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Science period 4
Energy vocab
| Question | Answer |
|---|---|
| Lever | a simple machine that consists of a bar that pivots on a fixed point called a fulcrum |
| Pulley | a simple machine that consists of a wheel and axle over which a rope, wire, or chain passes |
| Wheel & Axle | a simple machine that consists of two circular objects of different sizes; the wheel is the larger of the two |
| Inclined plane | a simple machine that consists of a straight slanted surface(a ramp)that facilitates the raising of loads |
| Wedge | a simple machine that consists of two inclined planes and moves often for cutting or splitting objects |
| Screw | a simple machine that consists of a inclined plane wrapped around a cylinder |
| Compound Machine | a machine made of more than one simple machine |
| Energy Conversion | a change from one energy to another |
| Law of conservation of energy | a law |
| Mechanical Energy | the amount of work an object can do because of its kinetic & potential energies |
| Gravitational Potential Energy | energy due to an object's position or height |
| Elastic Energy | energy that is stored due to an object's properties |
| Thermal Energy | all of the kinetic energy due to the random motion of particles in an object |
| Chemical Energy | energy of a compound that changes as its atoms are rearranged |
| Electrical Energy | energy of moving electrons |
| Sound Energy | caused by an object's vibrations |
| Light Energy | is produced by the vibration of electrically charged particles |
| Nuclear Energy | energy that comes from changes in the nucleus of an atom |
Created by:
jsimon26
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