cycle_rock_6724.png
0.754421
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
DQ_000527
image
question_images/rain_shadow_7535.png
rain_shadow_7535.png
0.745332
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_1563
text
null
Precipitation (Figure 1.1) is an extremely important part of weather. Water vapor condenses and usually falls to create precipitation.
0.637681
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_1771
text
null
Thunderstorms are extremely common. Worldwide there are 14 million per year thats 40,000 per day! Most drop a lot of rain on a small area quickly, but some are severe and highly damaging.
0.621765
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_0248
text
null
What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place.
0.61978
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_1235
text
null
The high and low pressure areas created by the six atmospheric circulation cells also determine in a general way the amount of precipitation a region receives. Rain is common in low pressure regions due to rising air. Air sinking in high pressure areas causes evaporation; these regions are usually dry. These features have a great deal of influence on climate.
0.604681
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_0259
text
null
Clouds are needed for precipitation. This may fall as liquid water, or it may fall as frozen water, such as snow.
0.598424
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_0250
text
null
The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors.
0.597652
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_0286
text
null
Predicting the weather requires a lot of weather data. Technology is used to gather the data and computers are used to analyze the data. Using this information gives meteorologists the best chance of predicting the weather.
0.594047
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_0272
text
null
Thunderstorms are are known for their heavy rains and lightning. In strong thunderstorms, hail and high winds are also likely. Thunderstorms are very common. Worldwide, there are about 14 million of them each year! In the U.S., they are most common and strongest in the Midwest.
0.589914
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_1564
text
null
Some precipitation forms in place. Dew forms when moist air cools below its dew point on a cold surface. Frost is dew that forms when the air temperature is below freezing.
0.585658
DQ_000489
Which label refers to rains?
abc_question_images/rain_shadow_17524.png
a. V, b. T, c. U, d. E
d
T_3433
text
null
Most precipitation that occurs over land, however, is not absorbed by the soil and is called runoff. This runoff collects in streams and rivers and eventually flows back into the ocean.
0.581262
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_000489
image
abc_question_images/rain_shadow_17524.png
rain_shadow_17524.png
1
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DD_0023
image
teaching_images/rain_shadow_7524.png
This diagram shows the effect of rains on hills. The moist air from the green side of the hills rising up in the air and condenses as water vapor. This is called precipitation. The other side of the hill form the rain shadow region. Rain shadow region is a region having little rainfall because it is sheltered from prevailing rain-bearing winds by a range of hills. The dry air descends from this region.
0.880729
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_000491
image
abc_question_images/rain_shadow_17525.png
rain_shadow_17525.png
0.806069
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_000498
image
abc_question_images/rain_shadow_17535.png
rain_shadow_17535.png
0.795215
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_000507
image
question_images/rain_shadow_7525.png
rain_shadow_7525.png
0.784156
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_002101
image
abc_question_images/volcanoes_17667.png
volcanoes_17667.png
0.7751
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_000506
image
abc_question_images/rain_shadow_17537.png
rain_shadow_17537.png
0.772591
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_009007
image
question_images/cycle_water_4927.png
cycle_water_4927.png
0.760888
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_001249
image
question_images/cycle_rock_6724.png
cycle_rock_6724.png
0.754421
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
DQ_000527
image
question_images/rain_shadow_7535.png
rain_shadow_7535.png
0.745332
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_0259
text
null
Clouds are needed for precipitation. This may fall as liquid water, or it may fall as frozen water, such as snow.
0.662487
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_0250
text
null
The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors.
0.648942
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_0256
text
null
Clouds form when water vapor condenses around particles in the air. The particles are specks of matter, such as dust or smoke. Billions of these tiny water droplets come together to make up a cloud. If the air is very cold, ice crystals form instead of liquid water.
0.637974
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_3950
text
null
What causes clouds to form? And in general, how does matter change from one state to another? As you may have guessed, changes in energy are involved.
0.637074
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_0024
text
null
Flowing water slows down when it reaches flatter land or flows into a body of still water. What do you think happens then? The water starts dropping the particles it was carrying. As the water slows, it drops the largest particles first. The smallest particles settle out last.
