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12 Cards in this Set
- Front
- Back
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FOLD
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When plates move toward each other it can cause rock layers
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ROCK CYCLE
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continuous changing of rocks from one form to another
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LAVA
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Molten rock that reaches the Earth's surface
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MAGMA
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Melted rock inside the Earth
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COMPACTION
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Pressure from upper layers pushing sediments together.
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MAGMA
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Magma is less dense and pushes up toward the surface.
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COMPOSITE VOLCANO
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1. Explosive
2. Thick lava 3. Tall/pointy 4. From 2 plates colliding |
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CINDER VOLCANO
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1. Smallest type
2. Explosive 3. Crater forms on top 4. Shatters rocks into cinders |
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SHIELD VOLCANO
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1. Lava flows to form small hill
2. Looks like a shield 3. Forms when plates separate |
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INTRUSIVE IGNEOUS ROCK
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Rock formed below the Earth's surface
1. Magma that cools 2. Coarse graind/large crystals |
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EXTRUSIVE IGNEOUS ROCK
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Formed on Earth's surface
1. Lava that cools 2. Fine grained/small crystals |
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MINERAL PROPERTIES
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1. LUSTER- Reflects light
2. STREAK- rub/observe color 3. FRACTURE- Break/edge 4. HARDNESS- Scratch test |
