Electricity And Magnets Keywords

Question 1

Ammeter

Answer 1

A device for measuring electric current in a circuit.

Question 2

Amps

Answer 2

Units of measurement of electric current, symbol A.

Question 3

Atom

Answer 3

A neutral particle; everything is made of atoms.

Question 4

Attract

Answer 4

Be pulled together, for example, opposite poles of a magnet attract and positive and negative charges attract.

Question 5

Battery

Answer 5

Two or more electrical cells joined together.

Question 6

Cell

Answer 6

A chemical store of energy, which provides the push that moves charge around a circuit.

Question 7

Conductor

Answer 7

A material that conducts charge or energy well, such as a metal or graphite.

Question 8

Core

Answer 8

A rod of a magnetic material placed inside a coil to make the magnetic field of an electromagnet stronger.

Question 9

Current

Answer 9

The flow of electrical charge (electrons) around a complete circuit per second.

Question 10

Electric charge

Answer 10

A property of a material or particle that can be positive or negative.

Question 11

Electrical field

Answer 11

A region where a charged material or particle experiences a force.

Question 12

Electromagnet

Answer 12

A temporary magnet produced using an electric current.

Question 13

Electron

Answer 13

A negatively charged particle found in atoms. Electrons flow through a wire when a current flows.

Question 14

Insulator

Answer 14

A material that does not conduct electricity or transfer energy well.

Question 15

Lightning

Answer 15

A current through the air that produces light and sound.

Question 16

Magnetic field

Answer 16

A region where there is a force on a magnet or magnetic material.

Question 17

Magnetic field lines

Answer 17

Imaginary lines that show the direction of the force on magnetic material.

Question 18

Magnetic material

Answer 18

A material that is attracted to a magnet, such as iron, steel, nickel, or cobalt.

Question 19

Magnetise

Answer 19

Make into a magnet

Question 20

Motor

Answer 20

A component or machine that spins when a current flows through it.

Question 21

Negative

Answer 21

The charge on an electron, or on an object that has had electrons transferred to it.

Question 22

Neutral

Answer 22

Describes an object or particle that has no charge, or in which positive and negative charges cancel out, giving no charge overall.

Question 23

Neutron

Answer 23

A neutral particle found in atoms.