0.63529
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_0147
text
null
Freshwater below Earths surface is called groundwater. The water infiltrates, or seeps down into, the ground from the surface. How does this happen? And where does the water go?
0.632317
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_0258
text
null
Clouds can affect the temperature on Earths surface. During the day, thick clouds block some of the Suns rays. This keeps the surface from heating up as much as it would on a clear day. At night, thick clouds prevent heat from radiating out into space. This keeps the surface warmer than it would be on a clear night.
0.622478
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_0255
text
null
Clouds form when air in the atmosphere reaches the dew point. Clouds may form anywhere in the troposphere. Clouds that form on the ground are called fog.
0.622383
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_1563
text
null
Precipitation (Figure 1.1) is an extremely important part of weather. Water vapor condenses and usually falls to create precipitation.
0.615153
DQ_000490
How does water from the clouds reach the land again?
abc_question_images/rain_shadow_17524.png
a. ice from the mountain peak, b. as rain, c. wind, d. grass
b
T_3433
text
null
Most precipitation that occurs over land, however, is not absorbed by the soil and is called runoff. This runoff collects in streams and rivers and eventually flows back into the ocean.
0.612787
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_000491
image
abc_question_images/rain_shadow_17525.png
rain_shadow_17525.png
1
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_000507
image
question_images/rain_shadow_7525.png
rain_shadow_7525.png
0.911266
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DD_0176
image
teaching_images/cycle_water_1503.png
This diagram shows the processes of the water cycle. It takes place on, above, and below Earths surface. During the water cycle, water occurs in three different states: gas (water vapor), liquid (water), and solid (ice). Many processes are involved as water changes state to move through the cycle. One of the processes is called Evaporation. It takes place when water on Earths surface changes to water vapor. The sun heats the water and turns it into water vapor which escapes up into the atmosphere. Most evaporation occurs from the surface of the ocean. Sublimation is another process takes place when snow and ice on Earths surface change directly to water vapor without first melting to form liquid water. This also happens because of heat from the sun. Transpiration is yet another process that takes place when plants release water vapor through pores in their leaves called stomata. As the water vapor rises up into the earth's atmosphere, it cools and condenses. Condensation is the process of converting water vapor into water droplets.If the droplets get big enough, they fall as precipitation. Precipitation is any form of water that falls from the atmosphere. Precipitation that falls on land may flow over the surface of the ground. This water is called runoff.The runoff may reach a water body such as an ocean or get soaked into the ground.
0.877968
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_009042
image
question_images/cycle_water_6001.png
cycle_water_6001.png
0.869468
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_008941
image
abc_question_images/cycle_water_14929.png
cycle_water_14929.png
0.865834
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_008939
image
abc_question_images/cycle_water_14915.png
cycle_water_14915.png
0.86263
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_008954
image
abc_question_images/cycle_water_16000.png
cycle_water_16000.png
0.857921
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_008932
image
abc_question_images/cycle_water_11481.png
cycle_water_11481.png
0.847385
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_008952
image
abc_question_images/cycle_water_14978.png
cycle_water_14978.png
0.843823
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
DQ_009003
image
question_images/cycle_water_4915.png
cycle_water_4915.png
0.842891
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_1563
text
null
Precipitation (Figure 1.1) is an extremely important part of weather. Water vapor condenses and usually falls to create precipitation.
0.622236
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_0250
text
null
The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors.
0.612072
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_0251
text
null
Humidity is the amount of water vapor in the air. High humidity increases the chances of clouds and precipitation.
0.606508
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_1564
text
null
Some precipitation forms in place. Dew forms when moist air cools below its dew point on a cold surface. Frost is dew that forms when the air temperature is below freezing.
0.593932
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_0262
text
null
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.
0.573321
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_0248
text
null
What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place.
0.566745
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_1797
text
null
The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction.
0.566228
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_0252
text
null
Humidity usually refers to relative humidity. This is the percent of water vapor in the air relative to the total amount the air can hold. How much water vapor can the air hold? That depends on temperature. Warm air can hold more water vapor than cool air. You can see this in Figure 16.1.
