'Lake beds' diaporamas de présentation

Cell Phones, Pagers, etc.

1.31k views • 91 slides

The Solar System

The Solar System. Earth is not even the beginning!. Our Solar System. How the Solar System Formed. Large explosion sent gas and dust flying Gravity forced particles together Tighter And Tighter And even tighter Until they began to heat because of friction

1.24k views • 90 slides

Oil Shale:

Oil Shale:. A viable step towards energy independence? Author: Benjamin Reichard; Contact: bedoxr@gmail.com. Overview. What? Where? Why? How? Economic Appeal Environmental Concerns Legal Barriers. What is oil shale?.

2.16k views • 80 slides

Humans and Pre-Industrial Climate

Humans and Pre-Industrial Climate. The black curve shows the northern hemisphere temperature in a climate model. . Michelle Letendre, Evan Wise, Chance Snow, Mary James, Sara Smith, Cristy Echaves. Climate and Human Evolution. Humans evolved in Africa. Radiometeric dating .

582 views • 45 slides

Earth Cycles

575 views • 29 slides

The Biome of Tundra

705 views • 26 slides

Cali forn ia Coast l ine

Cali forn ia Coast l ine. The coastline of California stretches for 1,264 miles from the Oregon border in the north to Mexico in the south. Some of the most breathtaking scenery in all of California lies along the Pacific coast .

330 views • 19 slides

236 views • 15 slides

Fossil Butte

220 views • 6 slides

Fossil Butte

182 views • 4 slides