8th Science

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Across
  1. 3. A variable in an experiment that is a measurable outcome.
  2. 6. A scientist who studies the Earth and it's processes.
  3. 11. The upper part of the mantle, composed mostly of molten materials.
  4. 12. A variable in an experiment that is changed on purpose to see a result.
  5. 15. An educated guess based on prior knowledge.
  6. 16. How compact a substance is based on it's volume and mass.
Down
  1. 1. Types of energy waves produced by Earthquakes.
  2. 2. The breakdown of rocks into smaller pieces by natural processes.
  3. 4. Types of rocks that used to be another type, formed from intense heat and pressure under Earth's crust.
  4. 5. Types of rocks formed from the cooling and solidification of magma or lava.
  5. 7. The outermost layer of the Earth.
  6. 8. Earth's crust is broken up into these giant plates, that slowly move.
  7. 9. The study of the Earth.
  8. 10. Types of rocks formed from the deposition of bits and pieces of sediments of other rocks and materials, in layers.
  9. 13. The movement of sediment by natural processes.
  10. 14. The settling down and placement of sediment by natural processes.