What is Light? Year 3 Science KS2 Interactive Physics Lesson & Light and Shadow Activities

Shine a Light on Physics — Introduce Light to Year 3! Help Year 3 students develop a secure understanding of light as a form of energy, how it travels, and why we need it to see.

Exploring What is Light? with Our Year 3 Science Interactive Lesson

The National Curriculum for Year 3 Science requires students to develop scientific knowledge, vocabulary, and enquiry skills across biology, chemistry, and physics. This resource provides the interactive, visual scaffolding needed to build confident understanding of What is Light?, whether used for whole-class teaching, small-group investigation, or independent learning.

What’s Inside This What is Light? Year 3 Resource

• Interactive Physics Lesson: Lesson slides explaining what light is, how it travels in straight lines, and the difference between luminous and non-luminous sources.
• Light Source Activities: Students identify and sort luminous and non-luminous sources, building key conceptual understanding.
• Light and Dark Investigation: Guided activities exploring how we see — the connection between light sources, objects, and our eyes.
• Printable Worksheets: Consolidation worksheets with diagram labelling, sorting tasks, and short explanation writing.

Key Benefits for Students

• Builds Scientific Vocabulary: Structured activities help Year 3 students acquire and use key scientific terms related to What is Light? with confidence.
• Promotes Enquiry Skills: Investigative tasks encourage students to observe, question, and explain findings about What is Light?.
• Boosts Confidence: Clear, age-appropriate content ensures every student can access and engage with the science curriculum.

Why Teachers Love It

• Zero Prep Time: A complete ‘print-and-go’ and ‘click-and-teach’ solution — open the lesson and start teaching immediately.
• Curriculum-Aligned: Fully mapped to the KS2 National Curriculum for Year 3 Science, saving valuable planning time.
• Highly Flexible: Suitable for whole-class teaching, guided groups, science corners, or homework activities.

Ready to bring What is Light? to life in your classroom? Download this Year 3 Science resource today and give your students the interactive, curriculum-aligned learning they need. Click ‘Add to Cart’ to save prep time and spark a love of science!