HEAT

Heating is a means by which energy can be transferred. What is heating? Heating is a means by which energy can be transferred.

What is a conductor? Energy, such as heat, transfers through some materials easily. These materials are called conductors. Metals are great conductors because energy passes through them quickly

Our Experiment We will carry out an experiment to see which material is the best insulator

Materials *thermometers *elastic bands *6 jam jars with lids *a scissors *cotton wool , newspaper, tissue paper, some cloth, aluminium foil *warm water

Method Set up a fair test Insulate (wrap material around) 5 of the jars Jar 1: with cotton wool Jar 2: with newspaper Jar 3: with cloth Jar 4: with aluminium foil Jar 5: with tissue paper Jar 6: no insulation

2. Fill each jar with warm water 2. Fill each jar with warm water. Put the same amount of water in each jar 3. Take the temperature of the water in each jar and record it 4. Take the temperature of the water in each jar every 5 minutes for half an hour. Record your findings

5. Which jar has lost the least heat. Was it insulated. With what. 6 5. Which jar has lost the least heat? Was it insulated? With what? 6. Which jar lost the most heat? 7. What conclusions do you draw about materials for insulation?

Our Results Jar 1 Cloth Jar 2 Cotton wool Jar 3 Tin foil Jar 4 Paper Tissue Jar 6 Control jar with no insulation Time 63 5mins 56 55 59 48 10 mins 51 52 50 43 15 mins 47 49 46 36 20 mins 44 45 32 25 mins 42 40 29 30 mins 38 39 25

most heat loss and least heat lost 5 mins 10 mins 15mins 20 mins 25mins 30 mins

Setting up our experiment

Measuring out the water and taking the temperature

Analysing our mathematical data

We recorded our work on a table and drew a trend graph and bar chart

Our Charts