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Ch. 9 Answer Key

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Vocab
#1 Rock that is made from pieces of rocks and minerals sedimentary rock
#2 Rock that forms from molten rock that has cooled and hardened igneous rock
#3 rock that forms when one type of rock changes into another type of rock metamorphic rock
#4 A naturally formed solid with a definite internal pattern crystal
#5
Vocab
#1 A nonliving, naturally occurring solid with a definite chemical structure mineral
#2 a fossil fuel found in the form of a gas natural gas
#3 an energy source made from once living organisms fossil fuels
#4 a renewable resource that is generated from the heat in Earth's interior geothermal energy
#5
Properties of rock
#1 property that uses the Mohs scale, determines how difficult it is to scract hardness
#2 The appearance of a mineral luster
#3 how a rock breaks cleavage
#4
#5
Misc.
#1 Importance of forests provide homes for wildlife, remove carbon dioxide from atmosphere, provide food and medicine, create oxygen
#2 Difference between renewable and nonrenewable resources and examples renewable: can be replaced as fast as used, air and water. nonrenewable: can't be replaced as fast as used, coal and petroleum
#3 Human impact on Earth burn fossil fuels which release gasses that trap heat, cut down forests which provide oxygen and homes for wildlife, use up most of available farm land
#4 Rock cycle volcano erupts, cools and forms an igneous rock, weathering breaks down rock into sediments, sediments pile on top of each other and form a sedimentary rock, over time heat, pressure or chemical weathering changes the rock into a metamorphic rock
#5
#1
#2
#3
#4
#5
Final Question