Dec. 9 - What Are Earth's 4 Systems? Test

Front

What is the atmosphere?

Back

A mixture of gases that surrounds the Earth.

Front

What are sedimentary rocks?

Back

Rocks formed by sediments pressed together over hundreds of years.

Front

What does the geosphere include?

Back

Earth's surface and its interior.

Front

Which of the following is considered part of the biosphere?

Back

Oak tree.

Front

What percentage of Earth's water is salt water?

Back

At least 97%.

Front

What is the hydrosphere?

Back

All of the water found on Earth, including oceans, rivers, lakes, and glaciers.

Front

What is the biosphere?

Back

The part of Earth where life exists, including land, water, and the atmosphere.

Front

What are igneous rocks?

Back

Rocks formed from cooled and solidified magma or lava.

Front

What is the difference between fresh water and salt water?

Back

Fresh water has low concentrations of salt, while salt water has high concentrations of salt.

Front

What is the lithosphere?

Back

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