The Rock Cycle and Earth's Resources

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