Levelled quiz revision aids QUICK ON THE DRAW. OCR 21st Century Core Science topics:\nB1 You and your genes, B2 Keeping Healthy, B3 Life on Earth, C1 Air Quality, C2 Material Choices, C3 Chemicals in our lives, P1 The Earth and the Universe, P2 Radiation and Life, P3 Sustainable energy. Pupils pick which grade question they want. Higher grade equals more points. Once they have answered one and it has been marked/seen by you they can pick another one. Team with highest points at end of lesson wins. All pupils in team must have answer in books for points to count. Based on Paul Ginnis idea.