Vocabulary

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Across
  1. 1. scientific study of matter and energy
  2. 3. very large
  3. 4. an item that is more artificial than natural
  4. 6. an organization that has a particular goal
  5. 8. events in order
  6. 10. a very large area of land, sea, or sky
Down
  1. 2. shared or worked on by multiple countries
  2. 5. what the surface of land looks like
  3. 7. a message sent from one place to another
  4. 9. someone who shows no care for others