Understanding the spectrum of light using a prism

Additive, secondary, and complementary colors of light

Pigment vs dye and primary vs secondary pigments

Thin film interference in soap bubbles

Understanding polarization of light and polarized materials

Choosing translucent vs opaque window shades

Adding colors to green light to produce white light

Mixing primary pigment colors to get blue

Apparent color of a yellow tennis ball under different lights

Effect of passing light through a polarized filter

Explaining why sound waves cannot be polarized