vocabulary 4th grade

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Across
  1. 3. Use your ___ to think of a new kind of car.
  2. 5. I ___ to find a solution, but I couldn't.
  3. 7. Mobile phones need a ___ to work.
  4. 8. People invented the ___ to help move things.
  5. 9. Have you got a phone that I can ___?
Down
  1. 1. Please ___ down your pencils.
  2. 2. The box is so heavy that I can't ___ it.
  3. 3. Cars and planes are amazing ___.
  4. 4. I have got a ___. I've lost my keys!
  5. 6. I have a great ___. Let's go shopping!