Robert Gardner 
How Hot is Hot? [PDF ebook] 
Science Projects with Temperature

What is the coolest place in your house? Why should you wear dark-colored clothing if you want to stay warm? Is your body temperature higher on warmer days than on cold days? This book lets you perform lots of fun experiments while learning all about temperature. Using simple materials, you can do everything a scientist does: conduct experiments, keep records, and draw conclusions from what you have learned. You will also get many ideas for follow-up experiments in case you decide to enter a science fair. The colorful illustrations make the book fun and easy to read. Gather up your materials and get ready to learn all about temperature!