Exploring Earth's Layers

A Grade 3 science worksheet focusing on the structure of the Earth, including its core, mantle, and crust.

Grade 3 Science Earth & Space ScienceStructure of the Earth

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Includes

TextFill in the BlanksMultiple ChoiceTrue / FalseShort Answer

Standards

5-ESS2-1

Topics

Earth ScienceEarth's StructureLayers of EarthGrade 3

7 sections · Free to use · Printable

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Date:

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Read each question carefully and answer to the best of your ability.

Look at the diagram below showing the different layers of the Earth.

1. The Earth has three main layers: the crust, the mantle, and the .

2. The outermost layer of the Earth, where we live, is called the .

3. The layer of the Earth that is mostly solid rock and is between the crust and the core is the .

4. Which layer of the Earth is the hottest?

Crust

Mantle

Core

All are the same temperature

5. Which layer is made up of mostly liquid and solid iron and nickel?

Crust

Mantle

Core

Atmosphere

6. The deepest layer of the Earth is called the crust.

True

False

7. Earth's mantle is completely liquid.

True

False

8. Describe one way the Earth's crust is different from its core.

9. Why is it important to learn about the different layers of the Earth?