Science Buddies
Science Buddies: How Does the Intensity of Light Change With Distance?
How far would you have to travel so that the light of the full sun would provide "daylight" no brighter than twilight on Earth? This project describes a method to verify the inverse square law: how light, sound, electrical signals, and...
Better Lesson
Better Lesson: Waves Performance Assessment Part 1
Students will use a variety of objects to participate in a partner activity and communicate using light and sound waves. Resources include a video, pictures and videos of the lesson in action, and examples of student work.
Physics Classroom
The Physics Classroom: Waves: Waves and Wavelike Motion
Here is an introduction to the concept of waves and wavelike motion people experience anywhere and everywhere.
NASA
Rxte Learning Center: Frequency, Wave Length, and Energy Activity
Resource focuses on the relationship between the frequency, wavelength and speed of light. Has a link to an interactive activity relating frequency, wavelength, and energy.
Science Buddies
Science Buddies: Measuring Vibrational Frequency With Light
Strike a key on the piano, and you hear the string vibrating. Just about any object vibrates when it's knocked, but how much and how fast? This project helps you find out. You'll build a simple light-sensing circuit for measuring the...
Sophia Learning
Sophia: Wave Interference: Lesson 1
This lesson will discuss the differences between constructive and destructive wave interference. It is 1 of 2 in the series titled "Wave Interference."
BBC
Bbc: Bitesize: Gcse: Physics: Reflection and Refraction
All waves will reflect and refract in the right circumstances. The reflection and refraction of light explain how people see images, color and even optical illusions. This tutorial discusses each concept and presents an experiment to try...