Unit 8 Vocabulary

Air that surrounds the Earth; made of a mixture of gases

• Evaporation

• Condensation

• Atmosphere

• Weather

Change in state of matter from a gas to a liquid

• Precipitation

• Condensation

• Evaporation

• Atmosphere

Change in state of matter from a liquid to a vapor or gas

• Condensation

• Precipitation

• Atmosphere

• Evaporation

Rain, snow, sleet, or hail that falls from clouds in the sky

• Atmosphere

• Precipitation

• Evaporation

• Condensation

A tool that measures the amount of rain at a location

• Wind vane

• Aquifer

• Rain gauge

• Weather

A tool that shows wind direction

• Wind vane

• Weather

• Aquifer

• Rain gauge

The boundary where a cold air mass replaces a warm air mass

• Warm Front

• Atmosphere

• Aquifer

• Cold Front

Forms at the surface of the Earth when a warm, moist air mass overtakes a cool, dense, and dryer air mass

• Warm Front

• Cold Front

• Atmosphere

• Water Cycle

The current outdoor conditions

• Cold Front

• Atmosphere

• Aquifer

• Weather

The constant movement of water through the land, air, oceans, and living things

• Rain Gauge

• Water Cycle

• Precipitation

• Weather