0.560221
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_4893
text
null
A given kind of matter has the same chemical makeup and the same chemical properties regardless of its state. Thats because state of matter is a physical property. As a result, when matter changes state, it doesnt become a different kind of substance. For example, water is still water whether it exists as ice, liquid water, or water vapor.
0.559833
DQ_000491
What letter represents the condensation process?
abc_question_images/rain_shadow_17525.png
a. W, b. J, c. H, d. T
d
T_1674
text
null
Remember that H2 O is a polar molecule, so it can dissolve many substances (Figure 1.1). Salts, sugars, acids, bases, and organic molecules can all dissolve in water.
0.559478
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_000491
image
abc_question_images/rain_shadow_17525.png
rain_shadow_17525.png
1
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_000507
image
question_images/rain_shadow_7525.png
rain_shadow_7525.png
0.911266
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DD_0176
image
teaching_images/cycle_water_1503.png
This diagram shows the processes of the water cycle. It takes place on, above, and below Earths surface. During the water cycle, water occurs in three different states: gas (water vapor), liquid (water), and solid (ice). Many processes are involved as water changes state to move through the cycle. One of the processes is called Evaporation. It takes place when water on Earths surface changes to water vapor. The sun heats the water and turns it into water vapor which escapes up into the atmosphere. Most evaporation occurs from the surface of the ocean. Sublimation is another process takes place when snow and ice on Earths surface change directly to water vapor without first melting to form liquid water. This also happens because of heat from the sun. Transpiration is yet another process that takes place when plants release water vapor through pores in their leaves called stomata. As the water vapor rises up into the earth's atmosphere, it cools and condenses. Condensation is the process of converting water vapor into water droplets.If the droplets get big enough, they fall as precipitation. Precipitation is any form of water that falls from the atmosphere. Precipitation that falls on land may flow over the surface of the ground. This water is called runoff.The runoff may reach a water body such as an ocean or get soaked into the ground.
0.877968
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_009042
image
question_images/cycle_water_6001.png
cycle_water_6001.png
0.869468
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_008941
image
abc_question_images/cycle_water_14929.png
cycle_water_14929.png
0.865834
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_008939
image
abc_question_images/cycle_water_14915.png
cycle_water_14915.png
0.86263
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_008954
image
abc_question_images/cycle_water_16000.png
cycle_water_16000.png
0.857921
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_008932
image
abc_question_images/cycle_water_11481.png
cycle_water_11481.png
0.847385
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_008952
image
abc_question_images/cycle_water_14978.png
cycle_water_14978.png
0.843823
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
DQ_009003
image
question_images/cycle_water_4915.png
cycle_water_4915.png
0.842891
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_0251
text
null
Humidity is the amount of water vapor in the air. High humidity increases the chances of clouds and precipitation.
0.6453
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_0202
text
null
Air is easy to forget about. We usually cant see it, taste it, or smell it. We can only feel it when it moves. But air is actually made of molecules of many different gases. It also contains tiny particles of solid matter.
0.628949
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_1797
text
null
The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction.
0.615676
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_0457
text
null
There are two basic types of pollutants in air. They are known as primary pollutants and secondary pollutants.
0.612798
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_0262
text
null
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.
0.592367
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_0914
text
null
An air mass is a batch of air that has nearly the same temperature and humidity (Figure 1.1). An air mass acquires these characteristics above an area of land or water known as its source region. When the air mass sits over a region for several days or longer, it picks up the distinct temperature and humidity characteristics of that region.
0.590655
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_0252
text
null
Humidity usually refers to relative humidity. This is the percent of water vapor in the air relative to the total amount the air can hold. How much water vapor can the air hold? That depends on temperature. Warm air can hold more water vapor than cool air. You can see this in Figure 16.1.
0.587564
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_2425
text
null
You may be able to avoid some of the health effects of outdoor air pollution by staying indoors on high-pollution days. However, some indoor air is just as polluted as outdoor air.
