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Energy Systems
Energy
Kinetic Energy
Machines and Energy
Misc.
100
A small part of the universe.
What is a system?
100
The ability to do work.
What is energy?
100
The energy of an object has because it is moving.
What is kinetic energy?
100
The force that will eventually stop something from moving.
What is friction?
100
Another word for fuse.
What is combine?
200
In a closed system, this is what will happen to potential energy when kinetic energy decreases.
What is increase?
200
The energy an object has due to its position or shape.
What is potential energy?
200
The two factors which affect an object's kinetic energy.
What are mass and speed?
200
The type of energy that comes from a combination of kinetic and potential energy.
What is mechanical energy?
200
Something energy can do.
What is change form?
300
A system in which energy and matter can both be exchanged with the surroundings.
What is open system?
300
Another name for potential energy.
What is energy of position?
300
A measure of average kinetic energy.
What is temperature?
300
The type of energy that comes from interactions between atoms and molecules.
What is nonmechanical energy?
300
How much useful work a machine can do.
What is efficiency?
400
A system in which matter and energy cannot be exchanged with the surroundings.
What is an isolated system?
400
The kind of potential energy of an object above Earth's surface.
What is gravitational energy?
400
A measure of total kinetic energy.
What is thermal energy?
400
The work a machine is intended to do.
What is useful?
400
The process where sunlight is used to turn oxygen and water into sugar and carbon dioxide.
What is photosynthesis?
500
A system in which only energy can be exchanged with the surroundings.
What is closed system?
500
The kind of potential energy that comes from being stretched or compressed.
What is elastic energy?
500
The study of how energy moves.
What is thermodynamics?
500
The work a machine does which does not serve its purpose.
What is incidental?
500
A machine which goes on forever without added energy.
What is perpetual (motion machine)?