Across
- 2. sound is generated by _____ particles (usually air)
- 3. the force that opposes motion or attempted motion
- 4. _____ energy is the energy found in objects that are in motion
- 7. Which of these light waves has more energy: ultraviolet or infrared?
- 9. the acronym for the colors in visible light
- 14. In a closed electric circuit, _____ are moving
- 16. _____ energy is the energy found in objects that have the capacity for motion
- 18. In this course, how many types of kinetic energy have we discussed?
- 19. the force that a solid surface exerts in order to prevent an object from breaking through it
Down
- 1. _____ in the universe has energy
- 5. anything on the _____ spectrum is categorized as light
- 6. a push or a pull
- 8. Are radio waves categorized as sound or as light?
- 10. word that means "large-scale"
- 11. the total amount of energy in the universe is _____
- 12. an object that is experiencing only the force of gravity is in _____ fall
- 13. objects that are in _____ have kinetic energy
- 15. molecules at a high temperature move _____ than molecules at a low temperature
- 17. we have not mentioned this person in a while