1. 3rd Grade Rocks & Minerals
Mrs. Thornburg’s Vocabulary Pictures

2. Vocabulary Words in this Unit
Mineral Rock Cycle
Rock Igneous Rock
Crust Sedimentary Rock
Mantle Metamorphic Rock
Core

3. What do we call the thin, solid outer layer of the Earth?

4. Crust

5. What do we call the thicker, hotter, softer rock layer of the Earth located below the crust?

6. Mantle

7. What do we call the part liquid, part solid, hot iron center of the Earth?

8. Core

9. Label the parts of the earth.
1: _____________
2: _____________
3: _____________ 2. 1. 3.

10. Label the parts of the earth.
1: Mantle
2: Crust
3: Core 2. 1. 3.

11. What do we call rock that was once melted, but has cooled and hardened?

12. Igneous Rock

13. What do we call a rock that forms from material that has settled into layers that are squeezed together over time?

14. Sedimentary Rock

15. What do we call an igneous, sedimentary, or metamorphic rock that has been changed by heat and pressure?

16. Metamorphic Rock

17. What is the process whereby each type of rock can be changed into another called?

18. Rock Cycle

19. What is a solid object that was formed in nature that was never alive?

20. Mineral

21. What is a solid substance made of minerals called?

22. Rock