Lesson 27

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Across
  1. 2. soemthing you show to be true
  2. 5. a test that helps scientists answer their questions
  3. 6. something new that someone thinks up and creates
  4. 7. to search for and study information about a topic
  5. 9. things people use to help them do a job
Down
  1. 1. a small machine or tool that is useful
  2. 2. another word for strength
  3. 3. to get better at something
  4. 4. something that is known because it is experienced
  5. 8. to be run by electricity