What is energy?
The ability to do work or cause change
What is work?
When a force moves in object in the same direction as the force.
What is a force?
A push or a pull.
Name some things energy from the sun does
Causes wind to blow, plants to grow, makes Earth a place we can live, helps the water cycle
What is electrical energy?
It is the energy of electrical charges. It can be used to power things
Name 3 things that use electrical energy.
Answers vary
What is light energy?
It is energy that we can see
What is heat?
It is the transfer of energy from warmer to cooler things
What is mechanical energy?
It is the energy that shape or position gives to a thing. It is potential energy + kinetic energy
What is potential energy?
It is stored energy that comes from position or shape
What is sound energy?
A kind of moving energy that travels through a medium and carries noise
What is potential energy from position?
Something above the ground
What is potential energy from shape?
Energy stored in and object like a pushed together (compressed) spiring or a stretched out rubber band
What is kinetic energy?
Energy from something that is moving
How do we make energy?
We cannot make energy. Energy cannot be created or destroyed. I can be moved from one thing to another or changed from one kind to another.
Give an example of energy changing
answers vary
