water and nitrogen cycles

Front

What is decomposition?

Back

Decomposition is the process by which fungi and bacteria break down dead material, returning nutrients to the soil.

Front

What do fungi and bacteria release into the soil during decomposition?

Back

Nitrogen.

Front

Why do plants and animals need nitrogen?

Back

Plants and animals need nitrogen to make DNA and proteins.

Front

What is the role of the sun in the water cycle?

Back

The sun causes surface water to evaporate.

Front

What happens after water evaporates in the water cycle?

Back

Water vapor condenses and forms clouds.

Front

What is nitrogen fixation?

Back

Nitrogen fixation is the process by which bacteria convert nitrogen gas (N2) from the atmosphere into forms that plants can use.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.

Front

What is evaporation?

Back

Evaporation is the process by which liquid water is transformed into water vapor.

Front

What is condensation?

Back

Condensation is the process by which water vapor cools and changes back into liquid water, forming clouds.

Front

What is precipitation?

Back

Precipitation is any form of water that falls from clouds to the Earth's surface, including rain, snow, sleet, and hail.