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Vocabulary words for the 4th Grade Electricity Unit.
a material that electric current CANNOT flow through easily
a material that electric current CAN pass through easily
a closed path that allows energy or electricity to flow
a broken path that does NOT allow energy or electricity to flow
a circuit that has two or more objects on one electrical path
a combination of circuits that have two or more paths for objects to have an electrical path
the space around a magnet where the force of the magnet can act
a magnet that keeps or retains its magnetism after the energy source has been removed
wires wrapped around a metal object and connected to an energy source like a battery
the flow of electric charges
An electric charge that stays on an object. Causes shocks.
to draw to itself, pull toward
to push apart of force away
Invented the lightning rod.
invented dynamo and discovered the electromagnet
perfected the invention of the light bulb
an electrical battery
an electrical component that can break an electrical circuit
Comes from the motion of tiny particles in matter. The faster the particles move, the warmer the matter can get. Examples are stoves and matches.
Electromagnetic energy that travels in transverse waves. Examples are visible light, x-rays, radio wave, and solar energy.
Matter in motion. An example is an airplane soaring through the sky.