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Science
Minerals
| Question | Answer |
|---|---|
| Nonliving natural substances that make up rock are called | mineral |
| Minerals can be identified by their___________________ color, __________________, luster and streak | properties, hardness |
| Minerals are building blocks of | rocks |
| Minerals offer clues about how a rock | forms |
| A rock that forms from melted rock is __________________ rock. | Igneous |
| Melted rock, called ___________________, cools and hardens to form igneous rock. | magma |
| Igneous rock are classified by how quickly they ______________ and __________ and the size of the mineral grains that form. | cools and hardens |
| Layers of substances are pressed and cemented together to form | sedimentary |
| Scientists compare the position of layered rocks to find a rock's ____________________ age. | relative |
| A rock layer and any _____________________ in that rock have the same relative age. | fossils |
| Heat and pressure form ______________________ rocks. | metamorphic |
| Metamorphic rocks can form from __________________ and ________________ rocks, or from other metamorphic rocks. | igneous, sedimentary |
| Metamorphic rock are different than their original form because their __________________ change. | chemical |
| Rocks change from one form to another in the __________________. | rock cycle |
| People use rocks and minerals as | resources |
| Rocks and minerals are used for _________________ schools and other structures, and to make steel, aluminum products, silicon chips, and _____________. | building, jewelry |
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agreene169