Key Concepts
Whenever something ___ or ____, it is because of energy.
Moves or changes
What is kinetic energy?
the energy that an object has because it is moving
What type of energy do solar panels need to function?
Light energy
Whenever something is moving, it has ____ energy.
Kinetic
What is a system?
A set of interacting parts forming a complex whole
How do objects get energy?
It is transferred from another object.
When something has the ability to move or change in the future, it has _____ energy
Potential
What does transfer mean?
To move from one object to another or one place to another.
How do humans get energy to turn a hand crank generator?
Food!
______ creates energy.
Nothing
What is potential energy?
Stored energy
Which object in a cell phone stores potential energy?
The battery
Energy can be ______ and/or ______ from one object to another
What is a generator? What type of energy does it convert?
a machine that can convert kinetic energy into electrical energy
What part of the energy capturing knee braces produces electrical energy?
The generator