🧩 Earth Science Unit Review: The Great Crossword Challenge

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Across
  1. 2. The sphere that contains all of Earth’s water.
  2. 7. The metal found in the core along with iron.
  3. 10. The mixture of gases (mostly Nitrogen and Oxygen) surrounding Earth.
  4. 14. The process of breaking down rocks into smaller pieces.
  5. 15. Rocks made from layers of sand, shells, and pebbles.
  6. 17. The squeezing of sediment layers by the weight above them.
  7. 19. Core The solid, hottest ball of metal at the very center of the Earth.
  8. 20. The sphere that includes every living thing on the planet.
Down
  1. 1. The sphere made of all solid rocks, minerals, and landforms
  2. 3. The movement of heat in the mantle that moves tectonic plates.
  3. 4. The thinnest, outermost layer of the geosphere.
  4. 5. Core The layer made of liquid iron and nickel that creates our magnetic field.
  5. 6. The process of sediment settling in layers.
  6. 8. The movement of sediment from one location to another.
  7. 9. Rocks formed from the cooling and hardening of magma.
  8. 11. Rocks formed by the "big squeeze" of intense heat and pressure.
  9. 12. Molten rock found underneath the Earth’s surface.
  10. 13. The process of minerals "gluing" sediments together.
  11. 16. Molten rock that has erupted onto the Earth's surface.
  12. 18. The thickest layer of Earth, where convection happens.