Activities and experiments--such as making charcoal, measuring shadows, and calculating the speed of sound--in the areas of astronomy, weather, and geology.
Presents a variety of experiments involving living organisms, including growing bacterial cultures, calculating the rate of seed germination, regenerating animals, and using urinalysis techniques.
Gives instructions for science projects and experiments involving an ant colony, a chicken brooder, plant grafting, microphotography, water purification, and other topics.