The Rock Cycle and Earth's Resources

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Across
  1. 3. A type of rock that forms from compacted and cemented layers of sediment
  2. 4. A process that causes particles of sediment to be stuck toether
  3. 6. Each mineral has __________ of a particular shape that can be used to identify the mineral.
  4. 10. Squeezing layers of sediment together because of pressure
  5. 11. Rock that forms when molten rock cools and hardens
  6. 13. Igneous rock that forms from lava on Earth's surface
  7. 15. A series of changes that rock continually undergoes
  8. 16. The way a mineral reflects light
  9. 17. A solid that occurs naturally and has a definite chemical composition and structure
Down
  1. 1. Pieces of rock, shells, and small grains of minerals that are deposited in a new place
  2. 2. A type of rock formed from intense heat and pressure inside the Earth
  3. 5. Igneous rock that forms from magma inside Earth
  4. 7. A material that gives off energy when burned. These formed millions of years ago from the remains of dead organisms.
  5. 8. A scale that measures the hardness of a mineral.
  6. 9. The mass of a sample of substance divided by its volume
  7. 12. A physical property of a mineral that is not very reliable for identifying it because many minerals exist in more than one _____.
  8. 14. A naturally occurring material that is made up of one or more minerals
  9. 17. Melted rock below Earth's surface