Chapter 5 Test

Question 1

An unbroken path through which negative charges can flow

Answer 1

circuit

Question 2

When electrical charges build up on the surface of an object, ________ occurs

Answer 2

static electricity

Question 3

An object that attracts certain metals

Answer 3

magnet

Question 4

A material that does not allow electricity to flow through it easily

Answer 4

an insulator

Question 5

A material that allows electricity to flow through it easily

Answer 5

conductor

Question 6

A magnetic field is caused when ________ flows through a circuit

Answer 6

a current

Question 7

A form of energy that involves the flow of electrical charges

Answer 7

electricity

Question 8

Two things that use _____________ are microwave ovens and maglev trains

Answer 8

electromagnets

Question 9

Objects with the same king of charge _______ each other

Answer 9

repel

Question 10

Objects with opposite charges ________ each other

Answer 10

attract

Question 11

The ends of the magnet

Answer 11

poles

Question 12

The area around a magnet where the force of the magnet can act

Answer 12

magnetic field

Question 13

The pushing or pulling force caused by a magnet

Answer 13

magnetism

Question 14

Electricity can be produced by a _______, which uses a coil of wire and a magnet

Answer 14

generator

Question 15

A temporary magnet formed when electric current flows through a wire coiled around certain metal cores

Answer 15

electromagnet

Question 16

Particles of matter can have a positive or ________ charge

Answer 16

negative

Question 17

Every circuit must have an unbroken path and a _________ __________

Answer 17

power source

Question 18

A ________ ________ has more than one path

Answer 18

parallel circuit

Question 19

The continuous flow of negative charges through a material

Answer 19

electric current

Question 20

Magnetism and electricity are __________

Answer 20

related

Question 21

A magnet’s magnetism is ________ at the magnet’s poles

Answer 21

strongest

Question 22

ESSAY:

List two ways magnets can be used to produce electricity

Answer 22

• By moving a magnet through a coil of wire

- By moving a coil of wire through a magnetic field

Question 23

ESSAY:

What is all matter made up of?

Answer 23

small particles with an electric charge

Question 24

ESSAY:

Would it be better to have all the outlets and the lights wired in a parallel circuit or series circuit?

Answer 24

A parallel circuit so that all the outlets and lights can turned off individually.