- Take your CD and shine a light on it. Make sure that you have a surface for the light to reflect onto.
- Notice the shape of the rainbow. How is it similar to the shape of the CD?
- Next, use the scissors and paper to make a paper snowflake.
- Tape the snowflake onto the CD and shine the light on it.
- How is the shape different? What does it have to do with the shape of your CD?