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CH.3 Rocks Earth sci

Earth science

QuestionAnswer
What is a rock? A rock is any solid mass of mineral-like matter that occurs naturally as a part of our planet.
What are the three major rock groups? The three major rock groups are Igneous, Metamorphic, and sedimentary.
What is the rock cycle? Interactions among Earth's water, air, and land can cause rocks to change from one type to another.
What is magma? Magma is molten material that forms deep beneath Earth's surface.
What type of rock is formed when magma cools and hardens beneath the surface? When magma cools and hardens beneath the surface of Earth Igneous rock forms.
What is lava? Lava is magma that reaches the surface.
What is weathering? Weathering is a process in which rocks are physically and chemically broken down by water, air, and living things.
What is sediment? Sediment is the weathered pieces of Earth materials.
How do sedimentary rocks form? Sedimentary rocks form when sediments are compacted or cemented.
How do metamorphic rocks form? Under extreme pressure and temperature conditions, sedimentary rock will change into metamorphic rock.
Where does the energy that drives Earth's rock cycle come from? The recycling machine is powered by heat which originates from the interior of the Earth. Additional power is supplied to the machine via the sun, which provides the planet with weathering mechanisms which erode existing rock into smaller
What is an Intrusive igneous rock? The Intrusive igneous rock forms when magma hardens beneath the Earth's surface
What is an Extrusive igneous rock? An Extrusive igneous rock is when lava hardens.
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Created by: isis.fuentes
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