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Aims
Students should:
- understand the role yeast plays in bread making
- know the effect that temperature and sugar (substrate) concentration have on the rate of bread dough expansion
- understand the need to control variables in investigations
Contents
- Starter (including animation) outlining how yeast causes dough to rise.
- Simulated investigation into the effect of temperature/sugar concentration on the rate of bread dough rise.
- Results table and graph to collate and present investigation results.
- Plenary pages with drag-and-drop cloze procedure and extension questions for discussion.
National curriculum/GCSE specification links
National curriculum: KS4 Life processes and living things - 2.2 & 2.8; Scientific enquiry 1.1, 3.2-3.5 & 3.17.
WJEC Double award science - Biology HO1 (2) & HO4 (1, 2)
WJEC Applied Science - Unit 2 1.1 (1), 1.3 (1), 1.4(3)
Download lesson pack. This is a self-extracting zip file. For ease of use, create a folder on your computer first, then click on this link. You will be asked where you would like to unzip these files to - browse to the folder you have created, then click unzip. There will be a Start Here file in this folder.
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