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Rocks and Minerals Quiz

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Rocks and Minerals Quiz

Rock and mineral samples

🪨 Part 1: Multiple Choice

1. Which type of rock is formed from cooled magma or lava?

Sedimentary

Igneous

Metamorphic

Fossilized

2. What is the hardest mineral on the Mohs scale?

Quartz

Diamond

Talc

Feldspar

3. Limestone is an example of which type of rock?

Igneous

Metamorphic

Sedimentary

Volcanic

4. Which process creates metamorphic rocks?

Cooling and hardening

Weathering and erosion

Heat and pressure

Melting and freezing

5. What property describes how a mineral breaks along smooth, flat surfaces?

Hardness

Cleavage

Luster

Streak

✓ Part 2: True or False

6. All minerals have the same crystal structure.

True

False

7. Granite is an igneous rock that forms underground.

True

False

8. The streak test shows the color of a mineral's powder.

True

False

9. Sedimentary rocks can only form in water.

True

False

✏️ Part 3: Short Answer

10. Name the three main types of rocks and give one example of each.
11. Explain what the Mohs hardness scale measures and what the numbers 1-10 represent.
12. Describe two tests you could perform to help identify an unknown mineral.

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