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Minerals & Rocks

Using Earth's Resources

Rock Nonliving material made out of one or more minerals
Sediment Tiny bits of weathered rock or once-living animals or plants
Igneous Rock A rock forms when melted rock cools and hardens
Minerals Rocks are made of solid, nonliving materials
Sedimentary Rock A kind of rock that forms from layers of sediment
Metamorphic Rock A kind of rock that has been changed by heating and squeezing
Lava forms rocks with small mineral grains
Lava flows on the earth's surface
Magma forms rocks with large mineral grains
Magma is inside the earth
Luster Describes how light bounces off a mineral
Streak The color of the powder left when a mineral is rubbed across a white tile
Hardness How easily a mineral can be scratched
Color Most minerals come in just one color (quartz comes in many colors)
Created by: Rebekah Bowles