1. Investigation Five: Energy Waves
Book one: energy
Investigation Five:
Energy Waves

2. Focus questions How are waves involved in energy transfer?
How does light travel?
How can you make a motor run faster using solar cells?

3. Get your Plicker’s answer pages ready!
Review! Review! Review!
Get your Plicker’s answer pages ready!

4. A repeating pattern of motion
1. Wave -
A repeating pattern of motion

5. An instrument that displays electric pulses as a wave form on a screen
2. oscilloscope -
An instrument that displays electric pulses as a wave form on a screen

6. A back-and-forth motion
3. oscillation -
A back-and-forth motion

7. The speed at which something oscillates
4. frequency -
The speed at which something oscillates

8. 5. Wavelength -
The distance from the center of one peak to the center of the next peak

9. 6. Sound Source -
An object or material that vibrates in a way that send oscillations through something

10. Sound waves that move back and forth through vibrations
7. Compression -
Sound waves that move back and forth through vibrations

11. Wave Diagram

12. The height of the peaks in a wave form
8. Amplitude -
The height of the peaks in a wave form

13. The low point on a wave form
9. trough -
The low point on a wave form

14. The high point on a wave form
10. crest -
The high point on a wave form

15. A set of events or actions that repeats
11. cycle -
A set of events or actions that repeats

16. Wave Diagram

17. An electromagnetic wave of light
12. ray -
An electromagnetic wave of light

18. 13. reflect -
To bounce back

19. The bouncing of light rays off an object
14. reflection -
The bouncing of light rays off an object

20. To change the speed and direction of an object
15. refract -
To change the speed and
direction of an object

21. The bending of light rays
16. refraction -
The bending of light rays

22. A shiny surface that reflects light
17. Mirror -
A shiny surface that reflects light

23. Refractions Display

24. 18. Solar Cell -
A silicon cell that converts sunlight into electricity to be used as a power source

25. Experiments! Solar Energy Wave Formation Lights and Mirrors
Mr. Kapusta’s
Room
Mr. Croft’s
Mrs. Smith’s
Solar
Energy
Wave
Formation
Lights and Mirrors

26. Focus questions How are waves involved in energy transfer?
How does light travel?
How can you make a motor run faster using solar cells?