Light Question Preview (ID: 35818)


Light As An Energy Source And The Visible Spectrum. TEACHERS: click here for quick copy question ID numbers.

Solar Panels convert light energy into _______ energy
a) Solar
b) Electrical
c) Mechanical
d) Potential

Light is a vital form of energy.
a) True
b) False
c)
d)

Solar panels are good for the environment because they generate pollution and are powered by a nonrenewable resource.
a) True
b) False
c)
d)

Light can travel around the world ____ times in one second.
a) 6
b) 7
c) 8
d) 10

Light is one million times faster than ___________.
a) Sound
b) Radio Waves
c) X-rays
d) purple waves

The sun and the wick of a burning candle are examples of objects that are so hot they create _______.
a) a blue color
b) light
c) darkness
d) a hot-dog

Light is most commonly created by extreme __________.
a) Cold
b) Pressure
c) Heat
d) weather

Light travels in _______________.
a) frequency
b) waves
c) wavelength
d) an arc

Air can get very hot up to 20,000 degrees.
a) True
b) False
c)
d)

Large electrical charges of energy the build up in clouds can cause__________.
a) electromagnetic spectrum
b) lightning
c) Blue light
d) Light

Light waves move up and down this type of wave is called a ___________ wave.
a) convex
b) transverse
c) bent
d) silly

The bottom of a light wave is called a ________
a) trough
b) crest
c) wavelength
d)

The top of a light wave is called a ________
a) trough
b) crest
c) wavelength
d)

The length of a light wave is the distance between two _____crests or two ______trhoughs
a) crest, trough
b) crest, wave
c) trough, wavelenth
d)

When the wavelength gets shorter the frequency ________.
a) increases
b) decreases
c) stays the same
d)

When the wavelength gets longer, the frequency _______
a) increases
b) decreases
c) stays the same
d)

Red has the longest wavelength and violent has the shortest.
a) True
b) False
c)
d)

_______ is a combination of all of the colors
a) Blue
b) Black
c) White
d) Grey

When we see a black shirt it is because it is reflecting all of the colors.
a) True
b) False
c)
d)

A banana is absorbing all of the colors except ________.
a) Blue
b) Orange
c) Yellow
d)

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