商品簡介
The perfect science fair idea books. Spectacular Science Projects Janice VanCleave's Magnets
* How does a compass work?
* What is a magnetic field?
* How can you make a magnet with electricity?
Janice VanCleave's Magnets includes 20 simple and fun experiments that allow you to discover the answers to these and other fascinating questions about magnets, plus dozens of additional suggestions for developing your own science fair projects. Learn about magnetic poles using a bar magnet, paper, and string; about magnetic force fields with a compass, a pencil, and a sheet of paper; and much more. All experiments use inexpensive household materials and involve a minimum of preparation and clean up. Children ages 8-12 Also available in the Spectacular Science Projects Series: Janice VanCleave's Animals Janice VanCleave's Earthquakes Janice VanCleave's Electricity Janice VanCleave's Gravity Janice VanCleave's Machines Janice VanCleave's Molecules Janice VanCleave's Microscopes and Magnifying Lenses Janice VanCleave's Volcanoes Janice VanCleave's Weather
作者簡介
JANICE VANCLEAVE, the author of the popular Science for Every Kid series, is a former science teacher and a captivating presenter at museums, schools, and bookstores nationwide.
