Light will be introduced, as well as ways light is described and measured. Visual diagrams and hands-on experiments help students understand how light works. Important terminology includes: wave, electromagnetic spectrum, wave length, energy, reflection, lens and prism.

Originally released by Visual Learning, 2004. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015.

Introduction: Light (0:45); --Light Essential for Life (1:01); -- What Light Is (1:36); -- Speed of Light (1:02); -- Electromagnetic Spectrum (1:36); -- Electromagnetic Waves (2:00); -- Visible Light (2:09); -- Mirrors and Lenses (1:21); -- Summary: Light (1:50); -- Video Assessment: Light (1:35); -- Credits: Light (0:41); -- Sign Systems (3:32);.