Science Time!

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Across
  1. 3. The remains or traces of an organism that lived long ago.
  2. 5. Footprint is a type of...
  3. 6. fossils. They form when minerals replace all or part of an organism.
  4. 7. is one of the processes that forms fossils.
Down
  1. 1. The scientist that studies fossils.
  2. 2. It's a type of body fossil.
  3. 4. they make the layers that cover the skeleton of the dead organism.
  4. 8. the hard resin where the organisms become fossilized inside.