How Do Thermometers Work?

Most kids have seen a thermometer, but few may be familiar with how one works. Readers of this innovative volume get an up-close look at these useful scientific instruments and learn how analog and digital thermometers work. Age-appropriate text introduces this key STEM-related topic in an accessible way. Colorful photographs engage developing readers and help them understand concepts important to the elementary science curriculum. Eye-catching fact boxes deliver further information in concise, manageable portions.