Investigation Five: Energy Waves

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Presentation transcript:

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

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

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

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

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

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

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

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

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

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

Wave Diagram

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

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

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

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

Wave Diagram

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

13. reflect - To bounce back

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

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

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

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

Refractions Display

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

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

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