1 | Gamma rays come from nuclear explosions and are very damaging to humans. |
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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.