This lesson is designed for the NEW AQA Physics GCSE, particularly the ‘Forces in Balance’ SoW.
 
For more lessons designed to meet specification points for the NEW AQA Trilogy specifications for Biology, Chemistry and Physics please see my shop: https://www.tes.com/teaching-resources/shop/SWiftScience
 
The lesson begins with a question posed to students, asking them to consider which of the two screwdrivers would be better for opening a tin of paint. Students are then shown why a screwdriver with a longer handle would more appropriate for this job, by demonstrating how levers (such as screwdrivers) can act as force multipliers.
 
The next activity requires students to complete a set of questions, to recap on their knowledge of moments. The students can complete this task in their book, showing all working, and then can self-assess their answers using the mark scheme provided.
 
In the next part of the lesson, students are introduced to the idea of gears. Using a diagram to help, students are shown how gears are used to change the moment of a turning effect. To increase the moment of a turning effect, a small gear wheel needs to drive a larger gear wheel. Students will learn what happens when a car changes gear.
 
Next, you will run through a worked example showing students how you can use the radius of two gears, plus the moment of one of the gears to work out the moment of the other gear. Once students feel confident with this method, they will be given a set of questions to complete on their own. They can complete these questions in their books, and show all working. The mark scheme for this task is included on the PowerPoint so students can either peer-assess or self-assess their work.
 
The plenary task requires students to write out a list of key words that are relevant to today’s lesson. As an extra challenge they could try to write definitions too.
 
All resources are included. Thanks for looking, if you have any questions please do email swyftresources@gmail.com.