Teaching Optics, lenses, or the spectrum? This song is a parody teaching about optics sung to the tune "Head and Shoulders, Knees and Toes!". This is the Optics song, part of the Sing Along Science series of songs. Included is a zip file with the following:* A color classroom handout with words, diagrams and pictures for students to read while singing the song. * A color handout sheet with chords for guitar, piano, or keyboard. * A wav file from the Sing Along Science CD to play in your classro