Exploring Our World: Scientific Inquiry and Discovery · 3rd Year

Active learning ideas

Magnets and Magnetic Materials

Active learning works for magnets because students need direct sensory experience to grasp invisible forces. When children handle objects and feel attraction or resistance, their understanding shifts from abstract ideas to concrete evidence. These activities turn a simple concept into a memorable investigation.

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

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

Activity 01

• Stations Rotation
• 30 min · Small Groups

Sorting Station: Magnetic or Not

Prepare trays with 10-15 mixed classroom objects like keys, erasers, coins, and clips. In small groups, students predict if each attracts a magnet, test by hovering or lifting, then sort into two piles. Groups share one surprise item with the class.

Differentiate between magnetic and non-magnetic materials.

Facilitation Tip

During Sorting Station, model how to hold the magnet steady against each object before declaring it magnetic or not.

What to look for

Provide students with a magnet and a tray of mixed objects (e.g., paperclip, coin, eraser, key, button). Ask them to sort the objects into two piles: 'Attracted to Magnet' and 'Not Attracted to Magnet'. Observe their sorting and ask one student to explain why they placed a specific object in a particular pile.

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

Activity 02

• Stations Rotation
• 35 min · Pairs

Paperclip Relay: Strength Comparison

Provide bar, horseshoe, and button magnets plus paperclips. Pairs compete to form the longest hanging chain from each magnet without breaking contact. Measure chains, record results on a class chart, and discuss which magnet won.

Compare the strength of various magnets using a simple test.

Facilitation Tip

For Paperclip Relay, remind students to count each paperclip carefully and record results on a shared chart.

What to look for

Give each student a small card. Ask them to write the name of one magnetic material and one non-magnetic material they tested today. Then, ask them to draw a picture showing how they tested the strength of one of the magnets.

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

Activity 03

• Stations Rotation
• 25 min · Whole Class

Prediction Hunt: Classroom Scan

List 20 classroom items on a sheet. Whole class predicts yes/no for magnetism, then tests in teams with shared magnets. Tally results on board, noting matches and mismatches for group reflection.

Predict which objects in the classroom will be attracted to a magnet.

Facilitation Tip

In Prediction Hunt, circulate and ask students to explain why they chose a specific object to test next.

What to look for

Present students with a scenario: 'Imagine you have a box of mixed small items, some magnetic and some not. You only have one magnet. How would you quickly find all the magnetic items?' Facilitate a class discussion where students share their strategies, focusing on prediction and testing.

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

Activity 04

• Stations Rotation
• 40 min · Small Groups

Magnet Lift Test: Force Ranking

Use identical stacks of washers. Students rank magnets by how many washers each lifts at once. Rotate magnets, record data in tables, and graph strengths for comparison.

Differentiate between magnetic and non-magnetic materials.

Facilitation Tip

During Magnet Lift Test, provide a variety of magnet shapes so students notice size and thickness do not always match strength.

What to look for

Provide students with a magnet and a tray of mixed objects (e.g., paperclip, coin, eraser, key, button). Ask them to sort the objects into two piles: 'Attracted to Magnet' and 'Not Attracted to Magnet'. Observe their sorting and ask one student to explain why they placed a specific object in a particular pile.

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

A few notes on teaching this unit

Teach magnets by prioritizing hands-on trials over explanations. Students learn best when they test, observe, and discuss results in real time. Avoid long lectures; instead, guide students to ask questions and compare findings with peers. Research shows that early misconceptions about metals and size persist unless students confront them directly with evidence.

By the end of these activities, students should confidently separate magnetic from non-magnetic materials and explain why. They should also compare magnet strengths using evidence from their tests, not assumptions. Clear discussions and sorting tasks show that predictions match observable results.

---

Watch Out for These Misconceptions

• During Sorting Station, watch for students placing all metals into the magnetic pile.

  Provide a tray with specific metals like copper, aluminum, and steel. Ask students to test each one and record results in a group chart to highlight that not all metals attract.

• During Paperclip Relay, watch for students assuming larger magnets always lift more paperclips.

  Provide several magnets of different shapes and sizes. Have students test and rank them, then discuss what factors besides size affect strength.

• During Prediction Hunt, watch for students only testing metal objects.

  Challenge students to test three non-metal objects first, then ask why they expected attraction. Use the results to discuss which materials respond to magnets.

---

Methods used in this brief

• Stations Rotation