Year 3 Forces and Magnets: What Your Child Is Learning and How to Help

A Year 3 student exploring magnets and observing attraction and repulsion
← All articles

Forces and magnets is one of the first physics topics your child encounters in the National Curriculum for England, typically taught in Year 3 (ages 7-8). It's also one of the most foundational — the concepts learned here underpin understanding of motion, electricity, and countless real-world phenomena your child will study throughout their education.

This is often where children begin to think of themselves as either "good at science" or not. The topic can seem deceptively simple — pushes and pulls are familiar from everyday life — but contains subtle concepts that confuse even bright children if not explained clearly. Understanding what your child is actually being taught, recognizing common misconceptions, and knowing how to support learning at home can make a significant difference.

This guide explains exactly what the Year 3 forces and magnets curriculum covers, the key concepts and vocabulary your child needs to master, common points of confusion, and practical activities you can do at home to reinforce understanding — whether you remember your own school physics clearly or not.

What the National Curriculum Requires

The Year 3 programme of study for forces and magnets specifies that pupils should be taught to:

Additionally, children should develop their "working scientifically" skills by:

This might seem like a lot for seven and eight-year-olds, but it's carefully sequenced to build understanding progressively.

Key Concepts Your Child Will Learn

1. What Forces Are

At its most basic, your child learns that a force is a push or a pull. This sounds simple, but it's a crucial foundation. Everything that moves or stops moving does so because a force acts on it.

Key understanding: Forces make things start moving, stop moving, speed up, slow down, or change direction. Forces can't be seen directly, but we can observe their effects.

Examples children explore:

At this stage, children aren't learning about gravity, air resistance, or other named forces in depth — those come in later years. The focus is simply on recognizing that pushes and pulls are forces, and forces cause changes in motion.

2. Contact and Non-Contact Forces

One of the more sophisticated concepts in Year 3 is distinguishing between forces that require contact and those that don't.

Contact forces require the objects to be touching:

Non-contact forces can act at a distance:

This is often children's first encounter with the idea that forces can act without objects touching — a genuinely counterintuitive concept. Gravity is also a non-contact force, though the curriculum doesn't focus on it heavily in Year 3.

3. Friction

Friction is introduced as a force that slows things down when surfaces rub against each other. Children investigate how objects move differently on different surfaces.

Key investigations:

Understanding: Friction is a force that opposes motion. Smooth surfaces have less friction; rough surfaces have more friction. We sometimes want lots of friction (shoe soles gripping the ground) and sometimes want very little (ice skating).

Common misconception: Some children think friction is only important when things are moving fast. Actually, friction acts any time surfaces are in contact, even when stationary (static friction prevents a book from sliding off a tilted desk).

4. What Magnets Are and How They Work

Your child learns that magnets are objects that produce a magnetic force. This force can attract (pull toward) or repel (push away) certain materials and other magnets.

Key understandings:

Magnetic materials: Only certain materials are attracted to magnets. The main magnetic materials children learn about are iron, nickel, and cobalt. Most everyday magnetic objects contain iron or steel (which is mostly iron).

Non-magnetic materials: Most materials — wood, plastic, glass, aluminum, copper, paper, cloth — are not attracted to magnets.

Children typically test a wide variety of objects to classify them as magnetic or non-magnetic:

Common misconception: Many children initially think all metals are magnetic. Testing reveals that most metals (aluminum, copper, brass, gold, silver) are not magnetic. Only iron, nickel, cobalt, and their alloys are.

5. Magnetic Poles

Every magnet has two poles: a north pole and a south pole. These are the regions where the magnetic force is strongest.

Key rules children learn:

This is explored through hands-on activities:

Children often use bar magnets with clearly marked N and S poles for these investigations. They make predictions before testing, then observe whether their predictions were correct.

Common misconception: Some children think the poles are magnets themselves, rather than regions of a single magnet. Clarify that you can't separate the poles — if you break a magnet in half, each piece becomes a new magnet with both a north and south pole.

6. Magnetic Fields and Attraction at a Distance

While the full concept of magnetic fields isn't taught until later years, Year 3 children explore the idea that magnets can attract objects without touching them.

Investigations include:

A popular demonstration: placing paperclips on top of a piece of paper and moving a magnet underneath to make them "dance" or move without direct contact.

