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