Scissors are commonly found on school supplies lists, but most students don't recognize them for the simple machines they are. This exploration of school buildings and grounds encourages critical thin
Key physical science concepts are presented in the context of outdoor adventures. Young nature lovers will learn about the mechanics of popular gear, and they’ll also discover the fascinating ways tha
Kids know that hockey sticks, water bottles with screw-on lids, and cleats are all used in sports. It may, however, be a surprise to them to learn that they’re all machines. This book teaches sports e
