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Science period 4

Energy vocab

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