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40 Cards in this Set
- Front
- Back
How far does the atmosphere extend? |
1,000 miles |
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At what temperature does water change to ice? |
32 degrees |
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What causes molecules to move more rapidly? |
Heat |
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What supplies the energy in steam? |
Heat |
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What gas makes up most of the air? |
Nitrogen |
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What does the weight of the atmosphere create? |
Air pressure |
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___________________ is a cloud on the ground. |
Fog |
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____________ is a rain or storm cloud. |
Nimbus |
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____________ is frozen raindrops that have been blown back into the cloud to form more frozen layers |
Hail |
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At what temperature does water boil? |
212 degrees Fahrenheit |
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_____________ is the amount of water vapor in the air. |
Humidity |
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_____________ a large body of air that has the same temperature and humidity. |
Air mass |
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________ the temperature at which water condenses. |
Dew point |
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____________ is any form of water that falls from clouds to earth. |
Percipatation |
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How much of the earth is covered by water? |
3/4 |
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__________ is anything that takes up space and has weight. |
Matter |
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The smallest piece of a substance that still has qualities of that substance is ___________. |
Molecules |
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Why do objects float? |
Surface |
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______________ are molecules that are packed close together. |
Solids |
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_______ are molecules that are the fastest moving molecules. |
Gases |
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_____________ is rain or melted snow that falls through a layer of freezing rain. |
Sleet |
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__________ is water vapor that condenses in a cloud and falls. |
Rain |
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The process of changing water vapor back into a liquid. |
Condensation |
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The process by which liquid water becomes water vapor. |
Evaporation |
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The force which draws things down towards the center of the earth |
Gravity |
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Push or pull of an object |
Force |
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Ability to work |
Energy |
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Water is made of ________? |
Hydrogen and oxygen |
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The layer of air surrounding the earth |
Atmosphere |
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A particle which makes up molecules the smallest part of matter |
Atom |
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A very high thin Featherstone cloud; means curly |
Cirrus |
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A large puffy cloud with a flat bottom ; means "piled up in heaps" |
Cumulus |
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The temperature at which water vapor condenses |
Dew point |
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Anything that takes up space and has weight |
Matter |
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A scientist who studies the weather |
Meteorologist |
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The smallest part of a substance that still has all the qualities of that substance |
Molecule |
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A dark rain cloud |
Nimbus |
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Any form of water which falls from the clouds to the earth |
Precipitation |
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A low thick layer of clouds |
Stratus |
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Explain the water cycle. |
As water moves from the Earth to the air and back again it changes from a liquid to a solid or a gas. This process is called the water cycle Evaporation, condensation, precipitation |