Fossils

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What are fossils?

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Fossils are the preserved remains or traces of organisms that lived in the past.

Front

What evidence shows that the Sahara Desert used to be an ocean?

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Whale fossils have been found there.

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How have scientists' ideas about dinosaurs changed over time?

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Scientists' ideas about what dinosaurs looked like have changed as new evidence has been discovered.

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What does it mean when we say fossils are preserved?

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Preserved means that the remains of the organism have been kept in a condition that allows us to see them today.

Front

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

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A seashell found on the beach.

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What can fossils tell us about the past?

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Fossils can provide information about what organisms lived in a certain area, the environment they lived in, and how they may have changed over time.

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What is a petrified fossil?

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A petrified fossil is a type of fossil where organic material has been replaced with minerals, turning it into stone.

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What is an example of a trace fossil?

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A footprint captured in rock is an example of a trace fossil.

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Why are fossils important to scientists?

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Fossils help scientists understand the history of life on Earth and how different species have evolved.

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What type of environment might produce fossils?

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Fossils are often found in sedimentary rock, which forms in environments like oceans, rivers, and lakes.