Light

1. Light that reflects in different directions
3. light tht has changed direction but continues to travel in the original medium
5. line on a surfce that is perpendicular to surface
6. White light that is btoken up into the different colours of light
7. The colour seen when all light is reflected by an object
8. An object that gives off light
10. Process where light moves away from its origin
12. Hole in the eye that allows light to enter the eye
14. The colour seen when all light is absorbed by an object
16. Sensory layer at the back of the eye containing photoreceptors
17. Colour reflected by a leaf
18. colour that refracts the most
19. Light ray that travels towards the reflective surface
20. Colour with the shortest wavelength and highest frequency

2. Angle between the normal and the reflected ray
4. Allows light to travel through
9. Does not allow light to travel through
10. A diagram that uses lines with arrows to show the path of a ray of light
11. Type of energy form a light source that can be observed by the human eye
13. Length of one wav
15. Number of complete waves that pass a point in one second
16. ability to of light to change dirction when going from one medium into another