ELECTRICITY & MAGNETISM by Mr. Reece

ANSWER THE FOLLOWING “FILL IN THE BLANK”

An unbroken path through which

negative charges can flow is a

____________. circuit

ANSWER THE FOLLOWING…

A _________ reduces the amount of

electricity that flow through a

material.

resistor

ANSWER THE FOLLOWING…

A material that does not allow

electricity to flow through it

is______________. an

insulator

ANSWER THE FOLLOWING…

A material that allows electricity to

flow through it easily is

_______________.a

conductor

ANSWER THE FOLLOWING…

A magnetic field is caused when

__________ flows through a circuit.a current

ANSWER THE FOLLOWING…

Objects that have the same

number of positive and negative

charges are ____________.neutral

ANSWER THE FOLLOWING…

An object with nine – charges and

three + charges is

_____________________.negatively charged

TRUE & FALSE

________ Every circuit has an

unbroken path and a power

source.

True

TRUE & FALSE

________ A parallel circuit has

more than one path. True

TRUE & FALSE

________ The continuous flow of

negative charges through a

material is called current

electricity.

True

TRUE & FALSE

________ Static electricity is more

useful than current electricity. False

TRUE & FALSE

________ Magnetism and

electricity are related. True

TRUE & FALSE

________ Magnets have a north

pole and south pole. True

TRUE & FALSE

________ Objects that have the

same kind of charge attract each

other.

False

TRUE & FALSE

________ Electric power plants

use water, steam, and wind to

make generators work.

True

TRUE & FALSE

________ A magnet's magnetism

is strongest at the magnet’s

poles.

True

TERMS TO KNOW

____________ - an object that attracts iron.

____________ - the ends of a magnet.

__________________ - the area around a magnet where the

force of a magnet can act.

____________ - the pushing or pulling force caused by a magnet.

magnet

poles

magnetic field

magnetism

TERMS TO KNOW

____________ - produces electricity by using a coil of wire and a magnet.

__________________ - a temporary magnet formed when electric current flows through a wire coiled around a metal core.

generator

electromagnet

COMPLETE

Name on way magnets can be used to produce electricity. By moving a magnet through a coil of wireBy moving a coil of wire through a

magnetic field

Name one thing that uses an electromagnet.Fire alarms, telephones, CD players,

computers, doorbells, cranes, maglev trains