Science and math

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Across
  1. 3. any number raised to the 2nd (2) power
  2. 5. a push or pull on an object
  3. 6. this symbol x
  4. 8. has a definite volume and no definite shape
  5. 11. answer when any number is raised to a one (1) power
  6. 12. this symbol รท
  7. 14. this symbol -
  8. 15. any number raised to the 3rd (3) power
  9. 17. measure of the force of gravity pulling on an object
Down
  1. 1. the force pulling you towards the earth
  2. 2. answer when any number is raised to a zero (0) power
  3. 4. has a definite shape and definite volume
  4. 6. has weight and takes up space
  5. 7. this symbol +
  6. 9. a little raised number telling us how many time another number should be multiplied by itself
  7. 10. does not have a definite volume or shape
  8. 13. the amount of matter in an object
  9. 16. answer when the base number (large number) is zero (0)