Plate Tectonics
Weathering and Erosion
Landforms
Pollution
Misc.
100

Define Plate Tectonics

Theory that views Earth's crust as divided into more than a dozen rigid, slow moving parts

100

Define Weathering

Process by which a rock (or other formation) is broken down

100

Land completely surrounded by water

Island

100

Define Pollution

Introduction of Harmful Chemicals

100

A deep valley with very steep sides - often carved from earth by a river

Canyon

200

Define Continental Shelf

Edge of a continent

200

Define Erosion

The movement of rock or broken down pieces of rock from one place and depositing them in another.

200

A low place between mountains.

Valley
200

3 types of Pollution

Water, Air, Land

200

The thinnest layer of Earth. 

Crust

300

Define Continental Drift

Theory that plates are moving very slowly and have been for millions of years

300

3 types of Erosion

Water, Wind, Glacial

300

Land surrounded on three sides by water

Peninsula

300

3 main fossil fuel contributors to pollution

Coal, Oil, Natural Gas

300

Term for nitrogen oxide, sulfur dioxide and hydrocarbons that react with sunlight

Smog

400

Define Fault

Places where masses have been broken apart and moved away from each other

400

3 types of Weathering

Mechanical, Chemical, Biological

400

A long narrow sea inlet that is bordered by steep cliffs.

Fjord

400

What happened in the Gulf of Mexico in April of 2010?

Oil Spill

400

Name of the Earthquake that was recorded in North Dakota in 1968.

Huff Earthquake

500

Define Rift Valley

A place where the crust has stretched and broken

500

What type of weathering would a rock disintegrating be an example of?

Chemical Weathering

500

A narrow strip of land connecting two larger land masses. It has water on both sides.

Isthmus

500

The chemical build up of each level of the food chain.

bioaccumulation

500

What is the scale that most seismologists prefer?

Moment Magnitude Scale