Exploring the World of Fossils

What are fossils?

• Living plants and animals

• Preserved remains of plants or animals that lived long ago

• Rocks that are millions of years old

• Modern-day animal bones

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Which of the following is NOT an example of a fossil?

• Bones

• Teeth

• Imprints

• Fresh leaves

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What is a mold fossil?

• A hollow space in the shape of an animal or plant

• A mark or footprint left behind by a living thing

• A fossil made of amber

• A fossil found in ice

How are fossils formed?

• By animals eating plants

• By minerals filling a mold

• By mud and sand covering dead plants or animals over millions of years

• By plants growing in rocks

Where are most fossils found?

• In the ocean

• In the sky

• In rock

• In trees

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What do trace fossils provide evidence of?

• The color of ancient animals

• The activity of ancient organisms

• The size of ancient plants

• The temperature of ancient Earth

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Who studies fossils to learn about extinct organisms and ancient life?

• Geologists

• Botanists

• Paleontologists

• Astronomers

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What can fossils tell us about Earth's past?

• The future of Earth

• What Earth’s surface and life were like in the past

• The weather next week

• The color of the sky

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What is a cast fossil?

• A fossil found in ice

• A fossil made of amber

• When minerals fill a mold and form a replica of the original organism

• A fossil that is still alive

Which of the following is a type of trace fossil?

• A dinosaur bone

• A shark tooth

• A footprint

• A shell