Exploratorium
Inverse Square Law
The inverse square law is revealed when your class participates in this activity. They move a graph paper or perfboard square back and forth in a square of light to see how the intensity changes. You will definitely want to add this...
Curated OER
Dependence of Light Intensity on Distance
Hopefully you have a sensor interface for your physics class to use with graphing calculators when collecting data with a light sensor. If so, read on. Use this resource for learners to predict and then test whether or not the intensity...
Curated OER
Starlight
An introductory exploration of the nature of light is provided via activities and demonstrations. Science superstars observe various light sources, learn how to apply inverse square law, and practice using a light meter. Follow-up...
Curated OER
Sun, Spectra, and Stars
Get ready to spark interest in electromagnetic radiation! This resource shares nine indelible inquiries that you can choose from to ignite understanding of spectra and the relationship between light and heat. The assessments that follow...
Curated OER
Photometry of Stars and Clusters
Students apply an algorithm to measure the distance to stars in the night sky. In this photometry lesson, students observe stars in the night sky as they measure the distance to them and to the cluster, The Milky Way. They apply the...
Curated OER
The Math of Light
Investigate light intensity, illuminance, and power consumption of different light source.Compare the efficiency of light bulbs then create a persuasive advertisement about it.