Comprehension and additional task exercises pages 136 and 137 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website.
This exercise covers:
• Insulators as poor conductors of heat: a copper rod and a glass rod in a Bunsen flame to illustrate
• Materials can be arranged in order of their conductivity, higher conductivity better conductor
• Applications where conductivity is needed: frying pan
• Insulation (trapped air) reducing heat transfer by conduction and convection, applications and explanations for: double glazing, loft insulation, cavity wall insulation, oven gloves, winter coats
• A plotting exercise on insulating hot water in a beaker with questions
• Amazing WHAT? facts
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