Earth Science Midterm Review - All Topics

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What is Earth Science?

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Earth Science is the study of the Earth and its processes, including geology, meteorology, oceanography, and astronomy.

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What are the three main types of rocks?

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The three main types of rocks are igneous, sedimentary, and metamorphic.

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How are igneous rocks formed?

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Igneous rocks are formed from the cooling and solidification of magma or lava.

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What is the difference between intrusive and extrusive igneous rocks?

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Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface, while extrusive igneous rocks form from lava that cools quickly on the surface.

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What is sedimentary rock?

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Sedimentary rock is formed from the accumulation and compaction of mineral and organic particles.

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What is metamorphic rock?

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Metamorphic rock is formed from existing rocks that are changed by heat, pressure, or chemically active fluids.

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What is the rock cycle?

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The rock cycle is the continuous process of rock formation and transformation through igneous, sedimentary, and metamorphic processes.

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What is the main way rocks are classified?

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Rocks are primarily classified based on how they form.

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What is pegmatite?

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Pegmatite is a coarse-grained, intrusive igneous rock that forms from slowly cooling magma.

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What is rhyolite?

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Rhyolite is an extrusive igneous rock that is rich in silica and typically has a fine-grained texture.