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Chapter 2: Weather
Understanding Weather
| Question | Answer |
|---|---|
| The continuous movement of water from sources on Earth's surface such as lakes, oceans, and plants into the air, onto and over land, into the ground, and back to the surface. | water cycle |
| The condition of the atmosphere at a certain time and place. | weather |
| The amount of water vapor in the air. | humidity |
| The process by which a gas, such as water vapor, becomes a liquid. | condensation |
| The temperature at which a gas condenses into a liquid. | dew point |
| A collection of millions of tiny water droplets or ice crystals. | cloud |
| Puffy, white clouds. | cumulous |
| Clouds that are associated with thunderstorms. | cumulonimbus |
| Clouds that form in layers. | stratus |
| clouds that produce light to heavy, continuous rain. | nimbostratus |
| fog is an example of this type of cloud. | stratus |
| Thin, feathery, white clouds found at high altitudes. | cirrus |
| This prefix is used to describe clouds at high altitudes. | cirro |
| This prefix is used to describe clouds at middle altitudes. | alto |
| Water in solid or liquid form that falls from the air to earth. | precipitation |
| Most common form of precipitation. | rain |
| Forms when rain falls through a layer of freezing air. | sleet |
| Forms when temperatures are so cold that water vapor changes directly to a solid. | snow |
| Lumps of ice that fall from clouds. | hail |
| Large body of air where temperature and moisture content are similar throughout. | air mass |
| Area in which two types of air masses meet. | front |