Module 3, Ch. 3-5, Part 2 - 4th Grade Science

Fossils can give clues about organisms that lived long ago.

• True

• False

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Where are fossils most likely to be found?

• sedimentary rock

• in areas around volcanoes

• beside an eroded river

• deep in the Grand Canyon

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Fossils are often found in hardened tree sap called ____.

• Mud

• Petrified wood

• amber

• rock

Which of the following can become fossils?

• imprints of plants

• remains of animals

• footprints of animals

• all of these

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A paleontologist finds the fossil of a fish on a mountain. She can infer that the area was once

• underwater

• a desert

• much colder

• much warmer

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This preserves the impression of the hard parts of an organism..

• mold

• fossil

• rock

• cast

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This is formed by the impression left in rock by the remains of an organism...

• mold

• fossil

• rock

• cast

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An insect trapped in amber is an example of a

• trace fossil

• exposed fossil

• whole body fossil

• fossil record

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What must happen to an organism for a fossil to form?

• It must be kept dry.

• It must be buried quickly.

• It is left unburied.

• It is in deep water.

The oldest fossils are usually found

• floating in rivers

• on ocean beaches

• deep underground

• on top of mountains