Fossils

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Across
  1. 5. mud, clay, sand or soil that can cover dead organisms and form fossils
  2. 6. a scientist who studies things from the past
  3. 8. We can learn about extinct animals by looking at fossils of their bones, claws and _______.
Down
  1. 1. something left from a plant or animal that lived long ago that has turned into rock
  2. 2. solid figure left behind when a living thing is filled in by minerals that harden; also called an imprint
  3. 3. hollow shape left behind when a living thing is covered by sediment, decays and leaves a space
  4. 4. It is ______ to find fossils.
  5. 7. no longer living and none of its kind is alive today