Internal and External Forces

Forces that shape the earth

Internal Forces: How landforms are shaped

Kilauea, Hawaii

Lascar, Chile

VOLCANOES

http://volcano.und.edu

Hot Spots

Hawaiian Islands

Castle Geyser, Yellowstone, WY

External Forces

Chemical Weathering1. Carbonic Acid

2. Acid Rain

Erosion1. Water

2. Wind

3. Glaciers

Frost Wedging

Carbonic Acid

Carlsbad Caverns, NM

Mammoth Cave, KY

Minerva Terrace, WY

CARBONIC ACID

Acid Rain

Effects on Vegetation

Effects on Architecture

Acid Rain

Acid Rain Levels in Europe

ErosionWATER

Capital Gorge, UT

Grand Canyon, AZ

WIND

Arches, UT

Bryce Canyon, UT

WIND

Badlands, SD

WIND

GLACIERS

Grand Tetons , WY

Glacier National Park, MT

GLACIERS

Glacier Bay, Alaska

GLACIERS