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20 questions
Choose the three primary colors of light.
Pink
Red
Blue
Green
Choose the three secondary colors of light.
Yellow
Green
Cyan
Magenta
Which color has the longest wavelength and shortest frequency?
Red
Yellow
Blue
Violet
Which color has the shortest wavelength and highest frequency?
Violet
Yellow
Orange
Green
Red and green make _________.
Yellow
Purple
White
Blue
If two light bulbs produce the same amount of energy, what would cause one of the bulbs to look dimmer than the other?
Time
Space
Distance
When you add the secondary and primary colors of light together, what color is produced?
white
black
The color of objects that we see is the color of the wavelength that is ___________ from its surface.
refracted
reflected
absorbed
dispersed
When light is _________ it remains in the object as energy (heat).
refracted
reflected
absorbed
dispersed
When light traveling in straight lines passes through an object that is curved like a lens, the light is _________ at different angles.
refracted
reflected
absorbed
dispersed
Light rays hitting a bumpy surface are ___________ or scattered creating a blurred image.
reflected
refracted
absorbed
diffused
____________ is when all light rays bounce off an object at the same angle.
Reflection
Dispersion
Refraction
Absorption
A/an _________ material absorbs all of the light that strikes it.
opaque
transparent
translucent
__________ objects transmit light.
Transparent
Opaque
Translucent
_________ objects scatter light as it passes through.
Transparent
Opaque
Translucent
Visible light is the part of the _______________, between infrared and ultraviolet, that is visible to the human eye.
electromagnetic spectrum
visible light spectrum
electrical light spectrum
For an object to be visible, it must either __________ or ___________.
produce its own light
reflect light
absorb light
An example of a transparent object
glass
wood
wax paper
An example of an opaque object
metal
water
frosted glass
An example of a translucent object
cardboard
air
wax paper
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