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"Science Ch.9"

Changes to earths surface lessons 1 and 2

QuestionAnswer
How are canyons most likely formed? Rivers
If you are hikeing up a sloping landform, how can you tell if it's a moraine? Rocks, Boulders, Clay, Sand
Where would you mast likely find a delta? At the mouth of a river.
Which of the following is NOT a cause of weathering? A. River carries sand and sediment down stream B. sand blows against rocky surface. C. Plant grows in a crack of a rock A. River carries sediment down a stream
Wind- weathers landforns and carries away tiny pieces if rock
Deposition- sediment drops out of water and forms a delta
sinkhole- roof of a cave colapses and if the cave is near surface a hole forms
shaking of the ground caused by moving plates earthquake
A break in the earth's crust fault
a mountian made of lava, ash or rock volcano
forms where plated push against each other magma
which of earth's layers contains soft areas on whhich plates float? mantle
_________ __________ causes both earthquakes and volcanic eruptions. Moving plates
What would make better model to show the process that causes an earthquake? Two sponges rubbing against each other or a bowel of jiggling jello. Explain why! The sponges, because it models the plates rubbing against each other.
What would make a better model to show a volcainc erution? A can of soda or a lit firecracker. Explain why! A can of soda, because presure pushes both the soda and the magma out of the volcano.
natural land shape or feature Landform
all the landforms in an area topography
a large thick sheet of ice glacier
a large hill of sand made and shaped by wind sand dune
an area of new land at the mouth of a river delta
a huge hole formed when the roof of a cave colapses sink hole
Created by: Steven Shurina
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