| 1. How was the Earth formed?
http://www.mcwdn.org/MAPS&GLOBES/Earth.html
2. How was early Earth like (climate, land mass, etc.)?
http://www.mcwdn.org/MAPS&GLOBES/Earth.html
3. What is pillow lava, and waht does it tell us about the early Earth?
Lava that has flowed underwater . . . which causes the lava to form large bulbous spheres, which look like pillows
4. Why did the crust start to form?
Earth Began to cool off as said on sites above
5. What were the two sources of Earth's water?
Ocean, lakes, rivers, comets Read your text book, it may have the right answer.
6. How did the early oceans come to exist?
7. How did the continents form?
The sliding of plates from what use to be called pangea "Super Contenant" broke apart because of contenental drift.
8. How did the formation of continents change the environment?
Mountain ranges were formed, location accounts for climate, and fault boundaries determines Volcanism etc.
9. Stromatolites made what?
http://www.wisegeek.com/what-are-stromatolites.htm your text book will have the answer more available
10. What caused the first mass extinction?
Most people say a meteor
11. What formed our supplies of coal, natural gas, and crude oil?
http://www.unctad.org/infocomm/anglais/gas/characteristics.htm
12. What caused the mass extinction at the end of the Permian?http://www.mineralogie.uni-wuerzburg.de/palbot/evolution/ptrextinction.html
hope these help |