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Rock/Mineral-Gr. 3

Rock and Minerals-Gr. 3

QuestionAnswer
mineral An object that is solid, is formed in nature, and has never been alive
rock A solid made of minerals
crust The solid outside layer of the Earth
mantle The middle layer of the Earth
igneous rock A rock that was once melted rock but has cooled and hardened
sedimentary rock A rock formed from material that has settled into layers and been squeezed until it hardens into rock
metamorphic rock A rock that has been changed by heat and pressure
rock cycle The process in which one type of rock changes into another type of rock
fossil Something that has lasted from a living thing that died long ago
properties of minerals hardness, color, shape, luster and streak
streak Color of mineral in powdered form
hardness Measure of resistance to scratching
luster How much surface reflects light
two types of fossils mold and cast
Created by: nancydaincooper
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