Across
- 2. / motion of charged particles
- 7. / chemical substance changes because of the addition of oxygen
- 9. / force exerted by surfaces when objects are in contact
- 13. /material through which electrical charges
- 14. / tightly packed a substance's molecules
- 15. /maximum distance the particles
Down
- 1. / Energy being used, in motion
- 3. / requires a medium through which to travel
- 4. /parallel to the direction in which the wave travels
- 5. /combination of two or more electrochemical
- 6. / tendency of an object to resist any change
- 8. / energy stored between the particles
- 10. / basic SI unit of energy
- 11. / force that pulls objects toward each other
- 12. / unit of measurement