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WorksheetsElectromagnetic Spectrum
Total questions: 15
Worksheet time: 9mins
What is the correct order of the visible light spectrum starting with the longer wavelength?
Red, yellow, orange, blue, violet, indigo
Violet, indigo, blue, green, yellow, orange, red
Green, yellow, blue, indigo, red, orange
Red, orange, yellow, green, blue, indigo, violet
Which color has the longest wavelength?
Yellow
Red
Green
Purple
Scientists observed a celestial object emitting a wavelength of 3 x 10-10m. What type of telescope did the scientists have to use to view this?
Radio wave
Infrared ray
X-ray
Gamma Ray
Infrared radiation can be used to take special pictures called thermographs. “Graph” means “image”. What can you infer about the prefix “thermo”?
It means “light”
It means “energy”
It means “heat”
It means “radio”
What is the separating of light into different colors when it passes through a narrow slit?
refraction
absorption
diffraction
light waves
What color is an object that absorbs all colors in the light spectrum?
white
green
none
black
What color is an object that reflects all the light?
blue
rainbow
white
none
A leaf is green, what does this tell you about the light that is being absorbed?
no light is being absorbed
green is being refracted and all the colors are being absorbed.
green is being absorbed and all the other colors are reflected
green is being reflected and all the other colors are being absorbed
An example of translucent
waxed paper
mirror
tv screen
window
An example of transparent
rock
window
spoon
mug
An example of opaque.
rock
wax paper
window
frosted glass
