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What forms of energy do Christmas lights use and produce?

What can you infer if your toaster is able to toast bread?

Forms of Energy

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A #forms of energy #fourth grade quiz

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Questions 10

Answers

1
What can you infer if your toaster is able to toast bread?
Thermal energy is produced from light.
Electrical energy is the only way to heat something.
Sound energy is producing thermal energy.
Electrical energy is being used to produce thermal energy.
2
What forms of energy do Christmas lights use and produce?
Sound and Electrical
Electrical and light
Sound and thermal
Thermal and electrical
3
Which is a form of light energy?
All of the above
A flashlight
The sun
A lamp
4
What forms of energy are used and produced by a piano?
Sound is used to produce thermal
Electrical is used to produce light
Mechanical is used to produce sound
Thermal is used to produce sound
5
What makes a mechanical pencil, wind up toy, or scissors a form of mechanical energy?
These are not forms of mechanical energy
All require you to use your hands
All require movement
All are small items
6
Sound energy is created by vibrations and creates. An example of sound energy is:
All of the above
Musical instruments
The wind blowing
Kids talking/laughing
7
What forms of energy does a radio use and produce
Thermal and electrical
Electrical and sound
Sound and light
Light and thermal
8
All are examples of electrical energy except:
battery
outlet plug
lightning
stapler
9
Why is energy important?
All of the above
It allows us to have power for cars, appliances, &computers.
Energy is needed for plants and animals to eat and survive.
It is needed to do work or cause change.
10
List a form of thermal energy
Hand warmer
trumpet
yo yo
glow stick