Taking Action: The Active Citizen · Semester 2

Brainstorming Solutions

Generating creative and practical solutions to identified community needs, considering resources and feasibility.

About This Topic

The final topic in the magnets unit explores the practical uses of magnets in our daily lives. Students discover how magnets are used in everything from simple toys to complex technology like MRI machines and Maglev trains. This connects the 'Interactions' theme to the 'Science and Technology' aspect of the MOE syllabus.

In Singapore, magnets are used in many urban solutions, such as the magnetic strips on our EZ-Link cards or the door latches in our homes. Students learn to identify 'hidden' magnets and think about how magnetic properties solve specific problems. This topic particularly benefits from collaborative problem-solving where students must use magnets to design a simple tool or solve a classroom challenge.

Active Learning Ideas

Gallery Walk: Magnets in the House

Students bring in or draw pictures of household items that use magnets (e.g., fridge seals, handbag clasps, speakers). They explain to their peers which magnetic property is being used.

⏱ 40 min·Small Groups

Generate mission

Inquiry Circle: The Needle Finder

Groups are given a box of sand with 'lost' steel needles (or paperclips). They must design the most efficient way to use a magnet to find all the needles without touching the sand.

⏱ 30 min·Small Groups

Generate mission

Think-Pair-Share: Future Magnet Inventions

Pairs brainstorm a new invention that uses magnets to make life in Singapore easier (e.g., magnetic window cleaners for HDBs). They share their creative ideas with the class.

⏱ 20 min·Pairs

Generate mission

Watch Out for These Misconceptions

Common Misconception

Magnets are only used for sticking things to the fridge.

What to Teach Instead

Magnets are used in motors, computers, and even medical equipment. A 'hidden magnet hunt' in the classroom (checking speakers, cupboard doors, etc.) helps students see their widespread use.

Common Misconception

Magnets are only useful if they are very strong.

What to Teach Instead

Sometimes a weak magnet is better, like for a toy or a compass needle. Discussing different uses helps students realize that the 'right' strength depends on the job.

Frequently Asked Questions

What are the best hands-on strategies for teaching the uses of magnets?

A 'Magnet Scavenger Hunt' is a fantastic way to start. Giving students a magnet and letting them explore the classroom to find where magnets are used (or where they could be used) turns them into detectives. Collaborative design challenges, where they have to use magnets to solve a problem, like creating a magnetic sorting machine for a 'recycling center', help them apply their knowledge in a creative and practical way.

How do magnets help keep a refrigerator door closed?

There is a flexible magnetic strip inside the rubber seal of the door. It is attracted to the metal frame of the fridge, creating a tight seal that keeps the cold air inside.

Are there magnets in computers?

Yes, magnets are used in hard drives to store information and in the small speakers that produce sound. However, you should keep strong magnets away from computers as they can cause damage!

How does a compass use magnets?

A compass has a tiny magnetized needle that is free to spin. It aligns itself with the Earth's magnetic field, always pointing toward the North Pole, which helps people find their way.

Browse curriculum by country

• Americas
• US
• CA
• MX
• CL
• CO
• BR

• Europe
• UK
• IE
• FR
• DE
• ES
• IT
• NL
• PT
• SE

• Asia & Pacific
• IN
• SG
• AU