Grade 4 Changing Earth Review

Front

What are the 3 major types of rocks?

Back

Igneous, Metamorphic, Sedimentary

Front

Why might fossils be more likely found in a lake than in a river?

Back

Rivers flow fast and can wash away remains.

Front

What causes weathering?

Back

Wind, ice, and water all contribute to weathering.

Front

What types of rocks are usually found deep within a mountain?

Back

Metamorphic rocks are usually found deep within a mountain.

Front

How can you prevent soil erosion?

Back

Planting more trees can help prevent soil erosion.

Front

What is an igneous rock?

Back

Igneous rocks are formed from cooled and solidified magma or lava.

Front

What is sedimentary rock?

Back

Sedimentary rocks are formed from particles of sand, shells, and other fragments that are pressed together.

Front

What is metamorphic rock?

Back

Metamorphic rocks are formed from existing rocks that are changed by heat and pressure.

Front

What is the process of weathering?

Back

Weathering is the breaking down of rocks into smaller pieces by natural forces.

Front

What is erosion?

Back

Erosion is the movement of weathered rock and soil from one location to another.