Across
- 3. A mountain that can erupt with lava.
- 5. A time period when many dinosaurs lived.
- 6. Age: A time when much of the Earth was covered in ice.
- 7. When all of a type of animal dies out.
- 8. An animal that walks on four legs.
- 10. An animal that walks on two legs.
- 11. A rock from space that hits the Earth.
- 13. Old bones or remains found in rocks.
- 15. No longer living or existing.
- 16. A giant reptile that lived millions of years ago.
Down
- 1. An animal that only eats plants.
- 2. A large, slow-moving river of ice.
- 4. A large, hairy elephant that lived during the Ice Age.
- 9. A scientist who studies fossils.
- 12. An animal that only eats meat.
- 14. An animal that eats both plants and meat.