This simple introduction to air looks at what air is, air and animals, how humans breathe air, air and plants, water in the air, the wind, rising and sinking air, air pollution and wind power. Includes a quiz and a step-by-step activity for how to make a wind spinner.
Be amazed by answers to these questions and the incredible human body facts in this book. the fantastic illustrations on brightly colored pages show you how all the different parts of your body work together, from the tiniest cell in your brain to the largest bone in your leg.