Science The Electromagnetic Spectrum Quizlet Grade 8 Module L Emily Walz
T
(T/F) All electromagnetic waves travel at the same speed in a vacuum
T
(T/F) Electromagnetic waves can travel through a vacuum.
T
(T/F) Gamma rays travel faster than visible light
F
(T/F) Sound waves are part of the electromagnetic spectrum.
lower
The longer the wavelength the ________ the frequency
Microwaves
Which type of wave has a higher frequency than a radio wave, but a lower frequency than an infrared wave?
Radiowaves and Microwaves
Which types of waves are used to transmit cell phone signals? (List two)
Prism
White light is a mixture of colors that can be split into the visible spectrum by a...
A light wave travels through the vacuum of space.
Why is a light wave not considered a matter wave?
The blue light is reflected and all other colors are absorbed
Why would you see the blueberries as blue?
D
Any warm object emits this wave. Night vision cameras are able to detect this type of wave. A. Gamma Rays B. Visible Light C. Microwaves D. Infrared
Transverse
Electromagnetic waves are ____________ waves.
Transverse
In __________ waves the vibrations are at right angles to the direction of the wave.
longitudinal
In _______________ waves the vibrations are in the same direction as the direction of the wave.
Transverse
Light waves, water waves, microwaves, and the 'Mexican Wave' are all examples of _____________ waves.
Radio waves, Microwaves, Infrared waves, Visible light, Ultraviolet waves, X-rays, and Gamma Rays
Order of the EM Spectrum
C
Our eyes are able to see waves in this part of the electromagnetic spectrum. A. Ultraviolet B. Radio C. Visible D. Infrared
Ronald Might Investigate Very Unlikely Xavier's Grandma
Phrase to remember the order of the EM Spectrum
300,000,000 ms^-1
The speed of light in a vacuum is...
A. Gamma Rays and D. Ultraviolet Waves
The waves that have shorter wavelengths than visible light are: (choose all that apply) A. Gamma Rays B. Radiowaves C. Microwaves D. Ultraviolet Waves
B
These rays are absorbed by the bones and teeth but pass through flesh. A. Radiowaves B. X-Rays C. Visible Light D. Infrared
B
These rays are emitted by the sun (and other white hot objects). Over-exposure to these rays can burn the skin and cause skin cancer. A. Gamma Rays B. Ultraviolet C. Microwaves D. Infrared
A
These rays have the shortest wavelength of all. They are emitted by some radioactive substances. They are often used in radiotherapy to kill cancer cells. A. Gamma Rays B. Ultraviolet C. Infrared D. Microwaves
C
These waves are used to cook food (they are absorbed by water molecules in the food) A. Gamma Rays B. X-Rays C. Micro-waves D. Ultraviolet
A
These waves have the longest wavelength and are used to carry signals for radar, TV, and radio. A. radiowaves B. Ultraviolet C. Microwaves D. Infrared
short
Waves with a high frequency have a ________ wavelength
Violet
What color of visible light has the shortest wavelength (and highest frequency)?
The amplitude
What property of light waves determines the brightness of the light?
The wavelength
What property of waves determines the color that you see?
an electromagnetic wave
What type of wave is a light wave?
short
When a wave has a high frequency that means it has a _________ wavelength.
A
Which of the following has the highest frequency? A. Visible Light B. Microwaves C. infrared D. Radiowaves
C
Which of the following has the highest frequency? A. ultraviolet b. Microwaves c. x-rays d. radio waves
D
Which of the following has the longest wavelength? A. Gamma Rays B. Visible Light C. Ultraviolet D. Radiowaves
C
Which of the following has the lowest frequency? A. Ultraviolet B. Microwaves C. Radiowaves D. X-Rays
A
Which of the following has the shortest wavelength? A. Gamma Rays B. Visible Light C. Ultraviolet D. Radiowaves
A. light wave
Which of the following is not an example of a mechanical wave? A. light wave B. Seismic wave C. Water Wave D. Sound Wave
C. Microwaves
Which of the following portions of the EM spectrum has the longest wavelength? A. Visible Light B. Infrared C. Microwaves D. Gamma Rays
A. Ultraviolet Rays
Which of the following portions of the EM spectrum has the most energy? A. Ultraviolet Rays B. Radio waves C. Infrared D. Microwaves
Ultraviolet Radiation
Which type of EM radiation can be harmful to our skin, but can be used to sterilize surgical equipment?
