Flashcards
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Cards in this deck (11)
- 1Define plate tectonicstheory stating earth's outer shell consists of plates that move and cause earthquakes, volcanoes, mountains, and the formation of the earth's crust
- 2Define erosionWearing away of the land by forces like water, wind and ice
- 3Define fossilsImprint in rock od the remains of a living thing that lived millions of years ago
- 4Define geologic timeHistory of the earth from it's formation to the present
- 5Define erasMajor divisions of geologic time
- 6Define Canadian ShieldCore of Canada; made by Precambrian rock
- 7Define foldingBending of rock layers
- 8Define faultingCracks in the earth's crust
- 9Define igneous rockFormed from cooling molten rock (magma/lava)
- 10Define metamorphic rockFormed when sedimentary and igneous rock are subjected to great heat and pressure
- 11Define sedimentary rockFormed in layers fromw
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- Flashcards on Untitled, created by Aly Dee on 21/01/2017.
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- Aly Dee
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