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Materials for Insulation/Lesson: Difference between revisions
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→Learning Objectives for science
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== Learning Objectives for science == | == Learning Objectives for science == | ||
* | * Develop knowledge of everyday materials and their insulating properties. | ||
* | * Recognise that some materials are better insulators than others. | ||
* | * Reinforce skills of hypothesising predicting and investigative ability. | ||
* | * Plan and carry out a fair test with help. | ||
== Resources == | == Resources == | ||
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== Introduction – 15 minutes == | == Introduction – 15 minutes == | ||
1. How do we keep ourselves warm? What kinds of materials do we use to keep warm? | 1. How do we keep ourselves warm? What kinds of materials do we use to keep warm?<br /> | ||
2. Discuss the meaning of ‘insulation’ and seek examples of things in everyday life. Why do you think they are good insulators? | 2. Discuss the meaning of ‘insulation’ and seek examples of things in everyday life. Why do you think they are good insulators?<br /> | ||
3. Teacher sets the scenario for the investigation: ‘I take my hot drink to the playground – what materials could I wrap it with to keep the drink warm for the longest time possible?’ | 3. Teacher sets the scenario for the investigation: ‘I take my hot drink to the playground – what materials could I wrap it with to keep the drink warm for the longest time possible?’ <br /> | ||
4. Children make their hypothesis for the investigation and form groups. | 4. Children make their hypothesis for the investigation and form groups.<br /> | ||
5. Following discussion, the children predict the order of worst to best insulators. | 5. Following discussion, the children predict the order of worst to best insulators.<br /> | ||
'''Key questions and language''' | '''Key questions and language''' | ||
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== Development – 50 minutes == | == Development – 50 minutes == | ||
6. List the available equipment on the board for children to choose. | 6. List the available equipment on the board for children to choose. <br /> | ||
7. Discuss the investigation with the class. | 7. Discuss the investigation with the class.<br /> | ||
8. How can we investigate which material will insulate best? How can we make our comparison fair? Which things will change? What will be kept the same? Write up ideas on the board for children to refer to. | 8. How can we investigate which material will insulate best? How can we make our comparison fair? Which things will change? What will be kept the same? Write up ideas on the board for children to refer to. <br /> | ||
9. Children now design their investigation in groups. Which beaker feels the warmest on the outside at the beginning, middle and end of the investigation? What does this tell you? Why do you think this is so?<br /> | 9. Children now design their investigation in groups. Which beaker feels the warmest on the outside at the beginning, middle and end of the investigation? What does this tell you? Why do you think this is so?<br /> | ||
