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Science resources, KS3 and KS4 following the AQA trilogy specification
KS4 - Chromosomes
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KS4 - Chromosomes

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Powerpoint and work sheet on chromosomes. The red numbers on the slides refer to the questions the students can answer on their word doc
KS3 - Food tests
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KS3 - Food tests

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A KS3 lesson on the four biological food tests: starch, protein, fats and glucose with printable work sheet on the last slide.
KS4 - Aseptic technique
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KS4 - Aseptic technique

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A work sheet for completing the practical where students make an uncontaminated bacterial culture using aseptic technique. Triple Biology ONLY AQA. Variables, method and questions.
Bacterial flow chart
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Bacterial flow chart

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A fun activity where students use the flow chart to investigate different types of bacteria. They should all start with the top question using the descriptions on the table to answer the questions. Each description refers to a type of bacteria that the students find the name of and then predict what the bacteria will look like.