Magnetism Investigations
From the Series Key Questions in Physical Science (Alternator Books ® )
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.
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978-1-5124-4005-8
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$21.99 | |
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978-1-5124-7141-0
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$34.99 |
