Week 4 - 4.22 Vocab Flashcard

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Igneous Rock:

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Formed when lava or magma cools, crystallizes, and solidifies.

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Sedimentary Rock:

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Rock formed from layers of deposited and cemented particles.

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Metamorphic Rock

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Rock formed deep underground due to heat and pressure.

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Deposition: The process by which gravity, water, wind, and ice deposit weathered and relocated sediment.

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Deposition is the process of depositing weathered and relocated sediment.

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Erosion: The process by which gravity, water, wind, and ice remove and transport sediment.

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The process by which gravity, water, wind, and ice remove and transport sediment from one place to another.

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Geoscience Process

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Any natural process affecting Earth’s surface, like weathering, erosion, or plate tectonics.

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Tectonic Plate: Huge piece of crust that moves on the upper mantle.

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Huge piece of crust that slowly moves on the upper, ductile part of the mantle.

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Continental Drift: Theory that continents were once connected but have drifted apart.

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Continents were once connected but have drifted apart.

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Index Fossils: Widespread fossils from organisms that lived briefly, used to correlate rock strata.

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Fossils that are widespread, come from organisms that lived over a relatively short period of time, and can be used to correlate rock strata.

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What is the Crust?

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The part of the pizza that you don't eat unless it's stuffed with cheese.