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Geology Section 6.1 Homework: How Rocks Form: Due Friday, 12/2/11
Read Section 6.1, pages 118-120. Answer the following questions.
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Last Name, First Name
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Period (Do not put nd, rd, or th after the number.)
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Which of the following types of rocks can become metamorphic?
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igneous intrusive
sedimentary
metamorphic
igneous extrusive
all of the above are correct
What is the difference between a rock and a mineral? It is important for you to understand the difference, as it may seem like we are covering the same material twice.
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What was the only rock type found on Earth when the Earth was first cooling and forming?
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Igneous
Sedimentary
Metamorphic
What is the difference between magma and lava?
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Magma can only be found on the surface of the Earth
Lava can only be found at great depth in the Earth
Magma is molten material that solidifies beneath the Earth's surface.
Lava is molten material that solidifies at the Earth's surface
Both the 3rd and 4th options are correct.
The presence of sedimentary rocks has been confirmed on the surface of Mars. This tells us that Mars once had or still has _______________ on its surface.
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Martians
water
wind
Microbial life
Both the second and third options are correct.
Heat, pressure, and/or chemical activity are responsible for forming ______________________ rocks.
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igneous intrusive
igneous extrusive
sedimentary
metamorphic
Which of the following is not a significant driving force of the rock cycle.
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plate tectonics
weathering
gravity
the Sun
erosion
meteoroid impacts
Look at the diagram of the rock cycle on page 119. Describe the process(es) that form igneous rock, sediments, sedimentary rock, metamorphic rock, and magma.
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