WorksheetsWaves Review!
Total questions: 140
Worksheet time: 2hrs 3mins
You can't hear sounds in outer space because there is no
medium
light
energy
heat
Radio waves and _______ are used in communication
Microwaves
Gamma rays
Visible light
Ultraviolet
Cell phones use_____________waves.
Electromagnetic
Mechanical
Magic
Satellite
Electromagnetic waves can transfer energy without _____.
wavelength
a medium
disturbances
a crest
Radio waves, infrared waves, visible light, and x-rays are all forms of energy that travel as _____.
mechanical waves
seismic waves
sound waves
electromagnetic waves
Which statement best explains frequency?
Frequency is the total number of wavelengths that pass a point in a given amount of time.
Frequency is the number of crests that pass a point in a given amount of time.
Frequency is the amplitude at a certain point of time.
Frequency is the number of wavelengths that pass a point in a given amount of time.
Waves are classified according to _____.
their shape
how they move
their source
their size
180
180
Wavelength= .5m
Frequency= 150 hertz
_____________ is a sound with a frequency too low for humans to hear.
Imaginary Waves
Electromagnetic
Infrared
Infrasonic
What is the wavelength of this wave?
4
8
3.3
6.3
When the three primary colors mix they produce?
Red, Green, Blue
Black
White
Magenta, Yellow, Cyan
Which images are opaque?
A & C
A,C,E, & F
D, E, & F
A & E
Wax paper or a foggy window is an example of what type of material?
transparent
translucent
opaque
Why does an apple look red?
because it absorbs red light and reflects white light
because it absorbs red light waves and reflects the others
because it absorbs all colors of light
because it reflects red light waves and absorbs the others
A yellow lemon absorbs the color yellow and reflects all the other colors
True
False
If white light shines through green glass, the glass appears to be what color?
white
green
yellow
Which of the following is an example of an opaque object?
sunglasses
waxpaper
a brick wall
Which is an example of a transparent material?
tin foil
wax paper
eye glasses
Cyan is produced by which two primary colors?
Green and yellow
Green and blue
Green and red
Three colors that can be used to create any other color are what?
complementary colors
secondary colors
primary colors
Light is made up of...
electricity and waves
magnetism and waves
electricity and magnetism
electricity and energy
A shadow is created by the....
absence of light.
absence of waves.
absence of color.
blocking of sound.
The darkest part of a shadow is called the...
shadow
umbra
penumbra
pentagram
The sky is blue because...
blue is the color most scattered or reflected by our atmosphere.
red is the color most scattered or reflected by our atmosphere.
blue is the color most absorbed by our atmosphere.
blue is complimentary to orange.
The most dangerous type of light in the universe is...
a microwave
an x-ray
a gamma ray
an ultraviolet wave
What type of light does sunblock actually block?
Radio waves
Ultraviolet
Visible Light
Infrared Light
