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Earth's Changes WK3

TermDefinition
rapid change a change that happens quickly
slow change a change that takes a long time to happen
process of formation how something is formed
model a picture, idea, or object that represents something else
sediment broken down pieces of rock
weathering rock is broken down by wind, water, or ice to create sediment
erosion the movement of weathered material by wind, water, or ice
deposition weathered & eroded sediment is dropeed off by wind, water, or ice
compaction pressure squeezes rock, soil, and sediment
cementation process of binding and hardening seciments in hard rock
sedimentary rock a rock that forms from compressed and cemented layers of sediment
organism a living thing
decomposition process by which dead plants and animals decay or rot
fossil fuels fuels formed over millions of years from the remains of dead plants & animals
coal solid fossil fuel made from plants in a wet, swampy area
oil liquid fossil fuels made from the remains of ocean plants and animals
petroleum another word for oil
natural gas gaseous fossil fuel made from the remains of ocean plants & animals
landform a physical structure on Earth that occurs naturally
canyon a landform caused by a river weathering & eroding rock
delta a landform caused by deposition at the mouth of a river
u-shaped valley a landform caused by a glacier (ice) weathering & eroding rock
v-shaped valley a landform caused by a river weathering and eroding rock
sand dune a landform caused by wind eroding and depositing sand into a pile
glacier a large chunk of ice
ice wedging a type of weathering in which water falls into a crack in a rock, freezes, expands, and breaks the rock
moraine rock and sediment left behind by a glacier
Created by: Kuck
 

 



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