History of the Earth

1. Which came first - fish or amphibians
2. Did humans and dinosaurs exist at the same time - yes or no
4. Cluster of stars
7. The name scientists gave to the beginning of the universe when it went "poof"
8. My favorite animal (it's orange and hairy - there's a stuffed version on the window sill)
10. Scientists believed that asteroids brought this to earth
11. What the early earth was full of
13. What the first mammal looked like
15. Ms. Lafoon's first name
17. The name for the zone that describes the earth's special location in the solar system

1. Roughly how long ago the universe was created - five, fourteen, or twenty billion years
3. What the first single cell organisms emitted or let out through photosynthesis
5. How many planets in our solar system (not including Pluto)
6. The name of our galaxy
9. What hit the earth to create the moon
12. Another name for our sun
14. How many billions of years it took for life to form on earth (write out the number)
16. Last name of the scientist who discovered that the universe is expanding