General Knowledge

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Across
  1. 6. The force that pulls us towards Earth
  2. 7. Cannot be scratched by anything other than itself
  3. 9. Massive sporting event held every four years
  4. 10. Special object that attracts steel or metal
Down
  1. 1. Process plants use to make food
  2. 2. Famous scientist, known for E=MC2
  3. 3. Egyptians built these giant triangular structures.
  4. 4. The gas we need to survive
  5. 5. The name of the largest rainforest
  6. 8. Largest planet in our solar system