Physics · 6th Year

Active learning ideas

Introduction to Magnetism

Active learning helps students grasp magnetism because invisible forces become visible through hands-on exploration. When students manipulate materials and observe immediate results, abstract concepts like magnetic fields and pole interactions become concrete and memorable.

• NCCA Curriculum Specifications
• NCCA: Senior Cycle - Electricity and Magnetism
• NCCA: Primary - Energy and Forces

• 25–40 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Experiential Learning
• 35 min · Small Groups

Testing Stations: Material Attraction

Prepare stations with iron nails, aluminum foil, plastic, and paper clips. Students test each material with bar magnets, recording attraction or repulsion. Groups then classify materials as magnetic or non-magnetic based on results.

Explain why magnets attract some materials but not others.

Facilitation Tip

During Testing Stations, have students work in pairs to test materials, ensuring they rotate roles between tester and recorder to keep both engaged.

What to look for

Provide students with a bar magnet and a collection of small objects (e.g., paperclip, plastic bead, aluminum foil, iron nail). Ask them to predict which objects will be attracted and then test their predictions, recording their observations and classifying the materials based on their magnetic properties.

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Activity 02

• Experiential Learning
• 25 min · Pairs

Field Mapping: Iron Filings

Sprinkle iron filings on paper over a bar magnet; students gently tap to reveal field lines. They sketch patterns and repeat with horseshoe magnets. Pairs compare sketches to compass traces.

Compare the magnetic field lines around a bar magnet to those around the Earth.

Facilitation Tip

During Field Mapping, remind students to gently tap containers to settle filings and clearly label their sketches of field lines before moving on.

What to look for

On an index card, ask students to draw the magnetic field lines around a bar magnet, labeling the North and South poles. Then, have them write one sentence explaining why a compass needle points North.

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Activity 03

• Experiential Learning
• 30 min · Pairs

Pole Prediction Relay: Interactions

Line up pairs with magnets; teacher calls pole combinations (N-N, S-S). Students predict and demonstrate outcomes, then rotate magnets. Class discusses patterns on board.

Predict what happens when two north poles of magnets are brought close together.

Facilitation Tip

During Pole Prediction Relay, set a timer for 1 minute per round to maintain energy and prevent over-explaining—let the evidence speak for itself.

What to look for

Pose the question: 'If you break a magnet in half, what happens to its poles?' Facilitate a discussion where students predict the outcome and explain their reasoning, connecting it to the concept that magnets always have both a North and a South pole.

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Activity 04

• Experiential Learning
• 40 min · Whole Class

Earth Model: Compass Walk

Place bar magnets under paper sheets; students walk compasses around to trace Earth's field lines. Note alignment at poles. Whole class shares observations.

Explain why magnets attract some materials but not others.

Facilitation Tip

During Earth Model, guide students to walk slowly and observe the compass needle’s direction in different locations to connect the activity to Earth’s magnetic field.

What to look for

Provide students with a bar magnet and a collection of small objects (e.g., paperclip, plastic bead, aluminum foil, iron nail). Ask them to predict which objects will be attracted and then test their predictions, recording their observations and classifying the materials based on their magnetic properties.

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

A few notes on teaching this unit

Teaching magnetism works best when students build their understanding through direct observation and prediction. Avoid front-loading too much theory; instead, let students experience contradictions to their ideas, then guide them to revise. Research shows that students retain concepts better when they confront misconceptions through guided discovery rather than passive instruction.

Students will confidently identify and explain the north and south poles of magnets, map magnetic fields with iron filings, and predict interactions between poles using evidence from their experiments. They will also categorize materials based on magnetic properties and relate these observations to the alignment of domains in ferromagnetic objects.

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Watch Out for These Misconceptions

• During Testing Stations, watch for students assuming magnets attract all metals.

  Provide a varied set of materials, including non-ferromagnetic metals like aluminum and copper, and ask students to sort them into 'attracted' and 'not attracted' piles, then discuss why only iron, nickel, and cobalt are affected.

• During Field Mapping, watch for students thinking magnetic fields stop at the ends of the magnet.

  Have students trace the full loop of field lines with their fingers on their iron filing maps, emphasizing that fields extend continuously from north to south poles around the entire magnet.

• During Pole Prediction Relay, watch for students believing a single magnet can have just one pole.

  Ask students to predict what will happen if they bring the broken halves of a magnet together, then test their predictions using the relay materials to observe that new north and south poles form on each piece.

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Methods used in this brief

• Experiential Learning