Earth's Major Systems

Front

What happens during condensation?

Back

Liquid particles gather together to form a cloud.

Front

Energy from the ________ speeds up the water cycle.

Back

Sun.

Front

Of all of the water on Earth, what percentage is salt water?

Back

97% is salt water.

Front

Approximately what percent of the Earth is made up of water?

Back

75%.

Front

What does biosphere mean?

Back

The part of Earth in which living things exist and interact.

Front

What is the hydrosphere?

Back

The combined mass of water found on, under, and above the surface of a planet.

Front

What is the atmosphere?

Back

The layer of gases surrounding Earth.

Front

What is the lithosphere?

Back

The rigid outer part of the Earth, consisting of the crust and upper mantle.

Front

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

Back

The Sun provides energy that drives the water cycle.

Front

What is evaporation?

Back

The process by which water changes from a liquid to a gas.