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Year 6 - Science

Light sources and light reflectors (non-statutory)

Light and how it travels

Unit Summary

This unit explores how light travels in straight lines, explaining how we see objects and why shadows form the shape of the object casting them. It focuses on planning scientific enquiries, taking precise measurements, making predictions, and evaluating evidence to present findings.

Lesson Summary

You will learn to describe the difference between light sources and light reflectors.

Key Notes

  • Light can come from many different sources, such as the Sun, stars, torches, lamps and candles.
  • Some objects appear to shine but they are reflecting light from a light source.
  • Objects can be identified and grouped as light sources and light reflectors.

Vocabulary To Learn

  • light source: Something that is a light source produces its own light.
  • reflect: To reflect light is when light hits a surface and bounces off in another direction.
  • light reflector: A light reflector is something which reflects light.
  • high-vis: High-vis is short for high-visibility and is used to describe clothing that is designed to reflect light and be easily seen.

Common Mistakes To Avoid

  • Children often think that light reflectors are actually light sources because they 'shine'.

3 Quick Questions (With Answers)

1. Explain the scientific idea in this lesson using two key points.

Light can come from many different sources, such as the Sun, stars, torches, lamps and candles. Some objects appear to shine but they are reflecting light from a light source.

2. Define this scientific word and use it in context. 'light source'

Something that is a light source produces its own light. Include the word in a full scientific explanation, not as a single label.

3. Correct this common scientific misunderstanding.

Mistake: Children often think that light reflectors are actually light sources because they 'shine'. Correction: Provide opportunities for children to investigate a range of real objects for themselves. They need to know that light reflectors appear to shine because they are reflecting light from a light source.

More Lessons In This Unit

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