0
Integrated Science   Unit 4, Chapter 12
12.1 Two Types of Waves:A transverse wave has its oscillations perpendicular to the direction the wave moves.A longitudi...
Longitudinal WaveThe wave we see here is a longitudinal wave.The medium particles vibrate parallel to the motion of the ...
Transverse WavesThe difference between the two types:                                         5
12.1 Frequency, Amplitude and            Wavelength
12.2 Graphs of Harmonic MotionKey Question:How do waves move and interact with things?
*Wave Shapes *PlaneWaves- a wave that has crests all in a straight line.
*Wave Shapes *CircularWaves- a wave that has circular wave fronts that move outward from the center.
Plane Waves
Circular Waves
*What happens when a wave hits anobstacle? *Reflection *Refraction *Diffraction *Absorption
REFLECTION
REFRACTION
DIFFRACTION
ABSORPTION
Wave InteractionAll we have left to discover is how waves interact with each other.*When two waves meet while traveling ...
Constructive InterferenceLet’s consider two waves moving towards each other, both having a positive upward amplitude.Wha...
*Constructive Interference*They will ADD together to produce a greater amplitude.This is known as CONSTRUCTIVE INTERFERE...
Destructive InterferenceNow let’s consider the opposite, two waves moving towards each other, one having a positive (upwa...
*Destructive Interference*This time when they add together they will produce a smaller amplitude.This is know as DESTRUC...
Wave Interference                    26
Check Your Understanding Which points will produce constructive interference and  which will produce destructive interfer...
Your Turn:    Create a graphic organizer using the following terms:1.    Reflection2.    Refraction3.    Diffraction4.   ...
Ch 12.2 Waves in Motion ppt
Ch 12.2 Waves in Motion ppt
Ch 12.2 Waves in Motion ppt
Ch 12.2 Waves in Motion ppt
Ch 12.2 Waves in Motion ppt
Upcoming SlideShare
Loading in...5
×

Ch 12.2 Waves in Motion ppt

3,745

Published on

Types of waves
Types of wave interactions

Published in: Education
0 Comments
2 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
3,745
On Slideshare
0
From Embeds
0
Number of Embeds
5
Actions
Shares
0
Downloads
171
Comments
0
Likes
2
Embeds 0
No embeds

No notes for slide

Transcript of "Ch 12.2 Waves in Motion ppt"

  1. 1. Integrated Science Unit 4, Chapter 12
  2. 2. 12.1 Two Types of Waves:A transverse wave has its oscillations perpendicular to the direction the wave moves.A longitudinal wave has its oscillations in the same direction as the wave moves.
  3. 3. Longitudinal WaveThe wave we see here is a longitudinal wave.The medium particles vibrate parallel to the motion of the pulse.This is the same type of wave that we use to transfer sound. show tuning fork demo 4
  4. 4. Transverse WavesThe difference between the two types: 5
  5. 5. 12.1 Frequency, Amplitude and Wavelength
  6. 6. 12.2 Graphs of Harmonic MotionKey Question:How do waves move and interact with things?
  7. 7. *Wave Shapes *PlaneWaves- a wave that has crests all in a straight line.
  8. 8. *Wave Shapes *CircularWaves- a wave that has circular wave fronts that move outward from the center.
  9. 9. Plane Waves
  10. 10. Circular Waves
  11. 11. *What happens when a wave hits anobstacle? *Reflection *Refraction *Diffraction *Absorption
  12. 12. REFLECTION
  13. 13. REFRACTION
  14. 14. DIFFRACTION
  15. 15. ABSORPTION
  16. 16. Wave InteractionAll we have left to discover is how waves interact with each other.*When two waves meet while traveling along the same medium it is called INTERFERENCE. 21
  17. 17. Constructive InterferenceLet’s consider two waves moving towards each other, both having a positive upward amplitude.What will happen when they meet? 22
  18. 18. *Constructive Interference*They will ADD together to produce a greater amplitude.This is known as CONSTRUCTIVE INTERFERENCE. 23
  19. 19. Destructive InterferenceNow let’s consider the opposite, two waves moving towards each other, one having a positive (upward) and one a negative (downward) amplitude.What will happen when they meet? 24
  20. 20. *Destructive Interference*This time when they add together they will produce a smaller amplitude.This is know as DESTRUCTIVE INTERFERENCE. 25
  21. 21. Wave Interference 26
  22. 22. Check Your Understanding Which points will produce constructive interference and which will produce destructive interference?  Constructive G, J, M, N  Destructive H, I, K, L, O 27
  23. 23. Your Turn: Create a graphic organizer using the following terms:1. Reflection2. Refraction3. Diffraction4. Absorption Explain what the term means. (use your own words) Draw a picture to represent what happens. List Examples
  1. A particular slide catching your eye?

    Clipping is a handy way to collect important slides you want to go back to later.

×