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What is energy?
Energy is the ability to do work or cause change.
What can energy help things do?
Move, change position, make light, heat, or sound.
Is energy something we can see?
No, but we can see its effects.
What does the Law of Conservation of Energy say?
Energy cannot be created or destroyed, only transformed.
Can energy ever disappear?
NO
If energy seems “gone,” what happened?
it switched forms
Does using energy destroy it?
No, it only changes form.
What is mechanical energy?
Energy of movement or position.
Give an example of mechanical energy.
A moving bike, running, a rolling ball.
What is chemical energy?
Energy stored in food, fuel, and batteries.
Give an example of chemical energy.
Food, gasoline, batteries.
What is electrical energy?
Energy that comes from electricity.
Give an example of electrical energy.
TV, phone charger, lamp.
What is thermal energy?
Heat energy.
Give an example of thermal energy.
The sun, a stove, hot soup.
What is light energy?
Energy we can see.
Give an example of light energy.
Sunlight, light bulb, flashlight.
What is sound energy?
Energy we can hear.
Give an example of sound energy.
Music, clapping, talking.
What is an energy transformation?
When energy changes from one form to another.
Does energy stay the same form forever?
No, it can change forms.
What energy does a light bulb start with?
Electrical energy.
What energy does a light bulb give off?
Light energy and thermal energy.
What type of energy is stored in a battery?
Chemical energy.
When a battery is used, what energy does it produce?
Electrical energy.
What type of energy is stored in food?
Chemical energy.
Why do we eat food?
To get chemical energy.
True or False: Energy can be created.
False.
True or False: Energy can be destroyed.
False.
True or False: Energy can change forms.
True.
True or False: Heat is another word for thermal energy
True.
Which energy is movement?
Mechanical energy.
Which energy can be stored?
Chemical energy.
Which energy comes from plugs?
Electrical energy.
Which energy makes things warm?
Thermal energy.
Which energy can be heard?
Sound energy.
Finish the sentence: Energy is never ________.
Destroyed.
Finish the sentence: Energy can only be ________.
Transformed.