Energy and Electricity

Question 1

Ammeter

Answer 1

Device used to measure electric charge

Question 2

Ampere

Answer 2

Unit of current eg. the current in the bulb is four amperes or amps (A)

Question 3

Cell

Answer 3

A store of internal energy that can be transferred as an electric current in a circuit

Question 4

Conductor

Answer 4

A substance that allows electricity to flow through it

Question 5

Electron

Answer 5

Sub atomic particle that flows carries a negative charge

Question 6

Series Circuit

Answer 6

A circuit in which the same current flows through each component in turn

Question 7

Parallel Circuit

Answer 7

The current divides into two or more paths before recombining.

Question 8

Insulator

Answer 8

Substance that blocks electricity flowing through it

Question 9

Ohms Ω

Answer 9

A unit of electrical resistance. Unit is Ω.

Question 10

Resistance

Answer 10

The opposition an electrical component to the movement of electrical charge

Question 11

Potential Difference

Answer 11

A measure of the energy given to the charge carries in a circuit

Question 12

Volt

Answer 12

Unit of Voltage

Question 13

Voltmeter

Answer 13

A device measuring Voltage (V) or potential difference

Question 14

The next few slides are energy related

Answer 14

(‘-‘)

Question 15

Energy Transfer

Answer 15

When one energy type becomes another

Question 16

Conservation of energy

Answer 16

Energy can’t be destroyed so we conserve it

Question 17

Internal energy

Answer 17

Energy is stored in all materials due to motion of particles

Question 18

Kinetic Energy Store

Answer 18

Anything that is moving

Question 19

Chemical energy store

Answer 19

When a substance that undergoes a chemical reaction

Question 20

Magnetic energy store

Answer 20

When two or more objects attract or repel

Question 21

Elastic Potential Energy Store

Answer 21

When an object is streched or squashed

Question 22

Thermal Energy Store

Answer 22

The heat stored in an object

Question 23

Gravitational Potential Energy Store

Answer 23

when an object is above the ground

Question 24

Work Done

Answer 24

Work is done when a force makes an object move, and energy is transferred

Question 25

Power

Answer 25

The amount of energy transferred per second

Question 26

Fossil fuel

Answer 26

Natural fuel formed by the remains of living organisms ie: coal, gas and oil

Question 27

Non-renewable

Answer 27

A resource that cannot be replaced

Question 28

Renewable

Answer 28

A resource that can be replaced