

May 3 ELT
Interactive Video
•
English
•
8th Grade
•
Practice Problem
•
Hard
Joy Johnson
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who discovered the technology behind microwave ovens?
Isaac Newton
Nikola Tesla
Albert Einstein
Percy Spencer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to water molecules when they are exposed to microwaves?
They evaporate
They vibrate
They split
They freeze
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is NOT a result of microwaving food?
Cooking unevenly
Heating through friction
Chemical alteration of food
Generating microwaves
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does microwave radiation in physics describe?
Sound waves
A type of light visible to humans
Transfer of energy across a gap
A dangerous form of energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is microwaving metal sometimes dangerous?
It makes the food toxic
It can cause sparks
It has no effect
It stops the microwave
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