Magnetism Investigations

Karen Latchana Kenney

2017年8月 · Lerner Publications ™

关于此电子书

You've probably played with magnets or seen them on a refrigerator door. But did you know that magnets are used in everything from laptops to electric guitars? Why and how do these magnets work? Throughout the centuries, scientists have wondered about magnetism. Why are some objects always magnetic while others are magnetic for only a short time? How do compasses work? Do migrating animals use magnetism to navigate? When scientists have questions like these, they complete experiments to find the answers. Learn what they have discovered about magnets and magnetism.

作者简介

Karen Latchana Kenney was born near the rainforests of Guyana, but moved far north to Minnesota at a young age. She graduated from the University of Minnesota with a bachelor's degree in English and has been writing and editing since. She has worked as an editor at an educational publishing company, but is now a full-time freelance writer and editor in Minneapolis, Minnesota. She has written more than 70 books on all kinds of subjects: from arts and crafts to biographies of famous people. Her books have received positive reviews from Booklist, Library Media Connection, and School Library Journal. When she's not busy writing, she loves biking and hiking with her husband and young son in the many beautiful parks of the state. Visit her online at http://latchanakenney.wordpress.com/.