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Energy
Vocabulary
Question | Answer | |
---|---|---|
Energy due to motion. | Kinetic energy | |
Energy carried by an electric current. | Electric energy | |
Stored energy due to the interactions between objects or particle. | Potential energy | |
Energy that is stored in and released from the bonds between atoms. | Chemical energy | |
Energy stored in and released from the nucleus of an atom. | Nuclear energy | |
Sum of the potential energy and the kinetic energy in a system | Mechanical energy | |
The sum of the kinetic energy and the potential energy of the particles that make up an object. | Thermal energy | |
Energy carried by sound waves. | Sound energy | |
The energy transferred by waves moving through the ground. | Seismic energy | |
Energy carried by an electromagnetic wave. | Radiant energy | |
The conversion of one form of energy to another. | Energy transformation | |
The same type of energy moves from one object to a different object. | Energy transfer | |
Law that states that energy can be transformed from one form to another, but it cannot be created or destroyed. | Law of conservation of energy | |
The amount of energy used as a force moves an object over a distance. | Work | Work= Force x Distance W= fd |
A machine that does work using one movement. | Simple machine | |
A simple machine that consists of a ramp, or a flat, sloped surface. | Inclined plane | |
A simple machine that consists of an inclined plane wrapped around a cylinder | Screw | |
A simple machine that consists of an inclined plane with one or two sloping sides; it is used to split or separate an object. | Wedge | |
A simple machine that consists of a bar that pivots, or rotates, around a fixed point. | Lever | |
A simple machine that consists of an axle attached to the center of a larger wheel, so that the shaft and wheel rotate together. | Wheel and Axle | |
A simple machine that consists of a grooved wheel with a rope or cable wrapped around it. | Pulley | |
Two or more simple machines working together | Complex machine | |
The ratio of output work to input work. | Efficiency | |
The ability to cause change. | Energy |