Unit Plan
Scholastic

Scholastic: Study Jams! Science: Light Absorption, Reflection, & Refraction

For Students 3rd - 7th
A video and a short quiz on the properties of light.
Interactive
Pennsylvania State University

Kettering University: Vibration & Waves

For Students 9th - 10th
A short tutorial providing general information about waves, their categories, properties and behaviors. Includes several animations and some practice questions with answers.