Lesson 2: Amazing Inventions

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Across
  1. 2. creator, inventor, problem solver
  2. 4. very smart
  3. 6. guess, tell what will happen next
  4. 7. make, build
  5. 8. test, try something out
  6. 9. change and develop over time
Down
  1. 1. a change made to something
  2. 3. positive outcome, win, accomplishment
  3. 5. a need, something that must be had
  4. 7. easy, at hand, useful