Science · Year 3

Active learning ideas

Sun Safety and Protection

Active learning transforms sun safety from abstract advice into observable science. By testing UV rays, role-playing protection, and mapping shadows, students see cause and effect firsthand, which strengthens memory and application. Hands-on practice builds confidence to make safe choices independently.

• National Curriculum Attainment Targets
• KS2: Science - Light

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

Activity 01

• Placemat Activity
• 30 min · Whole Class

Demonstration: UV Bead Experiment

Provide UV beads that change colour in sunlight. Students predict changes, expose beads outdoors or under UV light, then test with sunscreen, fabric, or glass. Discuss results to show UV penetration and protection effectiveness.

Explain how we can protect our eyes from the power of the sun.

Facilitation Tip

For the UV Bead Experiment, place beads under different light conditions (sun, cloudy sky, shade) and have students record color changes in a shared class chart.

What to look for

Provide students with a card asking: 'Name two ways to protect your skin from the sun and one way to protect your eyes.' Collect these to check for understanding of key protective measures.

• Understand
• Analyze
• Evaluate
• Self-Awareness
• Relationship Skills

Activity 02

• Placemat Activity
• 25 min · Pairs

Pairs: Protection Role-Play

Pairs act out sun exposure scenarios like playground or beach time, demonstrating unsafe behaviours then correct protections. Switch roles and peer-assess using a checklist. Debrief as a class on key rules.

Analyze the risks of prolonged exposure to direct sunlight.

Facilitation Tip

During Protection Role-Play, assign roles such as ‘sunburned child’, ‘sunscreen applier’, and ‘hat wearer’ to highlight different protection methods in action.

What to look for

Pose the question: 'Why is it important to wear a hat even when you are wearing sunscreen?' Facilitate a class discussion, guiding students to explain that sunscreen protects skin, but hats also protect the scalp, face, and neck, and can provide shade for the eyes.

• Understand
• Analyze
• Evaluate
• Self-Awareness
• Relationship Skills

Activity 03

• Placemat Activity
• 45 min · Small Groups

Small Groups: Safety Poster Design

Groups research protections via fact sheets, then design A3 posters with drawings, slogans, and labels. Present to class for feedback. Display posters around school to educate others.

Design a poster to educate others about sun safety.

Facilitation Tip

When designing Safety Posters, limit group size to three to ensure every student contributes to visual planning and message clarity.

What to look for

Show images of different scenarios: a child playing in the sun at noon, a person reading under a tree, someone wearing sunglasses. Ask students to hold up a green card if the scenario is safe and a red card if it carries a risk of sun damage, explaining their choice.

• Understand
• Analyze
• Evaluate
• Self-Awareness
• Relationship Skills

Activity 04

• Placemat Activity
• 20 min · Individual

Individual: Shadow Tracker

Each student marks their shadow hourly on paper outdoors, noting changes with sun position. Analyse how longer shadows indicate safer times. Share findings to link shadows with shade protection.

Explain how we can protect our eyes from the power of the sun.

Facilitation Tip

As students track shadows with sticks and chalk, ask them to predict shadow length changes based on sun position and time of day.

What to look for

Provide students with a card asking: 'Name two ways to protect your skin from the sun and one way to protect your eyes.' Collect these to check for understanding of key protective measures.

• Understand
• Analyze
• Evaluate
• Self-Awareness
• Relationship Skills

A few notes on teaching this unit

Teach this topic through inquiry that connects science to daily life. Avoid presenting facts first; instead, let students discover UV effects and then discuss solutions. Research shows that combining sensory experience (color-changing beads) with social learning (role-play) and visual design (posters) deepens understanding and retention for this age group. Emphasise that protection is layered, not all-or-nothing.

Students will explain why UV rays are harmful, identify multiple protection strategies, and apply them in real-world scenarios. Success looks like clear reasoning, accurate demonstrations, and thoughtful design work that reflects safety priorities.

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Watch Out for These Misconceptions

• During UV Bead Experiment, watch for students who assume UV rays only cause damage when it feels hot.

  Encourage students to test beads under a cloudy sky and in the shade, then compare results to sunny conditions. Use their recorded data to prompt discussion about UV penetration regardless of temperature.

• During Protection Role-Play, listen for statements that suggest a tan is a sign of health.

  Direct students to observe the ‘tanned’ role-player (use a brown marker on skin) and the ‘protected’ role-player. Ask them to explain what happens to each character’s skin over time using role-play outcomes.

• During small-group work on Safety Poster Design, watch for students who say sunglasses are only for style.

  Provide various lenses (clear, tinted, UV-blocking) and ask pairs to measure light intensity behind each using a lux meter or phone app. Have them present findings to the group to correct the misconception.

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Methods used in this brief

• Placemat Activity