1. 3rd Grade Rocks and Minerals Vocabulary
Ms. Thornburg’s Flash Cards!

2. What do we call the process whereby each type of rock can be changed into another?
Rock cycle
Your Name

3. What do we call a solid object that was formed in nature and was never alive?
Mineral
Your Name

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

5. What do we call a solid substance made of minerals?
Rock
Your Name

6. What do we call the part liquid, part solid, hot iron center of the Earth?
Core
Your Name

7. What do we call the thin, solid outer layer of the Earth?
Crust
Your Name

8. What do we call a rock that was once melted, but has cooled and hardened?
Igneous rock
Your Name

9. What do we call the thicker, hotter, softer layer of the Earth located below the crust?
Mantle
Your Name

10. What do we call igneous, sedimentary, or metamorphic rock that has been changed by heat and pressure?
Metamorphic rock
Your Name