Fossils Review

What has to happen first for a fossil to form?

• Mud presses down on the remains of a dead plant or animal

• After a plant or animal dies, it sinks into a muddy area on Earth's surface

• Minerals dissolve and turn the remains into stone

Both plants AND animals can become fossils

• True

• False

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A animal that is this is no longer found alive on Earth

• organisms

• fossilized

• extinct

• alive

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NGSS.MS-LS4-1

A scientist who studies fossils and organisms that lived long ago is called a

• paleontologist

• biologist

• chemist

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NGSS.MS-LS4-1

This is a type of imprint fossil formed when mud or sediment builds up around the dead animal or plant

• mold fossil

• cast fossil

• decayed fossil

This is a type of fossil where minerals and bits of sediment fill a space and harden into the shape of the organism

• mold fossil

• cast fossil

• imprint fossil

Amber is

• a mold fossil

• rotting or decomposing animals

• a hard, orange-yellow substance formed from tree sap

When scientists find a fish fossil in the desert, they know that long ago this piece of land was a

• desert

• a body of water

• a mountain

• a hill

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In very cold climates, fossils can be preserved in

• wood

• sand

• ice or snow

• fossils cannot be preserved in cold climates

What does a sharp tooth fossil tell scientists about that animal?

• it probably ate only plants

• it probably drank a lot of water

• it was prey for other animals

• it probably ate other animals

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2