1. NATURAL SCIENCES GRADE 5 Energy & Change

2. A fuel is a material that is burned to produce energy. Wood, gas, coal and oil are examples of fuels. NATURAL SCIENCES GRADE 5

3. We burn wood to keep warm and to cook our food NATURAL SCIENCES GRADE 5

4. Energy from the sun is stored in the tree’s wood which is released as light and heat when we burn the wood. SOLAR ENERGY NATURAL SCIENCES GRADE 5

5. We use it to cook food or heat water. NATURAL SCIENCES GRADE 5

6.  Paraffin is made from coal or petroleum.  We use it in paraffin stoves to cook food or heat water.  We use it in paraffin lamps to give us light. NATURAL SCIENCES GRADE 5

7. Wax in the candle is burnt to provide light. The wax contains stored energy which changes into light when burnt. NATURAL SCIENCES GRADE 5

8. We use the heat of coal to cook our food and warm our houses. NATURAL SCIENCES GRADE 5

9. Coal OilNatural Gas NATURAL SCIENCES GRADE 5

10. They were made from prehistoric plants. http://www.youtube.com/watch?v=_8VqWKZI PrM NATURAL SCIENCES GRADE 5

11. paint chemicalscandle waxparaffin Vaseline & cosmetics tar nylon plastics fertilizers Petrol for motor cars and aircraft car oil NATURAL SCIENCES GRADE 5

13.  http://www.youtube.com/watch?v=-pHav-3QZkI http://www.youtube.com/watch?v=-pHav-3QZkI  http://www.teachertube.com/viewVideo.php?video_id=11178 http://www.teachertube.com/viewVideo.php?video_id=11178  http://www.youtube.com/watch?v=-GgWRnUMAwM http://www.youtube.com/watch?v=-GgWRnUMAwM  http://www.youtube.com/watch?v=xmsTccmRMh4 http://www.youtube.com/watch?v=xmsTccmRMh4 NATURAL SCIENCES GRADE 5