Energy Flashcards
1. Energy cannot be created nor destroyed
a. Law of conservation of energy
2. Matter cannot be created nor destroyed
a. Law of conservation of matter
3. Stored energy, like a skateboarder at the top of a ramp
a. Potential energy
4. The energy of motion
a. Kinetic energy
5. Burning, friction produces
a. Thermal energy
6. Vibrations, thunder produces
a. Sound energy
7. Batteries, wood, gasoline are all
a. Chemical energy
8. Generators produce
a. Electrical energy
9. Simple machines and windmills are all
a. Mechanical energy
10. Energy is transferred by
a. Conduction, convection, and radiation
11. Energy transferred through direct contact
a. Conduction
12. Energy transferred in currents of liquids and gases
a. Convection
13. Energy transferred by waves through space
a. Radiation
14. These prevent the transfer of energy
a. Insulators
15. These help the transfer of energy
a. Conductors
16. These waves must move through solids, liquids, or gases
a. Mechanical waves
17. These waves can travel through empty space
a. Electromagnetic waves
18. The matter through which a wave travels is called a
a. Medium
19. The top of the wave
a. Crest
20. The top of the wave
a. The bottom of a wave
21. Wavelength
a. The distance between the crest of one wave, and the crest of the next
wave
22. The height of a wave
a. Amplitude
23. How many waves pass a given point in a given amount of time
a. Frequency
24. What determines the color of a light wave?
a. Frequency
25. We can separate sunlight into all different colors using a
a. prism