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WorksheetsLight
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
Nearly all the information we have about the universe comes in the form of ___
a)
light
b)
sound
c)
electricity
d)
fossils
2.
With light waves, the things doing the waving are ___
a)
gravitational and magnetic fields
b)
electric and gravitational fields
c)
electric and magnetic fields
d)
magnetic and nuclear force fields
3.
The distance between the crests in a wave is called ___
a)
the wave distance
b)
the wavelength
c)
the amplitude
d)
the frequency
4.
Light with a shorter wavelength has ___
a)
less energy
b)
more energy
c)
a smaller velocity
d)
a greater velocity
5.
Our eyes detect different energies of light as ___
a)
different colors
b)
different intensities
c)
different polarities
d)
different types of waves
6.
The spread of colors, or wavelengths of EM radiation, is called ___
a)
a wave-spread
b)
the bandwidth
c)
a spectrum
d)
the audible range
7.
Light with a wavelength that the human eye can detect is called ___
a)
visible light
b)
ultraviolet light'
c)
infrared light
d)
invisible light
8.
Light with slightly shorter wavelengths than what our eyes can see is called ___
a)
visible light
b)
ultraviolet light
c)
infrared light
d)
x-rays
9.
Light waves with the shortest wavelengths of all are called ___
a)
ultraviolet light
b)
microwaves
c)
x-rays
d)
gamma rays
10.
Light with slightly longer wavelengths than the reddest color we can see is called ___
a)
infrared light
b)
ultrared light
c)
subred light
d)
ultraviolet light
11.
Light with the longest wavelengths of all are called ___
a)
gamma rays
b)
x-rays
c)
microwaves
d)
radio waves
12.
An object that's hotter will emit light with a higher energy, which corresponds to ___
a)
a shorter wavelength
b)
a longer wavelength
c)
a smaller frequency
d)
a larger amplitude
13.
Astronomers say that light with a shorter wavelength is bluer, and light with a longer wavelength is ___
a)
pinker
b)
redder
c)
more violet
d)
less blue
14.
In general, atoms are made up of three subatomic particles: ___
a)
photons, neutrons, and electrons
b)
protons, neutrinos, and electrons
c)
photons, neutrons, and positrons
d)
protons, neutrons, and electrons
15.
Protons and neutrons occupy the centers of atoms in what's called ___
a)
the nucleus
b)
the kernal
c)
the core
d)
the nucleolus
16.
The type of atom depends on how many ___
a)
neutrons are in the nucleus
b)
photons it emits
c)
protons are in the nucleus
d)
electrons are orbiting the nucleus
17.
If light hitting the atom has just the right amount of energy, the electron will ___
a)
absorb it and jump down
b)
absorb it and jump up
c)
emit it and jump up
d)
emit it and jump up
18.
Different atoms emit ___
a)
identical colors of light
b)
different colors of light
c)
different intensities of sound
d)
identical energies of light
19.
What kind of device can precisely measure the wavelength of light?
a)
an anemometer
b)
a spectrometer
c)
a hygrometer
d)
a spirometer
20.
Stars and gas clouds in space are mostly made of ___
a)
hydrogen
b)
helium
c)
carbon
d)
calcium
21.
Which gas was detected, using spectroscopy, in Jupiter's atmosphere?
a)
methane
b)
oxygen
c)
carbon dioxide
d)
carbon monoxide
22.
The change in pitch as a motorcycle passes you is known as ___
a)
the observer effect
b)
the photoelectric effect
c)
the Doppler effect
d)
the Hertz shift
23.
If an object heads away from you, the wavelength from the source gets ___
a)
shorter and is red-shifted
b)
longer and is red-shifted
c)
shorter and is blue-shifted
d)
longer and is blue-shifted
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