0.58727
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_0205
text
null
We usually cant sense the air around us unless it is moving. But air has the same basic properties as other matter. For example, air has mass, volume and, of course, density.
0.581716
DQ_000492
Where can you find moist air?
abc_question_images/rain_shadow_17525.png
a. W, b. A, c. H, d. J
d
T_0250
text
null
The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors.
0.576208
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_000491
image
abc_question_images/rain_shadow_17525.png
rain_shadow_17525.png
1
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_000507
image
question_images/rain_shadow_7525.png
rain_shadow_7525.png
0.911266
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DD_0176
image
teaching_images/cycle_water_1503.png
This diagram shows the processes of the water cycle. It takes place on, above, and below Earths surface. During the water cycle, water occurs in three different states: gas (water vapor), liquid (water), and solid (ice). Many processes are involved as water changes state to move through the cycle. One of the processes is called Evaporation. It takes place when water on Earths surface changes to water vapor. The sun heats the water and turns it into water vapor which escapes up into the atmosphere. Most evaporation occurs from the surface of the ocean. Sublimation is another process takes place when snow and ice on Earths surface change directly to water vapor without first melting to form liquid water. This also happens because of heat from the sun. Transpiration is yet another process that takes place when plants release water vapor through pores in their leaves called stomata. As the water vapor rises up into the earth's atmosphere, it cools and condenses. Condensation is the process of converting water vapor into water droplets.If the droplets get big enough, they fall as precipitation. Precipitation is any form of water that falls from the atmosphere. Precipitation that falls on land may flow over the surface of the ground. This water is called runoff.The runoff may reach a water body such as an ocean or get soaked into the ground.
0.877968
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_009042
image
question_images/cycle_water_6001.png
cycle_water_6001.png
0.869468
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_008941
image
abc_question_images/cycle_water_14929.png
cycle_water_14929.png
0.865834
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_008939
image
abc_question_images/cycle_water_14915.png
cycle_water_14915.png
0.86263
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_008954
image
abc_question_images/cycle_water_16000.png
cycle_water_16000.png
0.857921
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_008932
image
abc_question_images/cycle_water_11481.png
cycle_water_11481.png
0.847385
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_008952
image
abc_question_images/cycle_water_14978.png
cycle_water_14978.png
0.843823
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
DQ_009003
image
question_images/cycle_water_4915.png
cycle_water_4915.png
0.842891
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_0251
text
null
Humidity is the amount of water vapor in the air. High humidity increases the chances of clouds and precipitation.
0.626539
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_1563
text
null
Precipitation (Figure 1.1) is an extremely important part of weather. Water vapor condenses and usually falls to create precipitation.
0.625547
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_1564
text
null
Some precipitation forms in place. Dew forms when moist air cools below its dew point on a cold surface. Frost is dew that forms when the air temperature is below freezing.
0.614714
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_0250
text
null
The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors.
0.599762
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_0259
text
null
Clouds are needed for precipitation. This may fall as liquid water, or it may fall as frozen water, such as snow.
0.590015
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_0256
text
null
Clouds form when water vapor condenses around particles in the air. The particles are specks of matter, such as dust or smoke. Billions of these tiny water droplets come together to make up a cloud. If the air is very cold, ice crystals form instead of liquid water.
0.580929
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_0199
text
null
Without the atmosphere, there would be no clouds or rain. In fact, there would be no weather at all. Most weather occurs because the atmosphere heats up more in some places than others.
0.571273
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_0248
text
null
What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place.
0.567813
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_1007
text
null
Water vapor is not visible unless it condenses to become a cloud. Water vapor condenses around a nucleus, such as dust, smoke, or a salt crystal. This forms a tiny liquid droplet. Billions of these water droplets together make a cloud.
0.567204
DQ_000493
Where is condensation?
abc_question_images/rain_shadow_17525.png
a. T, b. H, c. A, d. W
a
T_1771
text
null
Thunderstorms are extremely common. Worldwide there are 14 million per year thats 40,000 per day! Most drop a lot of rain on a small area quickly, but some are severe and highly damaging.
0.56371
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