4th Grade Earth Science Review

Front

What is erosion?

Back

Erosion is when rocks and soil are moved to new places.

Front

How many times does the Earth revolve around the sun in a year?

Back

Once.

Front

What are coal, oil, and natural gas examples of?

Back

Fossil fuels.

Front

What is a solid mixture of minerals that was formed in the Earth's crust?

Back

Rock.

Front

What natural force is responsible for creating changes to the Earth's surface in canyons?

Back

Water moving.

Front

What is the process called when rocks are broken into smaller pieces?

Back

Weathering.

Front

What do we call the layer of gases surrounding the Earth?

Back

Atmosphere.

Front

What is the term for the movement of tectonic plates?

Back

Plate tectonics.

Front

What is the main source of energy for the Earth?

Back

The Sun.

Front

What do we call the process of water changing from liquid to vapor?

Back

Evaporation.