Energy in the home

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Slide 1

Energy

By the end of this unit you should :-

Know that energy is required for heating, lighting and operating appliances.

Know that energy can be supplied from electricity,gas oil, or solid fuel.

Know that the cost of home heating depends on the fuel and installation costs.

Know that the cost of running an appliance depends on the power.

Energy in the home

Slide 2

energy

energy in the home

Know that energy costs can be calculated from the difference

between two meter readings.

Know that energy losses cost money.

Know that energy can be lost by convection ,conduction and radiation.

Know that heat loss can be cut down by insulation, double glazing, and draught excluders.

Know that heat waste can be cut down by for example using showers instead of baths.

Slide 3

energy

energy in the home

10. Know that many appliances use thermostats to keep a steady temperature.

Slide 4

heating

lighting

cooking

fun

These are the four main activities that people use energy for in a house.

Slide 5

energy

1. By looking at the picture

shown, list the number

of ways in which energy

is used.

Which appliances use

the most energy?

Slide 6

energy

energy in the home

Energy can be supplied to the home in three ways.

Electricity :- this is brought to us from power stations.It

comes via pylons and underground cables.

Gas :- this comes from the north sea.It is pumped along

pipelines to gas stations.

Solid fuel :- this is the form of coal, wood or peat.Coal is

mined and peat is cut from the ground.

Slide 7

Types of heating

Most houses use either

Gas central heating.

Electric central heating.

Gas fires.

4. Electric fires.

Slide 8

Uses of energy in the home

energy

Hot water

20%

TV

10%

cooking

10%

Room

Heating

65%

Slide 9

energy

uses of energy in the home

The next slide shows the uses of energy in the home.

The uses are :- 1. Hot water 20%.

2. T.V. ,lights etc. :-5%.

3. Cooking :- 10%.