1. pg171 Reflection, Absorption
Vocabulary:
reflection, absorption, transmit,

2. Absorption
Any time light hits a surface, some of it is absorbed, or taken in.
When light is absorbed into a surface it is transformed from light energy, into heat energy.
That is why on a sunny day it is cooler to wear a white t-shirt, than a black t-shirt; dark surfaces absorb more light than lighter surfaces.

3. Absorption of light (pg 171)
Why an object appears to be a
certain colour.
Absorption of light through a transparent object.
Light is absorbed differently by different materials. A mirror, for example, will absorb no light, while a coloured piece of cellophane will absorb all colours, except its own colour.

4. Demonstrate using light kit use cellophane in the light kit

5. How a piece of blue cellophane affects the image that we see.

6. When Light Strikes an Object
Light travels in a straight line.
It will continue moving in a straight line, until it hits something.
Depending on what it hits, light may behave in very different ways.

7. Reflection When light bounces off a surface, it is called reflection.
When light is reflected it travels in a straight line away from the reflecting surface.
Example of Reflection: