Uses simple experiments to describe the properties of light and to demonstrate how rainbows are made, the importance of sunlight to life on Earth, how to create moving pictures, and more.
Uses simple experiments to describe the properties of sound and demonstrate how sounds are formed and how they travel, why animals can hear sounds that humans cannot, listening in stereo, and more.
Uses simple experiments to explore wheels, pulleys, levers, friction, and lift in terms of inventions and discoveries underlying the modern mechanical world.