Across
- 5. small machine or tool that is useful
- 6. impolite, or having bad manners
- 7. by electricity
- 10. someone creates to solve a problem
- 11. place where scientists work and do experiments
- 14. or known because it is experienced often
- 15. make a sudden, loud sound
Down
- 1. sound, movement, or other sign that sends a message
- 2. test that a scientists do to answer their questions
- 3. to show that you like something
- 4. but not very often
- 8. in a sudden, uneven, or awkward way
- 9. very smart person
- 12. or likely to fall apart
- 13. unclear, or smeared