Magnetism Investigations

Magnetism Investigations book cover — Alternator Books MAGNETISM INVESTIGATIONS KAREN LATCHANA KENNEY Lerner Publications Minneapolis

Magnetism Investigations — page 1 — INTRODUCTION FINDING THE WAY ou're hiking in the woods and suddenly everything looks the same You're lost and there's no trail in sight Thankfully you've got your compass You pull it out and hold it still The needle swings around showing you which way is north Now you can find your way Compasses are great tools especially in the woods or open seas where there aren't many landmarks Sailors have used compasses to navigate seas since the twelfth century They always work but do you know why It has to do with magnets and magnetism Magnets are pretty much everywhere from the door The needle of a compass always points north People began using simple compasses for navigation even before they understood how worked magnetism

Magnetism Investigations — page 2 — With a map and a compass you can find your way out of the woods or nearly anywhere else of your fridge to the inside of your laptop Have you ever wondered what makes magnets work Or why some things stick to magnets and others don't These are the kinds of questions that lead to scientific theories Scientists study the world and ask questions about how it works Then they test their ideas through experiments and come up with answers based on evidence This process is known as scientific inquiry Through questions and experiments we can learn a lot about our world What do you want to know about magnetism 5

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