1. Watch the Dark Side Video.
Download the accompanying worksheet.
2. Write a prediction for:
What Percentage will the light reduction will be?
** add your prediction to the bulletin board below.
3. Write down any known information on your handout:
4.What percentage of light reduction will there be after 2 pairs of sunglasses?
5. Find out how much the light reduction will be after 5 pairs.
6.Watch the act-3 video to check your answer.
7. Sequel: How many pairs will it take for their to be lower than 99% light reduction?
Credits: This is a sequel to Dan Meyer’s Double Sunglasses
