Properties of light

1. 3-Light travels really fast (300.000km/s in a vacuum)

2. 4-Light only passes trough some objects

2.1. transparent

2.2. translucent

2.3. opaque

3. 5-Reflection

4. 7-Dispersion

4.1. white light is composed of seven colours

5. 1-Light propagates in a straight line

5.1. Shadows

5.2. Eclipses

6. 2-Some objects produce light, others reflect it

6.1. luminous objects

6.2. non-luminous objects

7. 6-Refraction

8. 8-Colours