Plants wouldn’t grow and no other life would exist on earth. The sun, the moon, the stars, flashlights, light bulbs, fire, fireflies, rainbows, matches, fireworks, lamps, and lasers. Today we share some ideas for kids to learn about prisms, light reflection, uv light,. [try sources of light quiz 1 and quiz 2] do you know what the earth’s main source of light is? This clip has no narration.