Unit 3 Patterns of Change Vocabulary

Front

Air Pressure

Back

The force exerted by the weight of air in the atmosphere.

Front

Accumulation

Back

The process in the water cycle where water gathers in large bodies such as rivers, lakes, or oceans.

Front

Climate

Back

The long-term average of weather conditions in a region, including temperature, precipitation, and wind patterns.

Front

Condensation

Back

The process in the water cycle where water vapor cools and changes back into a liquid, forming clouds.

Front

Evaporation

Back

The process in the water cycle where water changes from a liquid to a gas (water vapor) due to heat.

Front

Fog

Back

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, reducing visibility.

Front

Gas

Back

A state of matter in which the particles are spread far apart and move freely, having no fixed shape or volume.

Front

Haze

Back

Fine dust, smoke, or water particles in the air, reducing visibility but not as thick as fog.

Front

Hurricane

Back

A powerful, rotating storm with strong winds and heavy rain, typically forming over warm ocean waters.

Front

Liquid

Back

A state of matter in which particles are close together but can move freely, allowing the substance to flow and take the shape of its container.