Grade 3 Science Unit 4 Review: Natural Resources

Front

What is a natural resource?

Back

A natural resource is something found in nature that people can use, such as water, trees, and minerals.

Front

Why is it important to conserve water?

Back

Conserving water helps to protect our environment and ensures that there is enough water for everyone.

Front

What happens to leaves when they fall from a tree?

Back

The leaves decompose and become part of the soil, providing nutrients for other plants.

Front

What can cause a tree to uproot?

Back

High winds, such as those from a hurricane, can cause trees to uproot.

Front

What is decomposition?

Back

Decomposition is the process by which dead plants and animals break down and become part of the soil.

Front

How do plants contribute to soil health?

Back

Plants contribute to soil health by adding organic matter when they decompose.

Front

What is the role of roots in plants?

Back

Roots anchor the plant in the ground and absorb water and nutrients from the soil.

Front

What is a volcano?

Back

A volcano is an opening in the Earth's surface that can erupt with lava, ash, and gases.

Front

How can a volcano change the Earth's surface?

Back

A volcano can form new land, cause landslides, and put ash into the air.

Front

What is weathering?

Back

Weathering is the process that breaks down rocks and minerals into smaller pieces.