Dinosaur Fossils

1. Dinosaur Fossils pages 14-31 Vocabulary

2. di no saurs

3. dinosaurs We have learnedall that we know about dinosaursfrom their fossils.

4. dinosaurs Dinosaur bones show us that there were dinosaurs of all shapes and sizes.

5. Dinosaurs are extinct animals that lived long ago.

6. fos sils

7. fossils In the museum I saw some unusual fossils,including animal bones that had turned to stone.

8. fossils Fossils can be leaves, shells, eggs, or skeletons.

9. Fossils are hardened remains of an animal or plant that lived long ago.

10. hard ened

11. hardened After a while, the melted wax on the burned candle hardened.

12. hardened Some fossils are hardened tracks or footprints left by a moving animal.

13. Hardened means became solid or hard.

14. sci en tists

15. scientists Some scientists, people who study things in nature, dig for fossils.

16. scientists Most often, scientists who study fossils have to spend a long time looking for them.

17. Scientists are people who study things in nature.

18. dif fi cult

19. difficult We had a difficult time solving the word problem. It was not easy.

20. difficult Putting the bones together is difficult when some of the pieces are missing.

21. Difficult means not easy.

22. ex tinct

23. extinct Dinosaurs are extinct. They no longer exist.

24. extinct Scientists must learn about dinosaurs from fossils because dinosaurs are extinct.

25. Extinct means no longer existing. There are no more of this kind of animal alive today.