UV resistance

Background: UV radiation is emitted by the sun. UV radiation gives your skin a brown color. If you receive to much of it your skin wil turn red and painful. It can also cause skin cancer.

Research question: Which material allows the least UV radiation to pass through the material ? (Make a ranking of materials)

Procedure:

• The picture shows the materials and equipment you have to find the answer to the research question.
• In your group make a plan on:
  1. how to do the experiment
  2. what will you write down in your table?
• Before you do the experiment discuss your plans with your teacher