Earth Science - 4th grade

Front

What are the 3 major types of rocks?

Back

Igneous, Metamorphic, Sedimentary

Front

What is weathering?

Back

Weathering is the process that breaks rocks into smaller pieces.

Front

What is the area where two tectonic plates meet called?

Back

plate boundary

Front

What is lava that is still deep inside the earth called?

Back

magma

Front

How are sand dunes formed?

Back

Sand dunes are formed by wind.

Front

What is the process of rocks breaking down due to weather?

Back

Weathering.

Front

What type of rock is formed from cooled lava?

Back

Igneous rock.

Front

What type of rock is formed from existing rocks changing due to heat and pressure?

Back

Metamorphic rock.

Front

What type of rock is formed from sediments being compacted and cemented together?

Back

Sedimentary rock.

Front

What is the Earth's outer layer called?

Back

The crust.