Energy
This is the ability to move matter or change matter in some other way.
Energy
__________ energy stored in an object based on its position. Energy stored by an object due to its position above the ground or shape.
Potential
_______ energy is the energy of moving matter. Energy of motion.
Kinetic
A ball flying through the air is an example of what?
Kinetic energy because it is energy in motion.
Energy is ________________ from one object to another.
Transferred
It takes energy to play tennis. Where does a boy playing tennis get his energy?
The boy playing tennis gets his energy from the food he eats.
To move his racket, the boy needs energy stored in food, which is an example of c________ e________.
Chemical Energy:
energy that is stored in the chemical bonds in molecules.
What is the name of the unit used to represent energy?
joule (J) OR newton x meter (N x m)
One joule (J) is the amount of energy needed to apply a force of 1 newton (N) over a distance of 1 meter (m).
True
For example, suppose the boy playing tennis applies 20 newtons of force to his tennis racket over a distance of 1 meter. The energy needed to do this work is:
20 N ∙ m, or 20 J.
Mechanical Energy
For example, when the boy swings his tennis racket, the energy of the moving racket is an example of mechanical energy.
What is the SI unit for energy?
joule (J)
SI refers to International System of Units, a globally accepted standard for measurement, adopted in 1960.
Other forms of energy include electrical, thermal, light, and sound energy.
True
Do batteries "produce" or "make" energy?
No. Batteries convert energy from one form to another. They store chemical energy that is converted to electrical energy when connected to a device through wires.