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- 1. Multiple Choice
Which of the following is true about rocks?
Coal is not considered a rock.
Rocks do not contain minerals.
Most rocks are a mixture of minerals
Rocks are composed of only one mineral.
- 2. Multiple Choice
Halite is made when s body of seawater becomes closed off and evaporates and salt precipitates out and is deposited as crystallized halite. What type of sedimentary rock is formed?
Clastic
Chemical
Organic
Pyroclastic
- 3. Multiple Choice
Which rock type is formed from hardened magma beneath the Earth’s surface?
Intrusive metamorphic rock
Extrusive sedimentary rock
Intrusive igneous rock
Extrusive igneous rock
- 4. Multiple Choice
In which type of rock can fossils be found?
Extrusive igneous rock
Intrusive igneous rock
Metamorphic rock
Sedimentary rock
- 5. Multiple Choice
What is the natural process that causes one kind of rock to change into another kind?
Weathering
Rock Cycle
Sediments
Metamorphism
- 6. Multiple Choice
How do metamorphic rock form?
By heat and pressure deep underground
By compaction of sediments
By cooling of magma
By melting of rock
- 7. Multiple Choice
Which of the following is an example of extrusive igneous rock?
Basalt
Sandstone
Coal
Granite
- 8. Multiple Choice
What rock-forming process occurs when hot magma comes near and heat up rock?
Regional metamorphism
Contact metamorphism
Sedimentation
Deposition
- 9. Multiple Choice
Igneous rock is divided into two groups, extrusive and intrusive. Extrusive igneous rocks form when magma makes its way to its surface as lava and the cools forming rocks. Which will be the characteristics of the crystals?
Crystals are very large.
Crystals are phaneritic.
Crystals are fine grained.
Crystals are coarse grained.
- 10. Multiple Choice
Regional metamorphism occurs due to changes in pressure and temperature over a large region of the crust. It may happen when rock is buried deep below the surface or where pieces of the Earth’s crust collide. Which is metamorphic rock?
Breccia
Conglomerate
Marble
Sandstone
- 11. Multiple Choice
Which statement best describes how rocks are classified as igneous, sedimentary, or metamorphic?
Rocks are classified by where they are found.
Rocks are classified by how old they are.
Rocks are classified by how they were formed.
Rocks are classified by their color.
- 12. Multiple Choice
How are igneous rocks formed?
They are formed by erosion
They are formed by heat and pressure
They are formed by melted rock cooling.
They are formed by sediments settling
- 13. Multiple Choice
If you wanted to collect sedimentary rocks, what sort of characteristics would you look for in a rock’s composition?
Rock that includes sparkly crystals.
Rocks that formed from magma or lava during volcanic eruption.
Rock made from eroded material broken off other rocks and cemented together.
Rock that has been transformed into new substances due to intense heat and pressure.
- 14. Multiple Choice
Which of the following represents the correct order of the processes responsible for the formation of sedimentary rocks?
Weathering, erosion, deposition, compaction, cementation
Compaction, cementation, deposition, weathering, erosion
Deposition, cementation, compaction, erosion, weathering
Erosion, weathering, compaction, cementation, deposition
- 15. Multiple Choice
A student obtained a cup of quartz sand from beach. A saltwater solution is poured into the sand and is allowed to evaporate. Afterwards, the mineral residue from salt water solution cemented the sand grains together. Which of the following is most likely formed?
Extrusive igneous rock
Intrusive igneous rock
Metamorphic rock
Sedimentary rock
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