Rocks and minerals
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How they are formed
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Rocks are classified as igneous, metamorphic or sedimentary according to
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Minerals
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All rocks are composed of
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Streak
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Which property is indicated by he color of the powder each leaves on the ceramic tile?
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Hardness is a valuable property because you can make tools out of them
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Explain why hardness is a valuable property of some minerals
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They sparkle-luster
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Identify one physical property other then hardness, that may add to the beauty of a gemstone
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They cover it with paper so I doesn't get scratched
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When diamonds are shipped to jewelry stores, they are individually wrapped in paper. Explain why the paper is needed to protect each diamond from damage
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It can make them weather away
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Identify one effect that acid rain can have on statues and monuments
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Melting and solidification
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Identify two processes most directly involved in the formation of an igneous rock
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Bubbles
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List one observation that shows a chemical change is occurring in the diagram
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Acid rain
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What environmental problem in New York State makes limestone a poor choice to use on the outside of a building
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Fossils are important to scientists because they can tell is a rock is a sedimentary rock
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Explain why fossils are important to scientists
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Were formed by different methods
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Even though limestone and marble have the same chemical makeup, they are classified as different rocks because they
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Igneous
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What type of rock forms directly from magma
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Cementation and metamorphism
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Identify two processes required for the formation of a sedimentary rock
