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12 terms

CST 4th grade physical science

STUDY
PLAY
parallel circuit
circuit in which electric current can follow more than one path
series circuit
circuit in which electric current follows only one path
electromagnet
a temporary magnet made by coiling wire around an iron core
attract
to pull toward (opposites)
repel
to push away (same)
positive charge
more protons (+) than electrons (-)
negative charge
more electrons (-) than protons (+)
magnetic field
The area of magnetic force around a magnet, the region around a magnet where the magnetic force is exerted
electrical energy
energy made available by the flow of electric charge through a conductor
light energy
energy in the form of moving waves of light
heat energy
a form of energy that is transferred by a difference in temperature
Compass
navigational instrument for finding directions