Develop and use a model to compare and contrast how light and sound waves are reflected, refracted, absorbed, diffracted or transmitted through various materials. (Clarification statement: Include echo and how color is seen but do not cover interference and scattering.)
Ask questions to develop explanations about the similarities and differences between electromagnetic and mechanical waves. (Clarification statement: Include transverse and longitudinal waves and wave parts such as crest, trough, compressions, and rarefactions.)
Develop and use a model (e.g., simulations, graphs, illustrations) to predict and describe the relationships between wave properties (e.g., frequency, amplitude, and wavelength) and energy.
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Q 1/10
Score 0
Electromagnetic waves travel fastest in a
30
solid
vacuum
gas
liquid
Q 2/10
Score 0
Why is that, during a thunderstorm, the flash of lightning is seen before the thunderclap is heard?
30
Sound travels faster than light
Light travels faster than sound
The eye is more sensitive than the ear
The lightning is produced first before the thunder
10 questions
Q.
Electromagnetic waves travel fastest in a
1
30 sec
S8P4e
Q.
Why is that, during a thunderstorm, the flash of lightning is seen before the thunderclap is heard?
2
30 sec
S8P4d
Q.
Which of these labels shows the wavelength of this transverse wave?
3
30 sec
S8P4a
Q.
Which part of the electromagnetic spectrum can we see with our eyes?
4
30 sec
S8P4d
Q.
Light rays are shone at one face of a glass block. When would the light rays be refracted into the glass with no change in the direction of travel?
5
30 sec
S8P4d
Q.
Which of these experiments could show that infrared waves transfer thermal energy?
6
30 sec
S8P4b
Q.
Scientists use telescopes to make distant objects appear closer. Some parts of a telescope are shown below. Which of the following best describes how the objective lens of this telescope helps a scientist observe the moon?
7
30 sec
S8P4g
Q.
When a bat searches for prey at night, it makes sounds as it flies, and it uses the sounds’ echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using —
8
30 sec
S8P4d
Q.
Which of the electromagnetic spectrum could be used for cell phone signals?
9
30 sec
S8P4c
Q.
If the wavelength of a wave increases, what happens to the amplitude of that wave?
