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SHMS 6th Grade Science Powertime Vocab 2

Mineral A substance that forms in nature, is a solid, has a definite chemical make up and a crystal structure.
Cleavage the tendency of a mineral to break along smooth flat planes parallel to zones of weak bonding
Fracture the tendency of a mineral to crumble or break in no particular pattern
Luster The way in which a mineral reflects light.
Streak the color of a mineral’s powder
Igneous Rock Forms when molten rock cools and becomes solid.
Metamorphic Rock Forms when heat or pressure causes older rocks, to change into new types of rocks.
Sedimentary Rock Forms when pieces of older rocks, plants and other loose material get pressed or cemented together.
Weathering a process that breaks down rock and other substances at Earth’s surface
Erosion the movement of rock particles by water or wind
Deposition the process in which transported sediment is laid down
Delta a land form created by deposition of sediment from a river flowing into the ocean. It forms at the mouth of the river.
Nonrenewable resource a resource that exists in a fixed amount or is used up faster than it can be replaced.
Renewable resource A natural resource that can be replaced in nature at about the same rate that it is used up.
Conservation The process of protecting or saving a natural resource.
Created by: hbogue