Home Economics - Services to the Home

This is a switch in the fuze box that clicks off if there is a fault

A fuse will blow if there is to much electricity flowing through it

Live wire

Neutral wire

Earth wire

Doubly insulated - This means that the appliance does not have an earth wire

1. Do not touch anything with wet hands

2. Do not bring anything electrical into bathrooms

3. Do not overload sockets

4. Replace damaged leads

5. Use the correct size of fuse

1. Open windows and doors

2. Call the gas company

3. Turn the gas off at the meter

4. Do not smoke or light a match

5. Do not turn anything electrical on or off

To kill bacteria

To make our teeth and bones strong

1. Immersion

2. Back boiler

3. Central heating

4. Solar panels

1.Light

2. Ventilation

3. Easily plumbed

4. It is nice to look out the window while working

It stops germs and smells from comingback up the plughole

1. Tungsten filament bulbs

2. Halogen bulbs

3. Fluorescent tubes

4. Compact fluorescent lamps (CFLs)

5. Light emitting diodes (LEDs)

1. Conduction - heat travels along something solid and the entire  object becomes hot eg. storage heater

2. Convection - air or water is heated, rises and is replaced by cool air or water eg. a fan heater

3. Radiation - heat rays heat the object or person they shine on eg. a bar fire

1. Convenient

2. Gives off good heat

1. Oil can be expensive

2. It is non renewable

3. Bad for the environment

1. Clean

2. Efficient

1. Can run out

2. Dangerous if it leaks

1. Widely available

2. Gives off good heat

1. Dirty to use

2. It is non renewable

3. Bad for the environment

1. Cheap

2. Environmentally friendly

1. Burns quickly so it does not give off alot of heat

2. Difficult to store

1. Cheap

2. Widely available

1. Burns quickly so it does not give off alot of heat

2. Difficult to store

It can be set for a certain temperature and once that temperature is reached the thermostat switches the heating system off

Fibreglass, wool and foam

Cavity wall insulation

Carpet and underlay

Double glazed windows

This is an energy rating on your house

It is a scale of A-G.  A rated homes are the most energy efficient

This certificate is compulsory if a person is selling or renting their house

1. It replaces stale air with fresh air without causing a draught

2. It prevents condensation and stops the room from getting to warm and stuffy

1. Choose appliances with a good energy rating

2. Put a lagging jacket on the hot water cylinder

3. Have showers instead of baths

4. Switch off lights when not in use

5. Do not leave TVs ot computers on standby

6. Insulate the house

7. Only boil the amount of water you need in the kettle

8. Use the dishwasher or washing machine when it is full