1. Light and the Electromagnetic Spectrum

2. Light as a Wave light is a visible form of energy most of the energy that surrounds us is invisible this energy travels in waves made of electric and magnetic fields called Electromagnetic Radiation

3. Light as a Wave Electromagnetic Spectrum = the entire range of visible and invisible energy waves

4. Properties of Waves wavelength amplitude

5. Wavelengths of the Electro-Magnetic Spectrum

6. Wavelength and Colour

7. Seeing Colour

8. Pinhole Camera

9. How Light is Transmitted

10. Transparent: allows light to pass through Translucent: allows some light to pass through Opaque: allows no light to pass through

11. Light Reflection The reason we see objects is because they reflect light

12. Smooth Surface

13. Rough Surface

14. Reflection in a Plane Mirror

15. Activity 4.11 How Light Reflects

16. A B

17. Law of Reflection: When light reflects off a surface, the angle of incidence is always equal to the angle of reflection i = r

18. Looking in a mirror

21. Object distance vs. Image Distance