Read About It Electromagnetic Waves
Passage
•
Science
•
8th Grade
•
Practice Problem
•
Medium
Tracey Felder
Used 28+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the speed of electromagnetic waves in a vacuum?
300,000 kilometers per second
150,000 kilometers per second
186,000 miles per second
200,000 miles per second
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a characteristic of electromagnetic waves?
They require a medium to travel.
They are transverse waves.
They travel at the speed of light.
They can travel through empty space.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to light when it passes through a prism?
It bends and separates into different colors.
It is absorbed completely.
It reflects back in the same direction.
It speeds up.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which electromagnetic wave has the longest wavelength?
Radio waves
Infrared
Visible light
Ultraviolet
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of the ozone layer in relation to electromagnetic waves?
It blocks most UV radiation from reaching Earth's surface.
It reflects visible light back into space.
It absorbs all infrared radiation.
It enhances the transmission of radio waves.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the electromagnetic spectrum is used in thermal imaging devices?
Infrared
Ultraviolet
X-rays
Gamma rays
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the color of visible light?
Wavelength
Amplitude
Frequency
Speed
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