Exploring Types of Rocks
This worksheet covers the three main types of rocks: igneous, sedimentary, and metamorphic, focusing on their formation, characteristics, and examples suitable for Grade 8 science.
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Exploring Types of Rocks
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of igneous, sedimentary, and metamorphic rocks.
1. Which type of rock is formed from the cooling and solidification of molten magma or lava?
Sedimentary
Metamorphic
Igneous
All of the above
2. Fossils are most commonly found in which type of rock?
Igneous
Sedimentary
Metamorphic
Volcanic
3. Rocks that have been changed by extreme heat and pressure are called rocks.
4. The process of breaking down rocks into smaller pieces is known as .
5. When magma cools slowly beneath the Earth's surface, it forms igneous rocks, which have large crystals.
6. Granite is an example of a sedimentary rock.
True
False
7. The rock cycle shows how rocks are continuously formed, broken down, and reformed.
True
False
Match each rock type with its description or example.
8. Igneous Rock
a. Formed from layers of sediment
9. Sedimentary Rock
b. Formed from cooled magma/lava
10. Metamorphic Rock
c. Changed by heat and pressure
11. Describe the main difference between intrusive and extrusive igneous rocks.
12. Explain how the process of compaction and cementation contributes to the formation of sedimentary rocks.
The image below illustrates the rock cycle. Use it to answer the following questions.
13. According to the diagram, what processes can turn a sedimentary rock into a metamorphic rock?
14. What happens to igneous rock to become sediment?
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