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Earth Structures

QuestionAnswer
Sedimentary rock made from layers of sediments pressed together
Metamorphic rock changed by heat and pressure
Igneous rock formed from cooled lava or magma
Minerals natural, solid materials that make up rocks
Weathering breaking down of rocks into smaller pieces
Erosion movement of rock or soil by wind, water, or ice
Deposition dropping off sediments in a new place
Natural resources materials from Earth that people use
Renewable resource resources that can be replaced quickly
Nonrenewable resource resources that take millions of years to form
Luster how shiny a mineral is
Hardness how easily a mineral can be scratched
Streak the color a mineral leaves when rubbed on a porcelain tile
Cleavage how a mineral breaks into flat pieces
Phosphate a mineral used in fertilizers
Limestone a soft rock made from shells and sea life
Silicon a material found in sand, used in technology
Oil liquid fossil fuel found underground
Fossil fuel energy source from ancient plants and animals
Natural gas gas fossil fuel used for energy
Glacier a large, slow-moving mass of ice
Landslide sudden movement of rock and soil down a slope
Beach erosion sand being worn away from beaches
Coast erosion land along the ocean being worn away
Popular Earth Science sets

 

 



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