•Air introduces the young reader to the science of air: what it is, the atmosphere, air pressure, hot and cold air, moving through air, and air power. Step by step projects explain how to make a barometer to forecast the weather, etc.
•Contents: What is air? | Atmosphere | Air Pressure | Compressed air | Hot and cold air | Pockets of air | Flying through air | Moving shapes | Air power | Glossary | Index
What Is Sound? | Speed Of Sound | Hearing Sound | Musical Sound | Noise | Echoes & Acoustics | Resonance | Wonderful Sound | Glossary | Index