Essential Vocabulary

Your child will need to understand and use these scientific terms:

Practice using these words correctly in context. When your child says "The magnets are sticking together," encourage scientific language: "Yes, the opposite poles are attracting each other."

Common Misconceptions to Watch For

Research on children's understanding of forces and magnets has identified several persistent misconceptions. Being aware of these helps you spot and correct them early.

Misconception 1: "All metals are magnetic"

Because some of the most familiar magnetic objects are made of metal (paperclips, nails, keys), children often overgeneralize and assume all metals are magnetic.

Correction: Test various metals. Aluminum foil, copper coins, brass keys, and aluminum cans are not attracted to magnets. Only iron, nickel, cobalt, and their alloys (like steel) are magnetic.

Misconception 2: "Heavy things need a bigger push than light things"

While heavier objects do require more force to move, children sometimes confuse weight with friction. They might think a heavy wooden block needs more force to push than a light one, even on the same surface.

Correction: Explore how both weight and friction matter. A heavy object sliding on ice (low friction) might be easier to move than a light object on rough carpet (high friction). The surface matters as much as the weight.

Misconception 3: "Magnets attract everything, but some things more strongly"

Some children think magnets attract all materials, just weakly for most things and strongly for metals.

Correction: Emphasize the binary nature — materials are either magnetic (attracted) or non-magnetic (zero attraction), not a spectrum of weak to strong attraction.

Misconception 4: "The bigger/stronger the magnet, the more poles it has"

Children sometimes think powerful magnets might have multiple poles or extra-strong poles.

Correction: All magnets have exactly two poles — one north and one south. Stronger magnets have the same poles; they just produce a stronger magnetic force.

Misconception 5: "Friction only happens when things are moving"

Because friction is introduced in the context of things slowing down, some children don't realize friction exists when objects aren't moving.

Correction: Demonstrate static friction — try to push a heavy box that doesn't move. Friction is preventing motion. This type of friction acts between stationary surfaces.

Practical Activities to Support Learning at Home

The best way to reinforce forces and magnets concepts is through hands-on exploration. Here are activities requiring minimal equipment that genuinely build understanding.

Activity 1: Friction Ramp Investigation

You need: A smooth board or thick book for a ramp, a toy car, various surfaces to test (carpet, towel, aluminum foil, sandpaper, baking paper, bubble wrap)

Method:

  1. Create a ramp by propping one end of the board on books
  2. Place one surface material at the bottom of the ramp
  3. Release the car from the top and observe how far it travels across the surface before stopping
  4. Mark the distance with tape
  5. Repeat with each surface, releasing from the same height each time
  6. Compare distances and rank surfaces from lowest to highest friction

Discussion points: Which surface had the most friction? How do you know? Why might we want high friction on some surfaces (car tires, shoe soles) and low friction on others (skis, skating rink)?

Activity 2: Magnet Scavenger Hunt

You need: A magnet, household objects, paper and pencil

Method:

  1. Create a prediction chart with two columns: "Magnetic" and "Non-Magnetic"
  2. Gather 15-20 household objects (spoon, key, coin, paperclip, plastic bottle, wooden spoon, aluminum foil, etc.)
  3. Before testing, have your child predict whether each item is magnetic or not
  4. Test each item by bringing the magnet close
  5. Record actual results
  6. Discuss which predictions were wrong and why

Discussion points: What do all the magnetic items have in common? (They contain iron or steel) Were any results surprising? Why might someone think a copper coin would be magnetic?

Activity 3: Magnetic Pole Exploration

You need: Two bar magnets with poles marked, or two fridge magnets

Method:

  1. Bring north pole of one magnet near south pole of other — feel the attraction
  2. Try to push them apart while opposite poles face each other — notice how difficult it is
  3. Bring north pole near north pole — feel the repulsion
  4. Try to push them together while like poles face each other — notice they keep pushing apart
  5. Try all four combinations: N-S, S-N, N-N, S-S
  6. Record which combinations attract and which repel

Discussion points: Can you feel the force even when the magnets aren't touching? How is this different from pushing something with your hand?

