Choose the word that best matches each definition.
Energy transfers from one form to another
A well-defined group of objects that transfer energy between one another
The movement of energy from one location to another
Energy can neither be created nor destroyed in a closed system but only conserved or converted to other forms. The total amount of energy remains the same.
The relationship in quantity, amount, or size between two or more things; proportion
All the kinetic energy from the movement of particles in an object
The sum of potential and kinetic energy
A force that opposes the motion between two objects that are touching
The time rate at which an object is moving along a path
Measure of the amount of matter in an object