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2.7 Vocabulary

2.7 Word List

TermDefinition
weathering Process by which exposed rock is broken down by wind, water, or ice.
erosion The movement of weathered material by wind, water, or ice.
depositon Process by which weathered and eroded material is deposited by wind, water, or ice.
friction The force that two surfaces exert on each other when they rub against each other.
force A push or pull that changes the motion of an object.
newtons The unit of measurement for force.
mass A measure of the amount of matter in an object.
weight A measure of the force of gravity acting on an object.
gravity The force of attraction between all masses in the universe.
fossil fuels Fuels formed over time from the remains of ancient plants and animals; examples include coal, petroleum (oil) and natural gas.
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