4th - Energy
Across
- 10. when one form of energy changes to another
- 12. the “push” that makes electric currents move through a circuit
- 13. heat energy that is created by molecules moving quickly
- 14. how high or low a sound is
- 15. the distance between one wave crest and the next crest; or one wave trough to the next trough
- 17. the ability to do work
- 18. a moving pattern of high and low pressure waves, or vibrations
- 19. the degree of hotness or coldness that is measured with a thermometer; it measures how fast the molecules are moving in the object
- 20. stored energy; or energy at rest
Down
- 1. the energy of moving parts
- 2. form of energy that travels in waves; it can be seen with the human eye
- 3. when light bends as it passes through an object
- 4. energy that is heard and is made by vibrations
- 5. energy that is cause by the flow of electrons and travels in circuits
- 6. a special type of glass, plastic, or crystal that bends light
- 7. when light creates another type of energy, usually heat
- 8. a rapid back and forth movement that produces sound
- 9. energy in motion
- 11. when light bounces off an object
- 16. the measurement of how loud or soft a sound is