This section shows links to revision materials Physics P3 and P4 (Additonal Science) for the OCR Gateway Science exam - J261

Physics

P3 - Forces for transport

• Speed and Changing speed
• Forces and motion
• Work and power
• Energy on the move
• Crumple zones
• Falling safely
• The energy of games and theme rides

P4 - Radiation for life

• Sparks
• Uses of electrostatics
• Safe electricals
• Ultrasound
• What is radioactivity?
• Uses of radioisotopes
• Radiation treatment
• Fission and fusion