Fossils

What is a fossil?

• A leaf from a dead tree.

• Bones from a fish that people eat.

• What is left from a plant or animal that lived long ago.

• A drawing of a Tyrannosaurus Rex.

What animal lived on Earth millions of years ago, but no longer does?

• fish

• dinosaur

• bird

• frog

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What does extinct mean?

• No longer present.

• To go swimming.

• To go fishing.

• No longer living

How do fossils form?

• When two rocks get rubbed together.

• When body parts are found in the river.

• When plants and animals are buried under mud, clay, or leaves.

• When plants and animals are buried under mud, clay, or sand.

What is the first step in how an ammonite fossil was found?

• The mud and sand slowly turned to rock.

• The ammonite died, and mud and sand covered it.

• It's soft body parts rotted away.

• Its hard shell remained.

What is the last step in how an ammonite fossil is formed?

• The mud, sand, and hard shell slowly turned to rock.

• The ammonite died.

• Its soft body part rotted away.

• Erosion removed the rock around the fossil.

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What are 3 clues that fossils give about extinct animals?

• How they once looked, ate, and smelled.

• How they once looked, ate, and swam.

• How they once looked, ate, and moved.

• How they once looked, ate, and danced.

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What are 3 things a fossil could be?

• footprint, imprint, bones turned to rock.

• footprint, imprint, bones turned to dust.

• fingers, imprint, bones turned to rock.

• footprint, imprint, bones turned to a pile.

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How do we learn about dinosaurs that lived on Earth long ago?

• By singing songs.

• By looking at their fossils.

• By taking pictures of them.

• By looking at their eggs.

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A fossil is not useful to us.

• True

• False

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