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Key concepts
KEY CONCEPTS OF ROCK FORMATIONS
| Term | Definition |
|---|---|
| Key Concept 1 | Rocks can form in different ways. This causes them to be different types. |
| Key Concept 2 | When sediment is compacted and cemented together, it forms sedimentary rock. |
| Key Concept 3 | When magma cools, it hardens to form igneous rock. Matter gets transformed by energy, but the same matter is still present. |
| Key Concept 4 | Sediment forms when any type of rock is weathered, a process driven by energy from the sun. |
| Key Concept 5 | Sediment forms when any type of rock is weathered, a process driven by energy from the sun. |
| Key Concept 6 | Magma forms when any type of rock is melted, a process driven by energy from Earth’s interior. |
| Key Concept 7 | Plate motion moves rock formations. |
| Key Concept 8 | Subduction moves rock down, below Earth’s outer layer. |
| Key Concept 9 | Uplift moves rock upward toward Earth’s surface. |
| Key Concept 10 | Uplift and subduction can expose rock formations to different energy sources, which can transform them. |
| Key Concept 11 | Any type of rock can transform into any type of rock because of plate motion. |