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15 questions
Which term means the distance from the crest of one wave to the next crest?
Amplitude
Frequency
Wavelength
Which term means the number of waves that pass a point in 1 second?
Amplitude
Frequency
Wavelength
Increasing the amplitude of a wave ______ the wave’s energy.
Increases
Decreases
Does not change
A wave with a large wavelength will have...
Low Frequency & Low Energy
High Frequency & High Energy
High Frequency & Low Energy
Low Frequency & High Energy
How are electromagnetic waves different from other waves?
They have short wavelengths
they transmit energy instead of matter
they can travel through empty space
they can change direction by reflection
Which has the LONGEST wavelength and therefore the lowest frequency/energy? These waves are used in broadcasting, wifi, and texting.
Gamma rays
Visible light
Radio waves
Infrared rays
Which electromagnetic waves are used in devices such as heat lamps and TV remote controls?
Ultraviolet rays
Infrared Rays
Microwaves
How much of the electromagnetic spectrum is made up of visible light?
A small portion of it
Most of it
All of it
None of it
Which section of the electromagnetic spectrum is the ONLY part humans can see?
X-Rays
Gamma Rays
Visible Light
Ultraviolet Rays
Electromagnetic waves that help your body produce vitamin D are called ___. Hint: These waves are invisible to humans but some insects can see them.
Gamma Rays
Ultraviolet Rays
X-Rays
Visible Light
Which electromagnetic waves are used by doctors to detect broken bones inside your body?
X-Rays
Gamma Rays
Ultraviolet Rays
Infrared Rays
Which has the SHORTEST wavelength and therefore the highest frequency/most energy? Hint: These waves are also used in cancer treatments.
Gamma Rays
Radio Waves
Ultraviolet Rays
X-rays
What high energy waves are given off by radioactive materials?
Gamma Rays
Microwaves
Ultraviolet Rays
Radio Waves
Which wave has a low frequency, a long wavelength, and low energy?
A
B
Not enough information to determine
Which wave has a high frequency, a short wavelength, and high energy?
A
B
Not enough information to determine
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