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Published byNorman Fitzgerald Modified over 9 years ago
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Do now! Can you stick the target and word sheets in your book please? Can you then fill out the first column of the target sheet? He’s going to blow! Be careful Good Neutral Excellent MOODOMETER
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Today’s lesson Know what to look for to see if a chemical reaction has occured
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Chemical reactions – What to look for
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There may be a change of colour
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Chemical reactions – What to look for There may be a gas given off (bubbles)
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Chemical reactions – What to look for There may be an energy change (gets hotter or colder)
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Chemical reactions – What to look for New substances are formed, and the change is usually difficult to reverse
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Physical changes
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Let’s have a look at a reaction Can you quietly and sensibly follow Mr Porter
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Is there a reaction? Can you stick the sheets in your book and read through carefully?
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Chemical reaction? Colour change? Gas produced? (bubbles) Energy change (hotter or colder?) New substance produced?
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Chemical reaction? Colour change? Gas produced? (bubbles) Energy change (hotter or colder?) New substance produced? You may start. Be careful! Mr Raynor
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