Tectonics

12345678
Across
  1. 3. envelope of gases surrounding the earth or another planet.
  2. 4. thin shell on the outside of Earth, accounting for less than 1% of Earth's volume.
  3. 6. rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at the Earth's surface
  4. 7. process of wearing or being worn by long exposure to the atmosphere.
  5. 8. Deep within the Earth it is so hot that some rocks slowly melt and become a thick flowing substance called magma.
Down
  1. 1. rocks arise from the transformation of existing rock to new types of rock, in a process called metamorphism.
  2. 2. two blocks of the earth suddenly slip past one another.
  3. 5. rocks are formed from the solidification of molten rock material.