Electricity

Resistance is

• How fast electrons flow through a conductor

• Units are 'volts'

• How difficult it is for electrons to move through an object

• Force that causes electrons to move

Which object at home stops and starts the flow of electricity to an appliance?

• a fuse

• a thermometer

• a vavuum

• a switch

A(n) __________ has several paths through which electric charges can flow.

• electric charge

• static electricity

• parallel circuit

• resistance

__________ is a property that limits the flow of current through a conductor.

• series circuit

• electric current

• resistance

• electric charge

Electric charges building up in an area or

on an object is __________.

• static electricity

• electric current

• parallel circuit

• series circuit

In a(n) __________, electric charges can move in only one loop.

• parallel circuit

• series circuit

• resistance

• electric current

A(n) __________ is a property of some parts of

matter that is positive or negative.

• electric charge

• electric current

• static electricity

• resistance

Tags

NGSS.MS-PS2-3

__________ is electric charges in motion.

• static electricity

• electric current

• resistance

• parallel circuit

Five light bulbs are wired on one circuit. Three bulbs are lit, two are not. What type of circuit is this?

• series

• parallel

• open

• short

Which is the best material for insulating wires in a circuit?

• hard rubber

• lead

• silver

• tungsten