2.3 Geologic Time Vocabulary

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What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms, often found in sedimentary rock layers.

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Where are fossils most often found?

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Fossils are most often found in sedimentary rock layers.

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What is faulting in geology?

Back

Faulting is the fracturing and sliding of Earth's crust.

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What happens during faulting?

Back

During faulting, rocks break and slide past each other along a fault line.

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What is folding in geology?

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Folding occurs when rock layers bend due to tectonic forces.

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What does geologic time represent?

Back

Geologic time represents the timeline of Earth's geologic history.

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What are tectonic forces?

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Tectonic forces are the movements of the Earth's plates that can cause earthquakes, faults, and folds.

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What is sedimentary rock?

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Sedimentary rock is formed from the accumulation of sediment, often containing fossils.

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What is the difference between igneous and sedimentary rock?

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Igneous rock is formed from cooled magma or lava, while sedimentary rock is formed from compressed sediments.

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What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.