Grade 3 · Science · Lesson 35

Experiment with Magnets

A magnet is an object that produces a magnetic field — an invisible force that attracts certain metals. Magnets attract materials that contain iron, nickel, or steel. They do not attract wood, plastic, glass, rubber, or aluminum. The magnetic force can act through air and through some thin materials.

What this lesson teaches

1Describe magnetic force and explain what makes a material magnetic
2Distinguish between the north and south poles of a magnet
3Plan and carry out a fair test using magnets

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