Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light
Six complete lessons on refraction and the ray model of light. Tutorials include informational text, interactive activities, animations, and quick, interactive comprehension checks along the way.
Exploratorium
Exploratorium: Science Snacks: Convection Currents
Get a visual of convention currents with this activity. This activity allows students to observe the currents by bending light due to cold and warm water.
Exploratorium
Exploratorium: Science Snacks: Diffraction
Demonstrate light bending called diffraction in this activity.
Khan Academy
Khan Academy: Refraction and Light Bending
This article from Khan Academy provides information about refraction and light bending. This information is intended for the Class 12 Physics Course (India).