Geology Projects

Welcome to Our Earth!

Plate Tectonics and Our Continents	Our Changing Earth	How We Use Our Earth
"Reporters in Time" Report on Famous Volcanoes	Are there Rocks and Minerals on other Planets?	How Rocks and Minerals are formed
The Eras and Events of our Earth's History

Planet center 8,100 degrees F	Mantle 1,750 miles thick	Click here for a QuickTime Video Joke!
		Outer Core 1,300 miles thick
Crust, 20 miles thick under continents, 3 miles thick under oceans.		Earth Graphic by Steven W.