Comprehension and additional task exercises pages 62 and 63 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website.
This exercise covers:
• That chemicals change from reactants to products in chemical reactions
• How we know a chemical reaction has taken place: colour change, smell, precipitate, light, temperature change and bubbles (gas release)
• Examples of where we might see each change
• Amazing WHAT? facts
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