Physics · Year 11

Active learning ideas

Magnetism and Magnetic Fields

Active learning works for magnetism because students need to see, touch, and manipulate magnetic fields to grasp abstract field concepts. Moving beyond diagrams to physical interactions helps students correct misconceptions about where fields exist and how poles behave.

• ACARA Content Descriptions
• AC9SPU15

• 20–50 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Stations Rotation
• 50 min · Small Groups

Stations Rotation: Field Mapping Stations

Prepare stations with bar magnets, solenoids connected to batteries, straight wires, and ring magnets. Students sprinkle iron filings, sketch field lines, and use compasses to trace directions. Groups rotate every 10 minutes, comparing sketches in a class gallery walk.

Differentiate between magnetic poles and electric charges.

Facilitation Tip

During Field Mapping Stations, remind students to record compass directions at multiple points around the magnet to avoid oversimplified sketches.

What to look for

Provide students with diagrams of bar magnets and current-carrying wires. Ask them to draw the magnetic field lines and label the direction of the field using the appropriate right-hand rule. Check for accurate representation of field patterns and directional arrows.

• Remember
• Understand
• Apply
• Analyze
• Self-Management
• Relationship Skills

Activity 02

• Concept Mapping
• 30 min · Pairs

Pairs: Right-Hand Rule Practice

Provide wires, batteries, and compasses. Pairs send current through straight and looped wires, use right-hand grip rule to predict field direction inside loops, then verify with compass needles. Discuss matches and mismatches.

Construct magnetic field lines around bar magnets and current-carrying wires.

Facilitation Tip

When practicing the right-hand rule, circulate to check thumb and finger alignment on each student’s hand before they proceed to the wire demonstration.

What to look for

Pose the question: 'How is the interaction between two bar magnets different from the interaction between two charged objects?' Facilitate a class discussion where students compare and contrast attraction/repulsion based on pole type versus charge type, referencing their observations.

• Understand
• Analyze
• Create
• Self-Awareness
• Self-Management

Activity 03

• Concept Mapping
• 40 min · Whole Class

Whole Class: Electromagnet Challenge

Demonstrate a solenoid electromagnet lifting paperclips. Students vote on predictions for field strength changes with turns or current, then test in sequence. Record data on board for pattern discussion.

Explain how Earth's magnetic field protects us from solar radiation.

Facilitation Tip

For the Electromagnet Challenge, assign roles so every student participates in coil wrapping, power connection, and testing the strength of the magnet.

What to look for

Students answer the following: 1. Briefly describe one way magnetic poles and electric charges are similar. 2. Explain one reason why Earth's magnetic field is important for life on our planet.

• Understand
• Analyze
• Create
• Self-Awareness
• Self-Management

Activity 04

• Concept Mapping
• 20 min · Individual

Individual: Compass Earth Model

Each student uses a bar magnet under paper with compass to mimic Earth's field. They label poles, trace lines, and note how compass aligns to 'magnetic north'. Share photos for class comparison.

Differentiate between magnetic poles and electric charges.

Facilitation Tip

During the Compass Earth Model activity, ensure students align their bar magnet with Earth’s geographic north before marking field lines to prevent skewed observations.

What to look for

Provide students with diagrams of bar magnets and current-carrying wires. Ask them to draw the magnetic field lines and label the direction of the field using the appropriate right-hand rule. Check for accurate representation of field patterns and directional arrows.

• Understand
• Analyze
• Create
• Self-Awareness
• Self-Management

A few notes on teaching this unit

Teach magnetism through cycles of prediction, observation, and explanation. Start with simple bar magnets to establish rules, then introduce currents as a source of fields. Use analogies carefully—electric fields and magnetic fields behave differently, so avoid overgeneralizing. Research shows hands-on interactions reduce misconceptions about isolated poles and field origins.

Successful learning looks like students accurately mapping field lines, applying the right-hand rule with confidence, and explaining why cutting a magnet always creates new poles. Students should articulate how electric currents create fields, not just permanent magnets.

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Watch Out for These Misconceptions

• During Field Mapping Stations, watch for students assuming magnetic fields only exist around permanent magnets.

  Guide students to test a current-carrying wire with a compass at the stations. Have them predict field direction using the right-hand rule, then observe deflection to see that currents produce fields.

• During Field Mapping Stations, watch for students labeling Earth’s geographic North Pole as the ‘north pole’ of a magnet.

  Ask students to compare their bar magnet field lines to a compass’s alignment. Have them discuss why the magnet’s north pole points toward geographic north but aligns with Earth’s magnetic south pole.

• During Electromagnet Challenge, watch for students expecting to isolate a single pole after cutting a magnet.

  Provide two small bar magnets from one large magnet. Ask students to test each piece’s poles with a compass and discuss why cutting creates new dipole pairs, reinforcing the dipole nature of magnetism.

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Methods used in this brief

• Stations Rotation
• Concept Mapping