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Definition
| Rock that was once melted but has cooled and hardened. |
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Definition
| Rock that is formed from material that has settled into layers. The layers are squeezed together until they harden into rock. You are most likely to find fossils in this kind of rock. |
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Definition
| The process by which one type of rock is changed into another type of rock. |
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Term
| Sedimentary Rock-Rock Cycle |
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Definition
| Wind and water break up metamorphic, sedimentary, and igneous rocks to form this kind of rock. |
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Term
| Metamorphic Rock-Rock Cycle |
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Definition
| When sedimentary, metamorphic, and igneous rocks are put under heat and pressure this type of rock is formed. |
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Definition
| When metamorphic, igneous, and sedimentary rocks melt, this type of rock is formed. |
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Term
| Metamorphic Rock-Rock Cycle |
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Definition
| Heat and pressure can change igneous rocks into this type of rock. |
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Definition
| What's left of a plant or animal that lived long ago. |
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| The shape of a plant or animal left in sediments when the rock formed. |
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Definition
| Formed when mud or minerals fill a mold. |
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Definition
| Molds of leaves or other thin objects. |
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Definition
| These help scientists learn how large a dinosaur was and whether it walked on two legs or four. |
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Definition
| The solid outer layer of the Earth. |
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Definition
| The iron layer at the center of the Earth. |
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Definition
| A solid material made of minerals. |
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Definition
| The Earth's hot, middle layer of soft rock. |
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Definition
| A solid natural object that has never been alive. |
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Term
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Definition
| Rock that has been changed by heat and pressure |
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