Education Technology

Vernier - Comparing Sunscreens

Published on 06/09/2008

Activity Overview

In this activity, students use the UVB Sensor to measure the amount of UVB light that passes through a thin film of sunscreen. They analyze the relationship between the SPF values and the intensity of UVB light transmitted by the sunscreen.

Key Steps

  • Image

    The initial graph made shows that the intensity UVB light without any sunscreen is many times greater than with the lowest SPF sunscreen.

  • Image

    Graphing the UVB intensities of just the sunscreens gives students a better way to compare sunscreens.