NS Term 3

Question 1

Where does mains electricity come from?

Answer 1

Power stations.

Question 2

The flow of electricity:

Power Stations, ____, Pylons, Step-down Substations, _____, Wall Sockets

Answer 2

Step-up Transformers; Electricity Boxes

Question 3

All power sources need a source of ______.

Answer 3

Energy.

Question 4

Coal-fired power stations use ____ which they ____.

Answer 4

Coal; burn

Question 5

The heat is used to make _______.

Answer 5

Electricity

Question 6

South Africa uses the following sources of energy to make electricity:
Water: \_\_\_\_\_\_\_\_\_\_\_
\_\_\_\_: Wind turbines
\_\_\_\_: Nuclear power plants
Gas: \_\_\_\_\_\_\_\_\_\_
Sun: \_\_\_\_\_\_\_\_\_\_

Answer 6

Hydro-electric power; wind; nuclear; gas turbines; solar panels

Question 7

Check your _____ regularly.

Answer 7

Appliances

Question 8

The ______ do not work correctly (faulty).

Answer 8

Controls

Question 9

Parts are ____.

Answer 9

Loose

Question 10

Only use ________ plugs.

Answer 10

SABS- approved

Question 11

Do not _____ a wall socket. Use an _____.

Answer 11

Overload; adaptor

Question 12

Do not pull the plug out form the _____.

Answer 12

Cord

Question 13

Do not stick your _____, _____ or anything else into the wall socket.

Answer 13

Fingers; bare wires

Question 14

Do not use cords that are _____ or _____; make sure that they are ________ insulated.

Answer 14

Worn; frayed; completely

Question 15

Do not put cords near _____, under ____ or where ______ _____.

Answer 15

Heat; mats; people walk.