Back to Chalkboard Teach Lesson 01 – Sources of Light View Activity Lesson 02 – Light and Energy View Activity Lesson 03 – Experiment: Make Your Own Rainbow View Activity Lesson 04 – Experiment: How Does Light Travel? View Activity Lesson 05 – Reflected Light View Activity Lesson 06 – Experiment: Refracted Light View Activity Lesson 07 – Experiment: Light Passing Through Materials View Activity Lesson 08 – What Can You See Through? View Activity Lesson 09 – Light Technology View Activity Lesson 10 – Experiment: What Is Sound? View Activity Lesson 11 – Experiments: Travelling Sound (Experiment 1) View Activity Lesson 12 – Experiments: Travelling Sound (Experiment 2) View Activity Lesson 13 – Changing How Sound Travels View Activity Lesson 14 – Experiment: Loudness View Activity Lesson 15 – Experiment: Pitch View Activity Lesson 16 – Hearing Sounds View Activity Lesson 17 – The History of Hearing Aids View Activity Lesson 18 – Musical Instruments View Activity Lesson 19 – Safety with Light and Sound View Activity
