Electromagnetic Spectrum

2. The ..... is the bottom of a wave.
6. .....waves are used to penetrate solids and are used in doctor’s offices and as airports.
9. ......waves disturb matter.
11. .....waves occur when the motion of the medium is parallel to the direction of the wave.
12. .....waves are transverse waves that disturb electromagnetic fields.
13. .....is the number of waves per unit of time.
15. .....waves are often used in heat lamps.

1. The ..... is the top of a wave.
3. .....waves are produced by stars and galaxies.
4. .....waves are utilized by insects to locate nectar.
5. ......is the distance between one point of a wave to the same point in the next wave.
7. ..... is the maximum distance that matter is displaced from the resting position.
8. .....waves have a colour spectrum known as ROYGBIV.
10. ......waves occur when the motion of the medium is at right angles (perpendicular) to the direction of the wave.
14. .....waves have the shortest wavelength and the highest frequency.