6th Science Unit 5 Vocab crossword -- Part 1

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Across
  1. 4. a chain, or line, of mountains connected together
  2. 5. cracks in the Earth caused by the movement of its plates
  3. 9. a ridge under the ocean that spreads out sideways as magma wells up along its center
  4. 10. a scale that rates earthquakes from I to XII based on the effects of the shaking and the damage caused
  5. 11. the impression or remains of an ancient plant or animal that has been hardened and preserved in a rock
  6. 13. rock that is formed when magma escapes from inside the Earth, cools, and hardens
  7. 15. the movement of particles of soil, sand, or rock by wind or water to a new location
  8. 16. a mineral from which we can extract a useful substance, such as a metal
  9. 17. the gradual wearing down of rock by wind or water
  10. 18. a mineral or organic stone that is chosen to be cut, polished, and used, typically in jewelry
  11. 19. molten rock at and on the surface of the Earth
Down
  1. 1. a scale that rates earthquakes from 1 to 10, based on the power of the vibrations that travel through the ground when the earthquake occurs
  2. 2. any of the seven large landmasses into which the Earth is divided
  3. 3. rock that has been changed by heat or pressure
  4. 6. rock made from particles of sand, mud, and other debris that have settled on the seabed and been squashed down to form hardened rock
  5. 7. an area where two plates collide and one slips under the other, forming volcanoes & deep trenches
  6. 8. molten rock inside the earth
  7. 12. an underground shockwave that travels outward from the focus of an earthquake
  8. 14. the layers of rock found in the Earth's crust