This is a lesson designed to meet specification points for the new OCR GCSE (Gateway) Biology 'Scaling up’ scheme of work.
The lesson begins with children being asked to discuss their ideas about the environmental factors which would affect the rate of transpiration.
After a short class discussion, children will be given a slip of information about one of the four factors affecting the rate of transpiration - light intensity, humidity, temperature and wind. Children will need to walk around the room and share information with each other, to complete their table of information in their books. This task can be self-assessed once complete.
Next, children will watch a video on the use of a potometer, during which they will need to answer a set of questions. After this, they can self-assess their work using the answers provided.
Children will now be shown how to calculate the rate of transpiration, using a worked example. Children will then test their understanding of this by completing a ‘quick check’ task, the answers for this are provided in the PowerPoint.
The plenary task required pupils to compile a list of key words related to the B2 ‘Scaling up’ module of learning.
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