Topic 6

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Across
  1. 3. experiment
  2. 9. operate a machine
  3. 12. genetic engineering
  4. 14. measure
  5. 15. acceleration
  6. 16. phenomenon
  7. 17. hypothesis
Down
  1. 1. "vote for me, president of United States I am"
  2. 2. who is the American president?
  3. 3. survey
  4. 4. physicist
  5. 5. friction
  6. 6. technology
  7. 7. measurement
  8. 8. velocity
  9. 10. invent
  10. 11. property
  11. 13. substance