Earth's Landscapes

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What is a fossil?

Back

A fossil is the preserved remains or traces of a living organism from a long time ago.

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What can fossils tell us about Earth's history?

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Fossils provide evidence of past life and help scientists understand what the Earth was like in different time periods.

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What is sediment?

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Sediment is small pieces of rock, soil, and organic material that can settle at the bottom of bodies of water.

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How do fossils form?

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Fossils form when organisms are buried by sediment, which hardens over time into rock.

Front

What is the significance of Sharktooth Hill?

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Sharktooth Hill is a site where many fossils, including shark teeth, have been found, indicating it was once underwater.

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What does the presence of a shark tooth indicate?

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The presence of a shark tooth indicates that the area was once part of an ocean or sea.

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What is an ocean?

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An ocean is a large body of saltwater that covers most of the Earth's surface.

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What is the role of rivers in fossil formation?

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Rivers can transport sediment and fossils, and changes in river flow can lead to the formation of fossil beds.

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What is the difference between a dinosaur fossil and a shark fossil?

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A dinosaur fossil comes from land-dwelling reptiles, while a shark fossil comes from marine animals.

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What does 'evidence of past life' mean?

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It means that scientists can find clues, like fossils, that show what types of organisms lived in the past.