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12 terms

science test review

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atoms
small particles that make up matter.
protons
positive charge.
electrons
negative charge.
induction
method of charging that rearrange charges in an object without direct contact.
thermocouple
uses temperature difference in wires to convert thermal energy into electrical energy.
friction
method of charging that occurs by wiping on object on another object-like the balloon on your hair.
conductors
materials that allow charges to move easily.
electric field
the region around a charged object where a force is exerted on other objects.
amperes(amps)
unit of measure for current.
electric force
force that exists between two charged object.
cell(battery)
generates electrical energy from chemical energy.
circuit breaker
switch that automatically opens if the current is too high.