Wave Anatomy

advertisement
Wave Anatomy
DO NOW
9.15
• In your own words, define a wave. • Give examples when/how we see waves.
• Make connections from the Bill Nye video you watched for homework
What is a Wave?
A wave is a disturbance that travels through space or matter.
What do you notice about the movement of this water? In a wave what is actually "waving"?
1
Wave Anatomy
What causes a wave to form?
A wave can be described as a disturbance that travels through a medium from one location to another location.
Anatomy of a WAVE
2
Wave Anatomy
The Anatomy of a Wave
Crest (C) is the point of maximum displacement
C
C
C
The Anatomy of a Wave
The Trough (T) is the point of minimum displacement
T
T
3
Wave Anatomy
The Anatomy of a Wave
­­­­­­­­­ marks the equilibrium/rest position
The Anatomy of a Wave
Amplitude (y) is the distance away from rest position
4
Wave Anatomy
Wavelength
Wavelength is defined as the distance it takes a wave to complete one up and down motion or vibration. It can be measured in various places along the wave. Medium
What a wave travels through.
What are some examples of a medium?
•
•
•
•
•
•
Matter
Space Water Air
Slinky Rope, etc.
5
Wave Anatomy
REVIEW
Wavelength
Label the following wavelengths by dragging the arrow line. From Crest to Crest
From Trough to Trough
From Starting Point to Ending Point along the Equilibrium Position.
6
Wave Anatomy
World Record ­ stadium Wave
http://www.cleanvideosearch.com/media/action/yt/watch?videoId=H0K2dvB­7WY
Stadium wave Simulation
http://interactives.ck12.org/simulations/physics/stadium­wave/app/index.html?
referrer=ck12Launcher&backUrl=http://interactives.ck12.org/simulations/
7
Download