Investigating Magnetism
Bok av Sally M. Walker
You know that magnets hold pictures on a refrigerator. But have you ever found a magnet's north pole? Or turned an ordinary paper clip into a magnet? Now you can! Explore magnetism with the fun experiments you'll find in this book. As part of the Searchlight Books(TM) collection, this series sheds light on a key science questionHow Does Energy Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!