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Magnetic Shielding

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Magnetic Shielding | Science Fair Projects | STEM Projects
Have you ever wondered how magnets work? In this project, you'll explore the power of magnets and how to use them to make paper clips move. You'll also learn how to stop the paper clips with a metal shield.

Hypothesis

The hypothesis is that a metal shield will stop the magnetic force of a magnet.

Method & Materials

You will make a cardboard-dowel-cardboard sandwich with a magnet attached to the top piece of cardboard. You will then add paper clips to the bottom of the sandwich and observe what happens. You will also insert a popsicle stick and a metal strapping tape (or butter knife) into the sandwich and observe what happens.
You will need a Radioshack™ donut magnet, two pieces of cardboard, two 1/4- inch dowels, five or six paper clips, a popsicle stick, a strip of metal strapping tape (or a butter knife), a hot glue gun (Elmer's™ glue or rubber bands are fine).

Results

The results showed that the magnetic field lines from the magnet passed through the cardboard and air. Materials like the popsicle stick that allowed magnetic lines of force to pass through them were called nonpermeable. The metal strapping tape (or butter knife) acted as a magnetic shield, gathering the magnetic lines of force and not allowing them to pass through.

Why do this project?

This science project is interesting and unique because it allows students to explore the power of magnets and how to use them to make paper clips move. It also teaches students how to stop the paper clips with a metal shield.

Also Consider

Experiment variations to consider include using different types of magnets, different materials for the shield, and different objects to test the magnetic force.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related videos

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