1. Waves

2. What is a Wave?

3. Longitudinal Wave

4. Transverse Wave

5. Clickers!
What does a wave carry?
Energy
Matter
Particles
Atoms

6. Mechanical Waves

7. Electromagnetic Waves

8. Clickers!
A transverse wave travels _______ to the direction of the wave’s motion.
at various angles
longitudinal
parallel
perpendicular

10. Amplitude and Energy

11. Transverse vs Longitudinal Amplitude/Energy

12. A wave’s energy is related to its: Wavelength Frequency Amplitude
Clickers!
A wave’s energy is related to its:
Wavelength
Frequency
Amplitude
Length

13. Electromagnetic Spectrum

14. Quick Check!
The electromagnetic spectrum is based on
Amplitude
Frequency
The line of origin
Wavelength

15. Frequency

16. Frequency and Wavelength’s Relationship

17. Resonance

18. Color and Pitch

19. Straw Kazoo Bite down on one end of the straw.
With scissors, cut a “V” shape at the end you bit down on.
Questions
What does the initial pitch sound like?
What happens to the pitch as the length of the straw decreases? Why does it happen?

20. The Eye

21. The Eye Continued…

22. The Ear

23. The Ear

24. Reflection

25. Refraction

26. Refraction occurs when the Speed of a wave changes
Quick Check
Refraction occurs when the
Speed of a wave changes
Wavelength of a wave changes
Amplitude of a wave changes
Energy of a wave increases.

27. Diffraction

28. Quick Check Diffraction is The bending of light waves around a barrier
When a wave bounces off an object
The ability to form a new wave
The number of waves that pass a point per second.

29. Wave Interference

30. Doppler Effect