Rocks and Minerals from Epic!

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Across
  1. 3. Sedimentary rocks often contain __ like the fish on page 30.
  2. 4. Metamorphic rock is made of rock that hasn't melted, but the particles have been __. 28
  3. 6. The picture on page 17 is of a __.
  4. 8. One of the two main substances in the core of the Earth. 16
  5. 11. Rocks that come from space. 11
  6. 14. Because the iron in our core flows and spins, the Earth has a giant __ __. 19
  7. 16. Sedimentary rocks usually form into __. 29
  8. 20. The part of history that ended about 6000 BC. 8
  9. 21. Despite being the hottest part of our planet, the core is still solid due to the immense __ it's under. 18
  10. 24. Plate __ help keep the process of recycling going.
  11. 27. The oldest rock on the planet was found in northwest __. 26
  12. 29. The layer of the Earth just below the crust. 14
  13. 30. The middle layer of the Earth is the __. 16
  14. 31. The arches on page 32 are from the state of __.
  15. 32. If rain breaks down rock, we say it's __. 40
  16. 33. The largest volcano in the world. 24
  17. 34. Coal is made mostly of __. 8
  18. 35. The mineral pictured on page 7.
Down
  1. 1. The glass in windows is composed mostly of the mineral __. 6
  2. 2. This tallest mountain on the Earth was formed by tectonic movement. 38
  3. 5. The metamorphic rock on page 27.
  4. 7. All parts in a mineral have the same chemical __. 7
  5. 9. One of the two main substances in the core of the Earth. 16
  6. 10. Granite is made mostly of quartz and __. 8
  7. 12. The Earth is one huge __. 5
  8. 13. Limestone is made mostly of __. 8
  9. 15. In the mantle, most rock is so hot that it is __ like tar. 15
  10. 17. The type of rock forming on page 23.
  11. 18. This word means "all lands." 34
  12. 19. To reach the center of the Earth, you need a hole __ miles deep. 14
  13. 20. The picture on page 20 is of a __.
  14. 22. This phenomenon has helped us understand what the inside of our planet must look like. 19
  15. 23. Mount Rushmore is made of __. 25
  16. 25. The crust is the thinnest near the __ floor. 21
  17. 26. Continents on Earth are moving about 2 __ a year.
  18. 28. The only layer of the Earth that mankind has explored. 14
  19. 30. A Russian city that was almost hit by a meteor in 2013. 11
  20. 35. If a metamorphic rock melts, it can turn back into __ rock. 29