| 1 | Gamma rays come from nuclear explosions and are very damaging to humans. |
|---|---|
| 2 | X-rays can also damage humans and cause cancer. |
| 3 | Ultraviolet is next in line and can cause damage to your skin and eyes. |
| 4 | Visible light which is the only part that our eyes can detect. |
| 5 | Infra-red which we can feel but not see. |
| 6 | Microwaves are longer than infra -red but have less energy. |
| 7 | Radio waves are long waves that can penetrate the atmosphere. |
Correct: You know your electromagnetic spectrum. Well done!
Incorrect: Try again.