sound waves
Use the Electromagnetic Spectrum model to answer the question. Write a sentence comparing the wavelengths of infrared light and green light.
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Infrared light and green light have the same range wavelength, making green light infrared.
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Infrared light has a longer wavelength than green light does. Green light has a shorter wavelength than infrared does.
Which characteristic or property determines whether light can be seen and if so what color it is?
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It depends on which colors the object is absorbing and reflecting.
Correct answers
wavelength
frequency
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wavelength or frequency
What is the most important difference between light and sound waves?
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Light waves don't need a medium to travel through, but sound waves do.
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Sound is a mechanical wave that moves through matter while light is able to move through empty space.
Contrast how a black and white object interact with light.
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Black objects absorb light and white objects reflect light.
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Black objects absorb most of the light energy that hits them while white object reflect most of the light that hits them.
Name and describe this phenomenon?
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the pencil is traveling through a medium that is more dense than air, causing it to refract in a different way.
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Refraction is when light changes direction when it moves from one transparent medium to another as it changes speed.
What happens if you shine all of the colors of the rainbow on to a single spot?
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The colors mix to produce white light
The colors cancel each other out and make black.
The colors mix to produce brown light.
Which wave property increases or decreases with light's intensity or brightness?
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The wavelength.
Correct answer
amplitude
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amplitude
Describe how dark glass or plastic used in an automobile sun shade does its job using light interaction vocabulary.
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The glass/plastic absorbs the heat preventing it from transmitting through the material and into the automobile.
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A tinted sunshade blocks some light by absorbing light so it transmits less light.
Which is the best scientific explanation for why these lollipops look orange?
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These lolipops look orange because they are reflecting every other color except orange.
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The color that we see is the light that bounces off, so they reflect orange and absorb other colors.