Reach 4b revision 1

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Across
  1. 2. when a natural thing breaks down to nothing
  2. 5. a person who goes into space
  3. 12. weather that is wet and hot
  4. 14. to put a number on how tall something is
  5. 15. a group of countries ruled by one leader
  6. 16. people who have culture and language
  7. 18. what we call Stella when she flies
  8. 21. to have something do what you want
  9. 22. like a very tiny seed
Down
  1. 1. a person who studies history
  2. 3. keep it for the future
  3. 4. something that you care a lot about
  4. 6. new inventions that make life easier
  5. 7. a policy that has been made law
  6. 8. standing still then moving very fast
  7. 9. try something and see what happens
  8. 10. the amount an object can hold
  9. 11. something that can slow down movement
  10. 13. shown on a map to tell you where to go
  11. 17. the people of one country make a new home
  12. 18. after accelerating we can measure this
  13. 19. what you use to pay for things
  14. 20. big sphere floating in space