WJEC
| Physics |
Science: Physics 1 |
Additional Science: Physics 2 |
Extension Science: Physics 3 |
|---|---|---|---|
| Forces and energy | Energy sources. Heating and home, energy, temperature and the transfer of heat energy. Electrical energy and the home, cost of energy in the home, energy efficiency. | Distance, speed, acceleration, effect of forces, gravity, potential and kinetic energy, road safety. | Measuring speed and position of accelerating objects. Collisions and changes in direction. Distance/time and velocity/time graphs and equations of motion. Momentum. Calculating kinetic energy. Circular motion. |
| Waves and radiation | The characteristics of waves; the electromagnetic spectrum � energy transfer, information transfer, communication by microwave and infrared. Total internal reflection. | Refraction of plane waves. Ultra-scans and other uses of ultrasound. Seismic waves and how they can be used to probe the structure of the Earth. | |
| Atomic physics | The existence of radioactivity, types of radioactive emissions, half-life, uses and dangers of radioactivity. | Working out atomic structure. Radioactive decay and dating. Nuclear fission and its control in reactors. Nuclear fussion. | |
| Space | The solar system, stars and the universe. | Nuclear fusion, energy processes in stars and the potential of fusion to provide energy on Earth. | |
| Electricity | Voltage, current and power. Generation and transmission of electricity. | Simple electrical circuits, Ohm�s law, variation of current, mains wiring and safety. | Electromagnetic induction and the use of generators to generate electricity. Using transformers to increase or decrease voltages. Magnetic fields. |