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A Genius Idea
A Genius Idea for an electrific pick
- Secondary 1
- Secondary 2
- Secondary 3
- Secondary 4
- Secondary 5
20–35 minutes
A challenge in which students simulate a sorting facility by designing an electromagnet capable of separating ferromagnetic metals from other materials. They’ll experiment with magnetism and explore how electromagnets are used in real-world technologies such as the electromagnetic cranes found in recycling centres.
Physical principles covered
- Magnetism
- Electromagnetism
- Magnetic fields
- Electric currents
- Solenoids
- Properties of ferromagnetic materials
Required materials
- Two containers with metal paper clips and other non-ferromagnetic materials
- Insulated electrical wire (~60 cm)
- Threaded rod or iron/nickel nail
- Size D battery, 1.5 V
- Battery holder
- Alligator clips
Concepts from the Québec Education Program
Science and Technology – The material world:
- Electricity and electromagnetism
- Magnetic field of a live wire
- Solenoids and electromagnets
- Competency 1: Seeks answers or solutions to scientific or technological problems