b
| Front | What are the 7 electromagnetic waves in order of ascending frequency |
| Back | . Radio waves. Microwaves. Infrared. Visible light. Ultraviolet. X-rays. Gamma rays |
| Front | How is momentum calculated |
| Back | Velocity X mass |
| Front | What are the risks of ultraviolet |
| Back | . Skin burns. Skin cancer after too much exposure |