Keeping WarmBook - 2007
How do batteries work? Why do people sweat when they are hot? What makes things fall to the ground? This series answers all of these questions and more through factual information and practical investigation, including diagrams and data to help interpret results. Each book includes study questions and a Can you remember the essentials? summary.
Publisher: North Mankato, MN : Smart Apple Media, 2007
Branch Call Number: j536 RIL
Characteristics: 32 p. : col. ill