LIGHT! Question Preview (ID: 57962)


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If an object allows most all light to pass through it then it is...
a) transparent
b) translucent
c) opaque
d)

An object that blocks all of the light from passing through is...
a) transparent
b) translucent
c) opaque
d)

This type of object lets some light through, but not all. It is not easy to see through this type of material.
a) transparent
b) translucent
c) opaque
d)

If you were building a house in Alaska (where it can be daylight for months!), what type of material would be best to cover your windows with that would help keep the Sun out of your room so you can sleep?
a) glass material
b) transparent material
c) opaque material
d) translucent material

Your grandma has plants in her kitchen. They need lots of light! What type of windows should she have installed that will be best for her indoor garden?
a) transparent material
b) translucent material
c) opaque material
d) no materials

Used in transmitting television signals
a) gamma rays
b) x-rays
c) UV rays
d) radio waves

The color with the shortest wavelength
a) red
b) blue
c) violet
d) indigo

The color with the longest wavelength
a) blue
b) violet
c) red
d) indigo

Used in heat lamps
a) UV waves
b) infrared waves
c) x-rays
d) gamma rays

causes sunburn
a) gamma rays
b) x-rays
c) microwaves
d) UV rays

Used in cell phones and radar
a) microwaves
b) gamma waves
c) visible
d) x-rays

Used to treat cancer cells. Greatest amount of energy
a) gamma
b) microwave
c) x-rays
d) radio

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