Earth Science Concepts and Processes

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Definition of fossil

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remains or traces of ancient organisms

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Plate tectonics

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explaining movement of Earth's lithospheric plates

Front

Sedimentary rock fossils

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commonly found in sedimentary rocks

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Earthquake

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shaking of Earth's surface due to plate movement

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Soil horizon

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layer of soil with specific characteristics

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Evolution

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in species over time

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Volcanic eruption

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of magma, ash, and gases from a volcano

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Igneous rock formation

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and solidification of magma or lava

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Trace fossil

Back

of organism activity, like footprints or burrows

Front

Weathering in soil formation

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of rocks into smaller particles