Grade 3- Heat

Sources of Heat

We get heat from different things in the environment.

The things that give us heat are called sources of heat.

Heat is usually produced from things that are burning or rub.

Things that burn to produce heat are called fuels.

Sources of heat include:

✓ The sun.

✓ Gas.

✓ Electricity.

✓ Charcoal.

✓ Kerosene.

Sources of heat at home and fuel used

Source of heat	Fuel used
Solar heater	Sun
Charcoal burner	Charcoal
Stove	Kerosene or paraffin.
Traditional jiko	Firewood
Electric cooker	Electricity

Uses of Heat in the Environment.

Heat is used to

1. Warming ourselves.

2. Used for cooking.

3. Used for ironing.

4. Used for drying

Basic Heat conservation measures at home.

Heat conservation measures are things we do to prevent loss of heat

We can reduce loss of heat by:

1. Switching off heat source after use and when not in use.

2. Use energy saving stoves.

3. Protecting fireplaces from winds.

4. Use right heat source for right purpose.

5. Use heat without wastage.

How to keep safe when using different sources of heat.

1. Avoid playing with fire.

2. Avoid playing with electric appliance.

3. Avoid prolonged exposure in the sun.

4. Be aware of fire alarms.

5. When in fireplaces be accompanied by adults.