What is a Fossil Review

What is a fossil?

• preserved remains of ancient organisms

• a rock in the ground

• a bird flying in the sky

• the life cycle of a snail

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Is it a fossil?

• Yes

• No

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Is it a fossil?

• Yes

• No

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NGSS.MS-LS4-1

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Is it a fossil?

• Yes

• No

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NGSS.MS-LS4-1

Is it a fossil?

• Yes

• No

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NGSS.MS-LS4-1

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Is it a fossil?

• Yes

• No

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Scientists who study fossils are called

• archeologists

• geologists

• hydrogeologists

• paleontologists

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Which step in fossilization comes first?

• An organism dies and the soft part of it decay.

• Over time, layers build pressure that turn the layers to stone.

• Wind and water erosion expose the fossil to the surface.

• Minerals around the skeleton preserve the bones.

The preserved remains or traces of organisms that once lived on Earth. They are important because they provide evidence of the past.

• cementation

• erosion

• fossils

• weathering

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What are the preserved traces of animals and plants that lived long ago called?

• Sediments

• Fossils

• Mountains

• layers

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