Dinosaur Fossils

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Dinosaur Fossils

• By Dr. Alvin Granowsky

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fossils

• Hardened remains of an animal or plant that lived
  long ago.
• The fossil of the leaf imprint was found in
  sandstone.

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hardened

• Became solid
• After the lava hardened we were able to walk on
  top of it.

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scientists

• People who study things in nature.
• Paleontologists are scientists who study fossils.
  

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difficult

• Something that is not easy to do.
• It would be difficult to play the piano
  backwards.

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extinct

• No longer living.
• Many animals have become extinct, there are none
  of them left in the world.