2. Welcome 4 th Graders! Click on the arrow to begin. If you ever want to return to the beginning click on the house. http://www.maropeng.co.za/images/uploads/fossil_lg.jpg, http://www.soil-net.com/album/Soils_Rocks/slides/Fossil%20Amonite.jpg

3. Let’s speed up time and watch them form!

5. Correct! The layer on the bottom is the oldest.

6. Oops! Try again. Click the button to go back.

7. When plants and animals die they may get trapped in the sediment After long periods of time they can become fossils http://lovingthebigisland.files.wordpress.com/2009/06/fossil-fish-1.jpghttp://www.geosociety.org/graphics/gv/PikesPeak/03FossilWasp.jpg

8. Scientists can look at the animals that live today and compare them to the fossils we find from long ago.

9. This is another tooth from a Megalodon! http://www.fossilien.de/seiten/haizaehne/megalodon-.jpg This shark lived millions of years ago. WOW ! It is bigger than 2 hands together! Let’s compare Megalodon to the largest living shark today…

10. These are teeth are from a Great White Shark That means Megladon must have been… http://files.tellmewhereonearth.com/Photos%20Sharks/greatwhites-stratosphere.JPG

11. http://www.fossilien.de/seiten/haizaehne/megalodon_weisserhai.jpg

12. Have you ever seen a beaver? Maybe in real life or in a picture? http://static.open.salon.com/files/beaver1231206221.jpg http://en.wikipedia.org/wiki/File:American_Beaver.jpg

13. It could grow up to 8 feet long and weigh over two hundred pounds! It’s front teeth were 6 inches long! http://en.wikipedia.org/wiki/File:Giant-beaver-fieldmuseum.jpg

14. http://www.boneclones.com/images/bc-071a-lg.jpg

15. This is a fossil of a dinosaur Does it look like it might have had feathers to you? http://en.wikipedia.org/wiki/File:Sinornithosaurus_Dave_NGMC91.jpg YESNO

16. This is a fossil of a dinosaur Does it look like it might have had feathers to you? Paleontologist started to find more and more dinosaur fossils that had feathers…. http://en.wikipedia.org/wiki/File:Sinornithosaurus_Dave_NGMC91.jpg YESNO

17. http://upload.wikimedia.org/wikipedia/commons/1/1f/Deinonychus_BW.jpg http://planetdinosaur.com/site/images/stories/dinosaurs/Sinornithosaurus_feathered_dinosaurs.jpg

18. http://www.dinosaurfact.info/wp-content/uploads/2009/08/Archaeopteryx.jpg

19. http://whatbird.wbu.com/img/4/707/image.aspx http://pelotes.jea.com/AnimalFact/Birds/hkrdtal2.jpg http://www.muralsforkids.com/images/BlueJay.jpg

21. Click on the horse that you think is living today

22. CORRECT! Today’s horses are much bigger than the first horses

23. Click on the horse that you think is living today Oops! Try again. Remember how small the horse jaw fossil you saw in science class was…