

Electromagnetism 101 Nat Geo
Interactive Video
•
Other
•
8th Grade
•
Hard
Julie Reed
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when two electric charges of the same type interact?
They attract
They repel
They neutralize each other
They combine
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the intensity of electromagnetic radiation?
Its wavelength
Its amplitude
Its frequency
Its speed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of electromagnetic wave is used for medical applications like cancer treatment?
Radio waves
Microwaves
Ultraviolet rays
Gamma rays
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called that causes Earth's poles to attain positive and negative charges, turning the planet into a giant electromagnet?
Geomagnetism
Geodynamo
Electromagnetic Induction
Polar Reversal
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