Suggests activities demonstrating how variations in the creation of sound can create musical tones for the human ear and why musical instruments produce sound.
Examines what makes the air move, how wind affects us and our natural environment, how to measure and forecast weather, and how pollution affects the weather.
Examines the properties of various building materials and shows through simple text and specific do-it-yourself projects how the structure of roofs, foundations, and bridges relate to that of the human body.