Comprehension and additional task exercises pages 72 and 73 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for **free from the website.
**This exercise covers:
• A molecular description of evaporation with a pictorial aid
• Salt farming and sweating as examples
• A description of simple distillation and the apparatus set up
• A description of water/alcohol mixture separation
• A labelling exercise for simple distillation of acetone/water and salty water mixtures
• A gap filling exercise to introduce fractional distillation which can be deduced from the diagram
• Amazing WHAT? facts
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