Scientific Inquiry and the Natural World · 5th Class

Active learning ideas

Magnetism and Magnetic Fields

Active learning lets students feel and see magnetic forces that are otherwise invisible, helping them connect abstract concepts to concrete experiences. Hands-on activities with magnets, filings, and compasses make the invisible visible, building strong mental models of magnetic fields and pole interactions.

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

• 20–40 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Experiential Learning
• 20 min · Pairs

Pairs Testing: Pole Interactions

Provide bar magnets marked with north and south poles. Pairs predict and test attractions and repulsions between poles, then swap magnets with another pair to confirm patterns. Record rules in science notebooks with sketches.

Explain how magnetic poles interact with each other.

Facilitation Tip

During Pole Interactions, ask each pair to first predict what will happen before testing, then discuss why their prediction matched or did not.

What to look for

Give students a bar magnet and a small iron object. Ask them to draw the magnet and show with arrows where they think the magnetic force is strongest. Then, ask them to write one sentence explaining why the iron object is attracted to the magnet.

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

Activity 02

• Experiential Learning
• 30 min · Small Groups

Small Groups: Iron Filings Mapping

Place a bar magnet under white paper. Groups sprinkle iron filings evenly, tap gently to align, and sketch field patterns. Discuss line density near poles and repeat with horseshoe magnet for comparison.

Analyze the factors that influence the strength of a magnetic field.

Facilitation Tip

When mapping with iron filings, remind students to tap the tray gently to let the filings settle into clear patterns without overloading one area.

What to look for

Hold up two bar magnets, one at a time, and ask students to predict whether they will attract or repel based on how you present the poles. Ask them to explain their reasoning using the terms 'like poles' or 'unlike poles'.

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

Activity 03

• Experiential Learning
• 35 min · Small Groups

Small Groups: Field Strength Challenge

Students test how many paperclips a magnet picks up at set distances using a ruler. Vary distance as the independent variable, record data in tables, and graph results to identify trends.

Design an experiment to map the magnetic field around a bar magnet.

Facilitation Tip

For the Field Strength Challenge, have groups record their findings in a shared table to compare distances and strengths across different magnet setups.

What to look for

Pose the question: 'Imagine you have a magnet and a piece of paper. How could you figure out where the magnetic field is strongest without touching the magnet directly?' Facilitate a class discussion where students share ideas for mapping the field.

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

Activity 04

• Experiential Learning
• 40 min · Whole Class

Whole Class: Compass Field Plotting

Distribute plotting compasses. Class plots field lines around a bar magnet by aligning compass needles and marking directions with pencil dots. Connect dots to reveal full field and compare to predictions.

Explain how magnetic poles interact with each other.

Facilitation Tip

Before Compass Field Plotting, demonstrate how to hold the compass level and avoid placing it too close to the magnet to prevent needle damage.

What to look for

Give students a bar magnet and a small iron object. Ask them to draw the magnet and show with arrows where they think the magnetic force is strongest. Then, ask them to write one sentence explaining why the iron object is attracted to the magnet.

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

A few notes on teaching this unit

Teachers should start with simple, tangible objects like bar magnets and paperclips to introduce polarity, then gradually introduce complexity with compasses and filings. Avoid rushing to abstract explanations; let students discover patterns first. Research shows that guiding questions, like 'What do you notice about the filings near the poles?' work better than direct instruction for concept formation.

Students will confidently identify magnetic poles, predict interactions, map field patterns, and compare field strengths through structured investigations. They will use evidence from their observations to explain magnetic behavior and correct common misconceptions.

---

Watch Out for These Misconceptions

• During Pole Interactions, watch for students who assume all metals are attracted to magnets.

  Provide a mix of metal objects (copper, aluminum, iron, steel) and ask students to sort them into 'attracted' and 'not attracted' piles, then discuss which metals share properties with the ones that were attracted.

• During Iron Filings Mapping, watch for students who believe the field only exists between the poles.

  Have students trace the filings with their fingers to feel the curved lines extending beyond the poles, then sketch the full pattern together, labeling the direction of force with arrows.

• During Field Strength Challenge, watch for students who think all magnets have equal strength.

  Compare a small neodymium magnet with a larger but weaker fridge magnet in pickup tests, then record the number of paperclips each holds at increasing distances to highlight differences in strength.

---

Methods used in this brief

• Experiential Learning