the ability to do work or cause change
_____ is done when a force moves an object.
The _____ is the main source of energy for Earth.
plants grow, winds blow, water moves through the water cycle
What are some of the effects of the sun's energy?
_____ is the movement of electrical charges.
lamps, toasters, computers, microwave ovens
Name some things electrical energy powers.
_____ is energy we can see.
____ is the transfer of energy from a warmer object to a colder object.
_____ is energy that motion or position gives to an object.
every time you move or lift an object or use a machine with moving parts
When do you use mechanical energy?
____ is energy we can hear.
Stored energy is ______.
if you use it to do work or cause a change
When does potential energy turn into another type of energy?
_____ is the energy of motion.
releasing a stretched spring, a snowboarder at the top of a hill then moving down the hill.
What are examples of potential energy changing to kinetic energy?