I am a Head of Physics and have been teaching for 14 years. I have created a range of resources appropriate for any GCSE physics course to be used formatively before the end of a topic so any misconceptions can be addressed before a test is given. I felt there was a need for extended tasks that would interest pupils and provide genuinely useful feedback on what the pupils understood. The tasks have been designed to be easy to mark and write written feedback based on the level of understanding.