Update
01-01-2011
Content Type
Lesson Plan
Grade Level
Fifth grade, Sixth grade, Seventh grade, Eighth grade, Ninth grade, Tenth grade, Eleventh grade, Twelfth grade
Object Type
Website
License

This lesson plan teaches students about how the brightness of a source of light is a function of the inverse and how that brightness can be used to measure distances. Students will use a light window to determine how astronomers use light to measure the distance between solar system objects.