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Kid's Tour to Mars

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Geology Terms

Here are some basic terms used in the tour. Find more geology terms in the Glossary.

Volcanic rock caused by partial melting of the Earth's crust.
The deepest part of a river or bay.
Channeled Scabland
Area in Washington state where huge floods made channels in a large, deep basalt flow. Named by J. Harlan Bretz during the 1920's in various publications. See also Glacial Lake Missoula.
Long winding channel cut through lava formations. A term primarily used in the northwestern United States.
Lifting and removal of rock, dirt, sand and the like caused by wind, water, or glacial ice.
Ice Age
A period in Earth's history when much of the continents are covered with ice sheets and glaciers.
Molten earth material (rock) that comes out of volcanoes or cracks in the Earth's crust.
Fine dirt deposited by wind usually from arid or glaciated areas.
Molten rock beneath the earth's surface. Magma is called "lava" when it erupts from a volcano.

Kids' Cosmos… Expanding Minds Beyond the Limits of the Universe

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Kid's Cosmos
P.O. Box 14077, Spokane, WA 99206-4077
© 2011 Kid's Cosmos

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© 2011 Kid's Cosmos
Kid's Cosmos