This is a PowerPoint for a KS3 class. It has details of a practical and resources required. Pupils make their own lenses and then work through how to find the focal length of a lens themselves. There are plenty of opportunities to expand for higher ability differentiation. Could ask pupils to draw their own ray diagrams and use write sentences with key words such as converging and diverging.
Lesson Targets
Be able to draw and label a lens ray diagram
Describe the process of finding the focal length of a lens
Lesson Targets
Be able to draw and label a lens ray diagram
Describe the process of finding the focal length of a lens
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Used for a low ability year 8 class, and it was perfect. Clear and eliminates misconceptions.
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£2.00