Young Explorers: Investigating Our World · 2nd Class

Active learning ideas

Magnets and Magnetism

Active learning works because magnetism is an invisible force, so students must physically interact with materials to build accurate mental models. Testing and mapping activities make abstract concepts tangible, helping learners connect classroom observations to real-world uses like door catches or speakers.

• NCCA Curriculum Specifications
• NCCA: Science - Energy and Forces - Magnetism
• NCCA: Science - Energy and Forces - Forces

• 20–45 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Experiential Learning
• 30 min · Small Groups

Sorting Station: Magnetic Materials Hunt

Prepare trays with 10-15 objects like coins, paperclips, wooden blocks, and foil. Students test each item with bar magnets and sort into 'magnetic' or 'non-magnetic' piles. Groups share one surprising find with the class.

Differentiate between magnetic and non-magnetic materials.

Facilitation Tip

During the Sorting Station, provide a mix of metal and non-metal items with similar sizes to prevent students from guessing by weight or size alone.

What to look for

Provide students with a small collection of objects (e.g., paperclip, eraser, coin, key, plastic block). Ask them to sort the objects into two piles: 'Magnetic' and 'Non-Magnetic'. On the back of their paper, they should write one sentence explaining how they decided which pile each object belonged in.

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

Activity 02

• Experiential Learning
• 20 min · Pairs

Pole Pairs: Attract or Repel?

Label magnet poles with N and S markers. Pairs test all combinations on a chart, predicting outcomes first then observing. Discuss why unlike poles stick together.

Explain how magnetic poles interact and create magnetic fields.

Facilitation Tip

Before Pole Pairs, have students predict outcomes on scrap paper to encourage critical thinking before they test.

What to look for

Hold up two magnets, one at a time, with different poles facing each other. Ask students to give a thumbs up if the magnets will attract and a thumbs down if they will repel. Repeat with various pole combinations to check understanding of attraction and repulsion.

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

Activity 03

• Experiential Learning
• 25 min · Small Groups

Field Mapper: Iron Filings Reveal

Place a magnet under white paper, sprinkle iron filings, and tap gently to show patterns. Students draw the field lines and compare bar versus ring magnets. Rotate magnets to see changes.

Design a simple device that utilizes magnetic forces.

Facilitation Tip

During Field Mapper, remind students to sprinkle filings gently to avoid clumping that obscures the field lines.

What to look for

Present students with a scenario: 'Imagine you lost a small metal screw in a pile of sand. How could you use a magnet to help find it?' Facilitate a class discussion where students explain the steps they would take and why a magnet would be effective.

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

Activity 04

• Experiential Learning
• 45 min · Small Groups

Design Lab: Magnetic Crane Challenge

Provide string, magnets, sticks, and mixed metal/plastic scraps. Groups build a crane to lift only magnetic items into a bin. Test, refine, and demo best designs.

Differentiate between magnetic and non-magnetic materials.

Facilitation Tip

In Design Lab, circulate with questions like 'How does the magnet’s strength affect your crane’s lift?' to guide problem-solving.

What to look for

Provide students with a small collection of objects (e.g., paperclip, eraser, coin, key, plastic block). Ask them to sort the objects into two piles: 'Magnetic' and 'Non-Magnetic'. On the back of their paper, they should write one sentence explaining how they decided which pile each object belonged in.

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

A few notes on teaching this unit

Teaching magnetism effectively starts with hands-on sorting to confront misconceptions early, then moves to structured exploration of poles and fields. Avoid rushing to definitions; let students observe, discuss, and refine ideas through repeated testing. Research shows that prediction-observation cycles deepen understanding more than demonstrations alone. Use small-group work to build confidence, as peer discussion helps students articulate their reasoning.

Successful learning looks like students confidently sorting objects by magnetic properties, predicting pole interactions, mapping fields with filings, and applying these ideas in a design challenge. Clear evidence of understanding includes justifying choices with tests and adjusting predictions based on observations.

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Watch Out for These Misconceptions

• During Sorting Station, watch for students assuming all metals are magnetic.

  During Sorting Station, redirect by adding aluminum foil or copper wire to the collection and ask students to test each item, prompting them to notice that only some metals respond.

• During Pole Pairs, watch for students thinking magnets only attract.

  During Pole Pairs, have students predict outcomes before testing and record results on a chart, highlighting that like poles repel while opposite poles attract.

• During Field Mapper, watch for students drawing straight lines from poles to represent fields.

  During Field Mapper, have students trace the curved patterns of filings with their fingers before drawing, ensuring their models reflect the actual shape of the field.

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Methods used in this brief

• Experiential Learning