Science · Year 6

Active learning ideas

Shadow Play

Active, hands-on exploration lets Year 6 students directly observe how light and objects interact, turning abstract ray concepts into visible, measurable effects. Torches and everyday objects make the topic concrete, so students can test ideas immediately rather than rely on verbal explanations only.

• National Curriculum Attainment Targets
• KS2: Science - Light

• 30–50 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Stations Rotation
• 45 min · Small Groups

Stations Rotation: Shadow Variables

Prepare four stations with torches at fixed distances from objects: close, medium, far, angled. Groups spend 7 minutes at each, measuring shadow length and sketching shapes, then rotate. Conclude with a class chart comparing results.

Analyze the relationship between light source position and shadow characteristics.

Facilitation Tip

During Station Rotation, place a ruler and object at each station so students measure shadow length alongside qualitative observations.

What to look for

Provide students with a worksheet showing an object and a light source. Ask them to draw the resulting shadow. Then, ask them to draw how the shadow would change if the light source moved closer, farther away, or higher up. Check for accurate representation of shadow size and position.

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

Activity 02

• Simulation Game
• 30 min · Pairs

Pairs Prediction Challenge: Moving Light

Partners choose an object and predict shadow changes as one holds the torch closer or farther. Test predictions, measure with rulers, and record in a shared notebook. Discuss why predictions matched or differed.

Predict how moving a light source will alter a shadow.

Facilitation Tip

In the Pairs Prediction Challenge, give each pair two identical objects so they can compare shadows directly when the light source moves.

What to look for

Give each student a small object and a mini-torch. Ask them to create a shadow on a piece of paper. On their exit ticket, they should write two sentences: one explaining how they made the shadow, and one predicting what would happen to the shadow if they moved the torch further away from the object.

• Apply
• Analyze
• Evaluate
• Create
• Social Awareness
• Decision-Making

Activity 03

• Simulation Game
• 35 min · Whole Class

Whole Class: Shadow Model Build

Provide card, torches, and screens. Class collaboratively builds a large shadow scene, adjusting light to create giant or distorted figures. Narrate observations as a group story.

Construct a model to demonstrate shadow formation.

Facilitation Tip

For the Whole Class Shadow Model Build, assign roles like ‘light operator,’ ‘object holder,’ and ‘shadow measurer’ so everyone participates actively.

What to look for

Pose the question: 'Imagine you are trying to make the longest shadow possible with a toy car and a lamp. Where would you place the lamp relative to the car and the wall?' Facilitate a class discussion where students explain their reasoning using terms like 'distance' and 'angle'.

• Apply
• Analyze
• Evaluate
• Create
• Social Awareness
• Decision-Making

Activity 04

• Simulation Game
• 50 min · Individual

Individual: Outdoor Shadow Tracker

Each student marks a stick's shadow hourly outside, noting length and direction changes due to sun position. Plot data on personal graphs for later class share.

Analyze the relationship between light source position and shadow characteristics.

Facilitation Tip

On the Outdoor Shadow Tracker, provide clipboards with pre-drawn axes so students record positions systematically rather than freehand.

What to look for

Provide students with a worksheet showing an object and a light source. Ask them to draw the resulting shadow. Then, ask them to draw how the shadow would change if the light source moved closer, farther away, or higher up. Check for accurate representation of shadow size and position.

• Apply
• Analyze
• Evaluate
• Create
• Social Awareness
• Decision-Making

A few notes on teaching this unit

Teachers guide students to form hypotheses before moving lights, because testing predictions strengthens understanding more than simply observing outcomes. Keep the pace active; rotate or swap roles every two to three minutes to maintain engagement. Avoid long explanations about light properties up front—let students discover patterns through their own trials and then consolidate with focused questions.

Students will explain that shadows vary with distance and angle, not object size alone, and use terms like ‘blocked light,’ ‘distance,’ and ‘angle’ accurately in discussions and diagrams. They will also predict shadow changes before testing predictions with materials they have handled personally.

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Watch Out for These Misconceptions

• During Station Rotation: Shadow Variables, watch for students who assume the shadow size matches the object exactly.

  Give each group a ruler and ask them to measure both object length and shadow length, then calculate a ratio. Have groups compare ratios across stations to see how distance changes the ratio.

• During Pairs Prediction Challenge: Moving Light, watch for students who believe light bends around objects to create fuzzy edges.

  Provide a single sharp torch and a diffuse room light setup. Ask pairs to compare shadow edges and sketch the difference, then explain why straight rays from a single source produce sharp edges.

• During Whole Class Shadow Model Build, watch for students who claim shadows only form with sunlight.

  Use only classroom lamps during the build. After the model is complete, ask groups to name the light source they used and explain how it blocked light the same way sunlight would.

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Methods used in this brief

• Stations Rotation
• Simulation Game