Science 4th grade | UNIT 5: Electricity and magnetism 5.7 Magnets in everyday life
Pedro is helping his grandmother pick up pins. He is doing it the easy way - he is using a bar magnet.
A magnet attracts some materials to it. We call these materials magnetic.
Types of magnet
Magnets come in many different shapes and sizes.
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Activity 5.7 (Finding out which materials are magnetic)
You will need: a magnet - some materials to test
Choose at least six things to test, for example, buttons and paper clips. Plan a test to see which things are made from a magnetic material.
Carry out your test. Record your results in a table.
Are all materials magnetic? Use the evidence you have collected to answer this question.
Looking after magnets
Magnets lose their strength if you damage them. Make sure you don't drop them or bang them together. Store them in a box and cover the ends with a keeper
Questions
1) Name three different types of magnet.
2) Why should you not drop a magnet?