Waves – Interactive Online Activities - Weebly
Waves – Interactive Online Activities
Answer using complete sentences in your notebook.
What is a Wave?
Intro:
1. What is a wave?
2. What concept are the animations supposed to help explain?
Demo:
1. Describe the difference in motion of waves in different medium densities.
2. What type of wave is produced with up and down motions?
3. What type of wave is produced with motions from left to right?
4. Which direction control would produce a wave like the ones in the ocean?
Water Waves:
1. What is a repeating disturbance in water called?
2. Describe the motion of the two dark blue circles.
Frequency
Intro:
1. Define wave frequency.
2. What do the two waves have in common? What is different?
Demo 1:
1. What is the frequency of the bounces when the number of bounces per second is changed. (Create a table showing the frequencies at 1,2,3,4,5 bounces.)
Demo 2:
1. How is the frequency of a pendulum defined?
(Set up a data table to record answers for the next two questions)
2. Release the pendulum from the first line to the left. What is the amplitude, frequency and period?
3. Release the pendulum from the second line on the left. What is the amplitude, frequency and period?
Examples:
1. What is the relationship between frequency and wavelength?
2. Which has a higher frequency, television or FM radio?
Wavelength
Intro:
1. How is wavelength measured?
Measurement:
1. What is the wavelength of the three waves? (Record answers in a table format)
Light Spectrum
1. What is the wavelength of these colors? (Record answers in a table format)
Red, orange, yellow, green, blue, violet
Amplitude
Intro:
1. How is amplitude related to energy?
Demo:
1. Draw sketches of the waves with amplitudes of 2,4,6 and 8 units.
Application:
1. How does amplitude relate to loudness?
2. What is another way to describe “loudness”?
3. How many dB is normal conversation?
4. How many dB is a jet engine?
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