Activity 4: Magnetic Force Through Materials

You need: A magnet, a paperclip, various materials (paper, cardboard, plastic container, glass jar, wooden cutting board, aluminum foil)

Method:

  1. Place the paperclip on top of one material
  2. Hold the magnet underneath
  3. See if the paperclip moves or lifts
  4. Test each material
  5. Try different thicknesses of the same material

Discussion points: Can magnetic force pass through non-magnetic materials? Does the thickness of the material matter? What happens if you use a stronger magnet?

Activity 5: Make a Compass

You need: A sewing needle, a magnet, a cork or small piece of foam, a shallow dish of water

Method:

  1. Stroke the needle with the magnet in one direction 30-40 times (this magnetizes the needle)
  2. Push the needle through a thin slice of cork or a piece of foam
  3. Float it in the water
  4. Observe which direction it points (should point north-south)
  5. Gently turn it and watch it return to the same direction

Discussion points: Why does the needle always point the same direction? (Earth itself is a giant magnet) What would happen if you put a magnet near your compass?

Activity 6: Magnetic Strength Comparison

You need: Different magnets (fridge magnet, bar magnet, neodymium magnet if you have one), paperclips

Method:

  1. See how many paperclips each magnet can hold in a chain
  2. Measure how far each magnet can be from a paperclip and still attract it
  3. Rank the magnets from weakest to strongest

Discussion points: Do all magnets have the same strength? Do bigger magnets always attract more strongly?

Supporting School Learning Without Interfering

When helping at home, balance reinforcement with allowing your child's teacher to lead the learning. Here's how:

Ask what they're learning currently: "What are you learning about forces this week?" helps you target your support to what's being taught now, not what's coming later.

Use the same vocabulary: If the school calls them "magnetic materials" not "magnets" (to distinguish materials from magnet objects), use their terminology.

Don't rush ahead: If your child hasn't learned about poles yet, don't introduce the concept. Let the school's sequencing work as designed.

Focus on exploration, not memorization: The curriculum emphasizes investigation and observation, not memorizing definitions. Your child should be discovering that like poles repel through experimentation, not just memorizing the rule.

Communicate with the teacher: If your child is confused about a concept, mention it to their teacher. They can address misconceptions that are common in the class.

How Forces and Magnets Connect to Future Learning

Understanding why this topic matters helps sustain your child's engagement:

Year 5: Children revisit forces, learning about gravity, air resistance, and water resistance. The foundational understanding that forces are pushes and pulls makes this much easier.

Year 6: Children learn about balanced and unbalanced forces. Understanding friction and contact forces from Year 3 is essential.

KS3 (Year 7-9): Forces become mathematical, calculating force, speed, and acceleration. But the conceptual understanding starts here in Year 3.

GCSE Physics: Magnetism, electromagnetism, and forces are major topics. Students with solid Year 3 foundations find these much more accessible.

Real world: Every vehicle, every machine, every sport, every movement involves forces. Understanding forces helps your child understand how the physical world works.

When to Seek Additional Support

Most children grasp forces and magnets concepts with good teaching and some home reinforcement. However, watch for signs your child might benefit from additional support:

Additional support might include:

The key is addressing difficulties early. Children who develop the belief that they "can't do science" in Year 3 often carry that through their entire education, limiting future opportunities.

Making Physics Fascinating, Not Frightening

Forces and magnets is your child's first real physics topic. How they feel about it can shape their entire relationship with physical science.

Emphasize wonder over correctness. "Isn't it amazing that magnets can move things without touching them?" matters more than "Can you remember all three magnetic materials?"

Share your own curiosity. "I wonder what would happen if..." models scientific thinking better than always having the right answer.

Connect to their interests. Child loves football? Discuss forces in kicking. Child loves cooking? Explore friction when mixing, forces when stirring, magnetism on the fridge door.

Celebrate the process, not just the result. "You made a really good prediction and then tested it carefully" is more valuable than "You got the right answer."

Physics isn't about being naturally gifted at science. It's about being curious, observing carefully, and thinking logically about cause and effect. These are skills every child can develop with the right support and encouragement.

Year 3 Science Support That Builds Deep Understanding

Fareed provides personalized science tutoring aligned with the National Curriculum, making forces and magnets engaging and clear for every child.

Join the Waitlist