Set: science quiz:alfred wegener

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All 17 Terms

Term Definition
pangea super continent, all continents joined as one
lithosphere made up of the crust and top layer of the mantle
asthenosphere layer of hot, soft rock in the upper mantle
mid-ocean ridges underwater mountain ranges in every ocean
tectonic plates earth's surface is made up of moving plates driven by motions in the mantle and asthenosphere
continental drift continents move or drift apart
plates move around the special layer of the mantle
convention currnets circular motion when hot material rises, cools, and sinks
rift valleys gaps cut mid-ocean ridges
magnetic reversal a switch in the direction of earth's magnetic poles
subduction when one tectonic plates sinks beneath another
hot spots heated rock that rises in plumes or think columns in the mantle
himalays formed when india-austrailia plate colided with the eurasion plate
innercore a ball of hot solid liquid metals
outercore a layer of hot, liquid metals surrounding the innercore
mantle earth's thickest layer
crust thin layer of rock that surrounds the earth

Set Information

Terms 17
Creator mlmessner26
Created November 3, 2007
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mlmessner26 : Changed hialayas → formed when india-austrailia plate colided with the eurasion plate to himalays → formed when india-austrailia plate colided with the eurasion plate
Last Message: 13 months ago

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  1. mlmessner26 - 23 scores

Most Missed Words

  1. convention currnets → circular motion when hot material rises, cools, and sinks - 2 misses
  2. hot spots → heated rock that rises in plumes or think columns in the mantle - 2 misses
  3. lithosphere → made up of the crust and top layer of the mantle - 1 miss
  4. asthenosphere → layer of hot, soft rock in the upper mantle - 1 miss
  5. mid-ocean ridges → underwater mountain ranges in every ocean - 1 miss
  6. plates → move around the special layer of the mantle - 1 miss
  7. rift valleys → gaps cut mid-ocean ridges - 1 miss