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."
Exploratorium
Exploratorium: Science Snacks: Bubble Tray: Create Giant Bubbles
With this fun bubble tray experiment, students create giant bubbles and learn about surface tension and light interference.
Optical Society
Optical Society of America: Optics for Kids: Interference in a Ripple Tank
An investigation, using a ripple tank, into how waves behave when they collide with each other. With an explanation of what is observed, and a link to an article on refraction.