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WorksheetsLight and EMS Quiz Review
Total questions: 31
Worksheet time: 16mins
Name
Class
Date
1.
Why does a red ball appear red in the sunlight?
a)
the ball absorbs all red light
b)
only red light passes through the ball
c)
only red light is reflected by the ball
d)
the ball refracts red light
2.
True or false: Different colors of light have different wavelengths.
a)
TRUE
b)
FALSE
3.
TRUE or FALSE: Different colors of light travel at different speeds.
a)
TRUE
b)
FALSE
4.
TRUE or FALSE: All colors of light have the same wavelength.
a)
TRUE
b)
FALSE
5.
Why is a beam of light refracted through a prism?
a)
each color has a different speed
b)
each color has a different wavelength
c)
they all have the same speed
d)
they all have the same wavelength
6.
How do x-rays differ from gamma rays?
a)
gamma rays have more energy
b)
x-rays have more energy
c)
gamma rays have a shorter wavelength
d)
x-rays have a higher frequency
7.
What type of wave is this?
a)
longitudinal wave
b)
sound wave
c)
transverse wave
d)
primary wave
8.
What type of object reflects the most light?
a)
translucent
b)
opaque
c)
transparent
d)
translurent
9.
Which object would reflect the most light?
a)
cloth
b)
mirror
c)
wood
d)
construction paper
10.
Waves carry ______ not ________.
a)
matter, energy
b)
energy, matter
c)
energy and matter, atoms
d)
atoms, energy and matter
11.
What part of the EMS has frequencies greater than the frequency of Ultra Violet Rays?
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Microwaves
12.
Which is true of Radio waves?
a)
They have the shortest wavelength.
b)
They have the highest frequency.
c)
They have the slowest speed of all EM waves.
d)
They have the longest wavelength.
13.
How are earthquake waves, sound waves and light waves all alike?
a)
They can all travel in empty space.
b)
They all transmit energy.
c)
They can all transmit matter.
d)
You can see all of them.
14.
Which is true of Red and Violet light?
a)
The wavelength of violet light is longer than the wavelength of red light.
b)
The energy of violet light is lower than the energy of red light
c)
The speed of violet light is greater than that of red light.
d)
The frequency of violet light is higher than the frequncy of red light.
15.
Why would you choose to wear black outside on a cool sunny day?
a)
It absorbs all sunlight and will help you stay warm.
b)
It is your favorite color.
c)
You will stay comfortable because it absorbs and reflects the right amount of light.
d)
It reflects all light and you won't get hot.
16.
X-rays best take pictures of what body system?
a)
Circulatory System
b)
Respiratory System
c)
Nervous System
d)
Skeletal System
17.
Electromagentic waves can travel long distances and therefore we are able to have use of the following devices: (choose the best answer)
a)
cars, trucks, boats
b)
phone, radar, tv signals
c)
walkie talkies, remote controls
d)
hair brush, curling iron, hot rollers
18.
What type of EM waves often sanitize things such as hospital equipment, food processing plants and wastewater?
a)
Ultraviolet
b)
Visiable Light
c)
Infrared
d)
Radio
19.
Infrared waves are also often referred to as?
a)
Longitudinal waves
b)
X-Rays
c)
Earthquake Waves
d)
Heat waves
20.
Which of the following would be used for a heat lamp?
a)
visible light
b)
x-ray
c)
radio
d)
infrared
21.
Why can lightning be seen before thunder is heard?
a)
light travels slower than sound
b)
lightning has more energy than thunder
c)
light travels faster than sound
d)
thunder has more energy than lightning
22.
What EM wave has the most energy?
a)
gamma rays
b)
radio waves
c)
x-rays
d)
microwaves
23.
Scattering of light is when...
a)
light bends
b)
light breaks
c)
light bounces off in all directions
d)
light echos
24.
Which EM wave has the least amount of energy?
a)
infrared rays
b)
gamma rays
c)
radio waves
d)
uv rays
25.
Sunscreen helps to protect us from which EM wave?
a)
Gamma Rays
b)
Microwaves
c)
Visible Light
d)
UV rays
26.
Why does an object appear white?
a)
It absorbs all colors.
b)
It reflects white and absorbs the other colors of light.
c)
It absorbs white and reflects all of the other colors of light.
d)
It reflects all colors of light.
27.
Why does an object appear black?
a)
It absorbs black and reflects all of the other colors of light.
b)
It absorbs all colors of light.
c)
It reflects black and absorbs all the other colors of light.
d)
It reflects all colors of light.
28.
What type of wave is a radio wave sent to a radio and received by the radio's antenna?
a)
sound wave
b)
longitudinal wave
c)
earthquake wave
d)
transverse wave
29.
Refraction is when...
a)
light bends as it enters different media
b)
light bounces off of an object
c)
light is absorbed
d)
light moves away from an object in all directions.
30.
An example of refraction is...
a)
pencil in a cup (looks bent/broken)
b)
your reflection in the mirror.
c)
an echo
d)
doppler effect
31.
Scattering of light is when...
a)
light bends
b)
light breaks
c)
light bounces off in all directions
d)
light echos
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