Fossils /Grade 3

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What is an organism?

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An organism is any living thing, plant or animal, including humans.

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What is a trace fossil?

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A trace fossil is a fossilized footprint or other evidence of an organism's activity.

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What does extinct mean?

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Extinct means an organism that is no longer found on Earth.

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What are fossils?

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Fossils are the remains of dead organisms.

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What is a paleontologist?

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A paleontologist is a scientist who studies fossils.

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What is amber?

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Amber is fossilized tree resin that can preserve small organisms.

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What is a cast fossil?

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A cast fossil is formed when a mold of an organism is filled with minerals.

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What is a mold fossil?

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A mold fossil is an impression left in rock by an organism.

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What can fossils tell us?

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Fossils can tell us about the history of life on Earth and how organisms have changed.

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How are fossils formed?

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Fossils are formed when organisms are buried by sediment and their remains are preserved over time.