Term
| How much of Earth's surface is covered by water? |
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Definition
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Term
| Where does the salt in the oceans and seas come from? |
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Definition
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Term
| How does the salt get into the water if it comes from rocks and soil on land? |
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Definition
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Term
| Why are some oceans and seas saltier than others? |
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Definition
| As the water evaporates, salt is left behind. Warmer waters evaporate faster, so they tend to be saltier. |
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Term
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Definition
| when liquid water changes to water vapor (water in the air) |
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Term
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Definition
| when water vapor cools and becomes liquid water |
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Term
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Definition
any form of water that falls to earth
(hail, sleet, snow, rain) |
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Term
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Definition
| blanket of air around the earth |
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Term
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Definition
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Term
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Definition
blows from land to sea
caused by air cooling at night |
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Term
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Definition
blows from sea to land
caused by air heating during the day |
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Definition
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Term
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Definition
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Term
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Definition
| for the direction from which it comes |
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Term
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Definition
| huge body of air that all has nearly the same temperature and humidity |
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Term
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Definition
| the amount of water vapor in the air |
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Term
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Definition
| a measure of temperature and precipitation at a given point in time |
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Term
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Definition
| an area where two air masses meet |
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Term
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Definition
| forms when a cold air mass bumps into a slow-moving warm air mass |
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Term
| How do cold fronts affect weather? |
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Definition
| they bring brief, heavy rain and strong wind; warm air is replaced by cooler air with clear skies |
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Term
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Definition
| forms when a warm air mass bumps into a slow-moving cold air mass |
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Term
| How do warm fronts affect weather? |
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Definition
| they bring long-lasting, lighter rain over a large area; cool air is replaced by warmer air with clear skies |
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Term
| What causes clouds to form? |
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Definition
| the sun warms water and it evaporates; as it rises, it cools and the water vapor condenses; droplets gather and form clouds |
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Term
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Definition
| high, white, fluffy clouds that looks like cotton |
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Term
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Definition
| low, long, thin clouds that look like fake spider webs stretched out |
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Term
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Definition
| high, feathery clouds that look like a horse's tail |
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Term
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Definition
| storm clouds that are dark and fluffy |
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Term
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Definition
| long, thin light gray clouds that bring long-lasting rain or snow |
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Term
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Definition
| scientist who studies weather |
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Term
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Definition
| a tool that measures temperature |
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Term
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Definition
| a tool that measures air pressure (in millibars--mb) |
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Term
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Definition
| a tool that measures wind speed |
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Term
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Definition
| a tool that shows the direction from which the wind is blowing |
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Term
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Definition
| a tool that measures the amount of rain- or snowfall |
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Term
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Definition
| a tool that measures humidity |
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Term
| How is a cold front shown on a weather map? |
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Definition
| a series of blue triangles are drawn along one side of a solid blue line |
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Term
| How is a warm front shown on a weather map? |
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Definition
| a series of red semi-circles are drawn along one side of a solid red line |
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Term
| How is a stationary front shown on a weather map? |
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Definition
| a series of blue triangles and red semi-circles are drawn along alternating sides of a solid blue line |
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