1. Chapter 3 - Rocks
Test Wednesday

2. Which of following is not one of the three classes of rocks?
Igneous
Metamorphic
Magma

3. What two processes change rock into sediments?
Cooling & Hardening
Heat & Pressure
Weathering & Erosion

4. What two things can change sedimentary and igneous rocks into metamorphic rocks?
Cooling & Hardening
Heat & Pressure
Weathering & Erosion

5. What is the only kind of rock that can form directly from magma?
Igneous
Metamorphic
Sedimentary

6. All rocks are made up of
Lava
Sediments
Magma
Minerals

7. The grouping of things that are alike is the science of
Petrology
Classification
Geology
Biology

8. Rocks formed when melted minerals cool and harden are classified as
Molten rocks
Sedimentary rocks
Igneous Rocks
Lava Rocks

9. Magma that reaches Earth’s surface is called
Lava
Molten
Igneous
Conglomerate

10. Molten rock is made up of
Melted minerals
Lava
Obsidian
Iron and Nickel

11. The mineral crystals of a rock formed from magma usually are
Small
Large
Fine
Cubic

12. Rocks formed from the remains of living things are classified as
Metamorphic
Igneous
Sedimentary
Lava

13. Limestone and halite are examples of
Clastics
Nonclastics
Foliated
Nonfoliated

14. A rock formed when another rock is changed by heat and pressure is classified as
Metamorphic
Igneous
Sediment
Clastic

15. The series of natural processes by which rocks are slowly changed from one type to another is
Sedimentation
The Rock Cycle
Classification
Petrology

16. A metamorphic rock that has mineral crystals arranged in bands is
Unfoliated
Foliated
Clastic
Nonclastic

17. The texture of an igneous rock that does NOT have mineral crystals is
Fine
Clastic
Glassy
Foliated

18. Quartzite is formed from
Halite
Sandstone
Shale
Pyrite

19. Coal is a sedimentary rock formed from
Lava
Plants
Chemicals
Magma

20. Two minerals commonly found in igneous rocks are mica and
Halite
Feldspar
Pyrite
Silver