When sunlight travels through the atmosphere, blue light scatters more than the other colors, leaving a dominant yellow-orange hue to the transmitted light. The scattered light makes the sky blue; the transmitted light makes the sunset reddish orange.

A transparent plastic box, or a large beaker, jar, or aquarium
A flashlight or projector (either a slide or [...]

Motion Pictures Production Science Project Idea
How motion pictures are produced.The moving picture machine which has come to play such an important part in our lives in giving us recreation and instruction is really a projection lantern in which the pictures to be projected are very small, and developed on a roll of transparent celluloid or [...]