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Rocks and Minerals
Ricks and Minerals
Question | Answer |
---|---|
What are the 3 properties used to identify a mineral. | color, hardness, streak |
What is the color of the powder left behind by a mineral when it is rubbed agaisnt a rough whate wall? | streak |
What is an imprint fossil? | diinosaur tracks |
What type of rock is formed by a volcano? | Igneous |
Plant fossils are not as common as animal fossils because the soft parts of plants are easily what? | destroyed |
What rock was once melted and then cooled? | Igneous |
What object is solid, formed in nature and never been alive? | minerals |
What are remains of a living thing that died long ago | fossils |
What rock has been changed by heat and pressure? | metamorphic |
What rock is formed from material that has settled into layers? | Sedimentary |
What is a naturally formed solid made of one or more minerals | rock |
What is not a mineral? | granite |
What is formed when mud or minerals fill a mold | cast |
What are the 3 layers of the earth | crust, mantle , core |