Vocabulary Practice - Earth Science

Edit Answers
12345678910111213141516171819202122232425262728293031323334353637383940
Across
  1. 3. An early theory of Earth's shape that was popular with many ancient civilizations
  2. 7. The softest mineral of all
  3. 9. A theory proposed by the ancient Greeks in 600BC
  4. 10. When one tectonic plate is forced under another
  5. 12. A measurement of how much matter fits into a given space
  6. 13. The movement of Earth's tectonic plates
  7. 16. How "shiny" a mineral is
  8. 18. Melted stone that is found above Earth's crust
  9. 19. The amount of space an object occupies
  10. 20. An early theory where the continents randomly move
  11. 21. Layer of the Earth that is made of solid metal
  12. 23. Type of rock formed by magma/lava cooling
  13. 27. Type of igneous rock that creates large crystals
  14. 28. Type of rock made by small pieces of rock being compressed/cemented together
  15. 30. The mineral that has caused the greatest amount of problems in our world's history
  16. 31. Type of sedimentary rock that is made by water evaporating and leaving precipitates behind
  17. 34. Melted stone that is found below Earth's crust
  18. 35. A type of boundary where two tectonic plates crash into each other
  19. 36. Small pieces of rock created by weathering and erosion
  20. 38. A type of boundary where two tectonic plates move away from each other
  21. 39. The largest layer of the Earth; made of molten rock
  22. 40. Type of igneous rock that cools off quickly
Down
  1. 1. The Earth's outermost layer
  2. 2. The expansion of the ocean's bottom casued by plates moving away from each other
  3. 4. Large slabs of stone that make up Earth's crust
  4. 5. A mineral's ability to resist being scratched
  5. 6. The ability of a mineral to glow in the dark when exposed to UV light
  6. 8. The remains of a living organism preserved in stone
  7. 11. A type of boundary where two tectonic plates slide past each other
  8. 14. Type of sedimentary rock that contains the remains of living organisms
  9. 15. The color left behind as a mineral is scraped on a piece of porcelain
  10. 17. German scientist who proposed the theory of Continental Drift
  11. 22. The specific way a mineral breaks
  12. 24. A layer of the Earth that is made of liquid metal
  13. 25. A theory that explains the Earth is made of several layers of rock that are separated by air
  14. 26. A type of rock created by extreme heat and pressure
  15. 29. The hardest mineral of all
  16. 32. An inorganic solid that is made from a pure chemical or element
  17. 33. The scientific name for Earth's crust
  18. 37. A branch of science that focuses on the different parts of the Earth and how they function