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The important thing about energy is that 

it exists in many forms and can change 

from one form to another.

But, the most important thing about 

energy is that it exists in many forms and 

can change from one form to another. 

The important thing about energy is that it 

exists in many forms and can change from one 

form to another.

All energy is either kinetic or potential energy.

Kinetic energy is when something moves, like a 

person running, a clock ticking , a plane flying, or 

electrons moving.   Potential energy is stored or 

waiting to be used like in food, batteries, gasoline 

and other chemicals.   Energy can also be stored 

from gravity like a book on top of a shelf. 

But, the most important thing about energy is 

that it exists in many forms and can change 

from one form to another.

The important thing about energy is that it 

exists in many forms and can change from 

one form to another.

Light is energy that travels in particles and 

waves of different lengths. Light is a form of 

kinetic energy because it moves. Light is 

electromagnetic waves we can see with our 

eyes.   Stars are our primary source of light, 

especially the Sun.

But, the most important thing about 

energy is that it exists in many forms and 

can change from one form to another. 

The important thing about energy is that it 

exists in many forms and can change from one 

form to another.

Sound is energy that travels in waves. Sound is a 

form of kinetic energy because it moves. Whenever 

something vibrates, these sound waves travel to our 

ears so we can hear it. Sound needs air, water, or 

solids in order to travel.   Sound cannot travel in 

space.   Sound comes from other forms of energy like 

when two objects hit together or as air moves. 

But, the most important thing about energy is 

that it exists in many forms and can change 

from one form to another. 

The important thing about energy is that it 

exists in many forms and can change from one 

form to another.

Chemical energy is in all matter in the bonds between 

molecules.   Chemical energy is a form of potential 

energy because it is something waiting to happen 

when burning or other reactions break the bonds.  

Chemical energy can be stored in fossil fuels like coal, 

oil, and natural gas.   Chemical energy can also be 

stored in food.   Batteries also store chemical energy 

that can then be turned into electricity.

But, the most important thing about energy is 

that it exists in many forms and can change 

from one form to another. 

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