Looking at Chemical Changes
Added by Dr. Phil Brown on Dec 15, 2008
This activity focuses on reactions involving acids to help students to distinguish between physical and chemical changes. Tasks involved emphasise how to recognise signs of a chemical change from observations and to apply chemical reaction knowledge in problem-solving situations, including the identification of chemical substances.
This item teaches:
- the distinction between chemical and physical changes
- about examples of chemical reactions occurring in every day life
- about the detectable features of a chemical reaction
- To be able to distinguish between physical and chemical changes
- To recognise signs of a chemical change from observations
- To apply chemical reaction knowledge in a problem-solving situation, including identifying chemical substances
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