Properties of Waves
Presentation
•
Other
•
7th Grade
•
Practice Problem
•
Hard
Nicholas Klepfer
Used 9+ times
FREE Resource
3 Slides • 5 Questions
1
© Kesler Science, LLC
Properties of Waves
Properties (cont.)
Speed
•How far the wave travels in
a unit of time, or distance
divided by time
•The speed, wavelength, and
frequency of a wave are
related to each other by
mathematical formulas.
•Unit for speed is meters per
second, or m/s
Speed = Wavelength x Frequency
or
Frequency = Speed / Wavelength
or
Wavelength = Speed/ Frequency S
W
F
2
© Kesler Science, LLC
Properties of Waves
A wave on a lake has a wavelength of 0.5 m and a frequency of 2 Hz
(2 Hz = 2 per second, or 2/s).
To find the speed of the wave, use this formula:
Speed = Wavelength x Frequency
Speed = 0.5 m x 2 Hz
= 0.5 m x 2/s
= 1 m/s
Speed Problem
3
Think About It
© Kesler Science, LLC
Explain why foam is a good material choice for
exercise, yoga, stunt, and gymnastics mats.
4
Multiple Choice
To find the speed of a wave I need what 2 pieces of information?
wavelength and frequency
amplitude and frequency
amplitude and wavelength
crest and trough
5
Fill in the Blanks
A wave has a wave length of .25 m and frequency of 3 hz. What is the speed of the wave?
Type answer...
6
Fill in the Blanks
A wave is travelling at 4 m/s with a wave length of .25 m. What is the frequency?
Type answer...
7
Fill in the Blanks
A wave is travelling at 3 m/s and has a wavelength of .5 m. What is the frequency of the wave?
Type answer...
8
Fill in the Blanks
A wave has a frequency of 4 hz and a speed of 1.2 m/s. What is the wavelength?
Type answer...
© Kesler Science, LLC
Properties of Waves
Properties (cont.)
Speed
•How far the wave travels in
a unit of time, or distance
divided by time
•The speed, wavelength, and
frequency of a wave are
related to each other by
mathematical formulas.
•Unit for speed is meters per
second, or m/s
Speed = Wavelength x Frequency
or
Frequency = Speed / Wavelength
or
Wavelength = Speed/ Frequency S
W
F
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