5th-9th Grade Rock Quiz
1. What are the three major classifications of rocks?
Answer
Igneous
Sedimentary
Metamorphic
2. What do you call hot , liquid rock that is still inside the earth?
Answer
Lava
Magma
3. Name the mineral that is used to make the "lead" in pencils.
Answer
Lead
Graphite
4. What do you call a line drawn with a rock on a special porcelain plate?
Answer
a Line
a Streak
5. What is hot, liquid rock called after it has come out of a volcano?
Answer
Magma
Lava
6. What kind of rocks have been changed by heat and pressure inside the earth?
Answer
Igneous
Metamorphic
7. Name a type of rock that is burned as a fuel.
Answer
Slate
Coal
8. Separating rocks and minerals into different groups according to color, texture, and luster is called_________________.
Answer
Seperation
classifying.
9. What is the hardest natural substance on earth?
Answer
Galena
Diamond
10. What kind of rock is formed when magma or lava cools and hardens?
Answer
Coal
Igneous
11. What do you call the way a rock or mineral reflects light?
Answer
Reflection
luster
12. What do you call plants and animals that are preserved in rocks?
Answer
Slate
Fossils
13. Name two kinds of rocks that can split apart into very thin, flexible layers.
Answer
Talc
Biotite
Mica
14. What kind of rock is formed in layers, usually at the bottom of an ocean or lake?
Answer
Igneous
Sedimentary
15. Name a type of igneous rock that floats.
Answer
Hematite
Pumice
16. Solid substances that are found in the earth's crust are called _________.
Answer
Magma
Minerals
17. What force uses wind and water to wear down rocks?
Answer
Fossils
Erosion
18. What do you call the way a rock or mineral feels?
Answer
Feeling
Texture
19. Rocks are made up of one or more ____________.
Answer
Layers
minerals
20. The changing of rocks from one kind to another over millions of years is called the ___________.
Answer
Erosion Cycle
rock cycle
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True / False
1. All rocks leave a streak on a streak plate.
True or False
True
False
2. Classifying things into groups can help us to identify them.
True or False
False
True
3. Hydrochloric acid will dissolve all kinds of rocks.
True or False
True
False
4. Crystals are always the same size and shape.
True or False
True
False
5. Rocks and minerals are valuable natural resources.
True or False
False
True
6. Much of the surface of the earth was formed by volcanic activity.
True or False
False
True
7. Quartz is a very soft mineral.
True or False
True
False
8. Crystals that cool very slowly form large crystals.
True or False
False
True
9. The Hawaiian Islands were formed by volcanoes.
True or False
False
True
10. The way a rock or mineral reflects light is called its texture.
True or False
True
False
Ask your Teacher To see if Your right!
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