What is the sky? -- Where does light come from in nature? -- How are colors formed? -- What is light scattering? -- What makes the sky blue? -- How are the sky and the ocean related? -- Are there other colors in the sky? -- When do you see all the colors in the sky? -- When is the sky red?
Discusses the atmosphere, wavelengths of light, clouds, rainbows, and what causes the sky to be different colors.