eBook
Physics Classroom

The Physics Classroom: Refraction and the Ray Model of Light

For Students 9th - 10th
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.
Handout
Science4Fun

Science4 Fun: How Rainbows Work

For Students K - 1st
Learn how rainbows work by reading this illustrated explanation.