Across
- 2. My name is
- 3. physical bodies attracting each other with force
- 5. electro magnetic waves that carry energy
- 7. a unit of energy
- 10. subatomic particle of small mass with a negative charge
- 12. a substance that has mass and volume
- 14. device used to measure temperature
- 15. converting an atom or molecule into an ion
- 17. unit of frequency
- 18. my teacher calls himself
Down
- 1. subatomic particle with no charge
- 4. subatomic particle with a positive charge
- 6. distance divided by time
- 8. the flow of charge
- 9. a basic unit of matter
- 11. an object in motion
- 13. the rate of increase speed
- 16. rate of energy conversion