Introduces the scientific method through instructions for observations and experiments in biology, physics, astronomy, botany, psychology, and chemistry.

"Children love challenges, especially ones that involve hands-on experimentation and friendly competition. Can they build a bridge using only pasta and glue, one that a toy car can drive both under and over, and is sturdy enough to carry a considerable weight? Can they construct a "roller coaster" from recycled cardboard tubes in which the marble "car" jumps a track to land safely at its final destination? And can they create a device to safely catch...

"Explains esssential facts about magnets, including magnetic fields, Earth's magnetism, electromagnets, and magnetic trains. Includes experiments"--Provided by publisher.

Contains instructions for making easy science experiments in such categories as mixtures, food, nature, balloons and weather.

Explores the properties of air and air pressure through ten simple experiments using everyday objects.

Shows how to turn your bathtub into a laboratory and perform all sorts of experiments with water, such as showing how a submarine works, finding out when water moves upward by itself, and learning how to time your bath without a watch.

Discusses various extreme experiments such as growing a nose on someone's forehead.

Provides instructions for a variety of experiments introducing the study of light, its characteristics, sources, and uses.