Fossils

Which of the following is NOT a fossil?

• an imprint of a fern leaf

• the remains of a wooly mammoth

• an imprint of a seashell in the side of a mountain

• the snake skin found by the river

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In which type of rock are you most likely to find a fossil?

• sedimentary rock

• igneous rock

• metamorphic rock

• mineral rock

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What is the most common fossil found?

• water

• skin

• plant

• animal

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NGSS.MS-LS4-1

A scientist wants to learn more about the history of an area. Which of these fossils could mean that water once covered the area?

• fossil of a fern leaf

• fossil of a butterfly

• fossil of a footprint

• fossil of a shell

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The remains of a once living thing is called a

• remainder

• mineral

• fossil

• sediment

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Scientist study fossils to learn about

• different kinds of soil

• extinct plants and animals

• hardness

• pollution

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How have scientists learned about dinosaurs?

• by studying dinosaurs in amber

• by studying dinosaurs in zoos

• by studying dinosaur fossils

• by studying photographs of dinosaurs

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What is the third step in the fossilization process?

• Earth's surface moves and cracks. Then people are able to see the fossil.

• The hard parts are buried under layers of dirt and sand.

• The animal dies. The skin and other soft parts rot away.

• The bones turn into rock. This can take millions of years.

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You know that any dinosaur parts found by scientists are fossils because

• dinosaurs are extinct

• dinosaurs look different from animals today

• they are found in sedimentary rock

• dinosaurs are bigger than animals today

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Which BEST describes why a scientist might study a fossil of a plant that no longer exists?

• to see if it can be removed from the fossil and grown today

• to see if it contains useful minerals

• to see how it is related to plants that are alive today

• to see what animal once ate it

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