Barometers and Hygrometers: When Should I Use Them? Air Pressure and Humidity Grade 5 Children's Books on Weather

Barometers and hygrometers are important weather instruments that meteorologists use to gather and analyze data. This book will not only show what these two instruments look like, but it will also explain what they measure. Expect to read about humidity and air pressure and how they are used to understand weather patterns. This book ends with an activity that guides you through making your own barometers and hygrometers.