Grade 9 (Short) Physics Lessons for Spring 2026
Assessments: to be arranged
Test date: 24.2
| Week number | Date | Lesson content | Lesson resources and links | Homework |
| 2 | 6.1 | - | - | - |
| 3 | 13.1 | THE SMALL STUFF Small things: structure of matter.. Scale and powers of ten. Recap the particle model. This was suggested by the Ancient Greeks who had no way of knowing if it were true. SI prefixes and powers of 10 Useful units with the very big and small | Cosmic Zoom (1968) Cosmic Eye (2018) Extra info if you want it Have you ever seen an atom? Nature, Imaging individual atoms. (2 minutes) 1 ppt Lesson notes for both groups | |
| 4 | 20.1 | HOW DO WE KNOW? Scientific hypotheses - how do we identify the things we cannot see? 'The game of chess' idea Revising the structure of atoms. Subatomic particles - quarks | Place in order of size Atomic models through time 2 ppt lesson notes Crash course in particle physics (in case you are interested) Part 1 Part 2 There were no lesson notes | Watch this video, and be prepared to discuss your ideas about it next week. |
| 5 | 27.1 | Paradoxes in physics - special relativity and Schrödinger's Cat | Fact, hypothesis, theory, truth ? In the lesson you are taken through the weird thinking of quantum mechanics with the wave-particle duality view of the world. The nature of paradoxes and a different way of viewing the world are introduced. No cats were harmed in the lesson Paradoxes - what are they? NewScientist article on Schrödinger’s cat
| |
| 6 | 3.2 | Ionising radiation | 4 ppt Types of nuclear radiation Dangers of ionising radiation Alexander Litvinenko story Ionising radiation graphics Lesson notes | |
| 7 | 10.2 | Properties of radiation | Ionising powers Half life Nuclear Fission Chernobyl video Lesson notes | Study for the test |
| 8 | 17.2 | Mass and energy equivalnece | Fission and fusion Einstein's equation 5 ppt Where does the energy come from? Mass defect. Einstein's equation. Lesson notes | Study for the test Help sheet |
| 9 | 24.2 | TEST | ||
| 11 | 10.3 | |||
| 12 | 17.3 | |||
| 13 | 24.3 | |||
| 14 | 31.1 | |||
| 15 | 7.4 | |||
| 16 | 14.4 | |||
| 17 | 21.4 | |||
| 18 | 28.4 | |||
| 19 | 5.5 | |||
| 20 | 12.5 | |||
| 221 | 19.5 |
