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Year 6 - Science

The position of shadows (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 predict where a shadow will be cast in relation to the light source and the object.

Key Notes

  • A shadow is a dark shape made when light is stopped or blocked by an object.
  • Scientists use drawings and diagrams to help share their ideas with other people.
  • A shadow will be cast on the opposite side of an object where the light source cannot shine.
  • The position of a shadow depends upon the position of the light source, i.e. the direction of light.
  • Scientists use test results to make predictions and set up further enquiries.

Vocabulary To Learn

  • shadow: A shadow is formed when an object blocks light.
  • light source: Something that is a light source produces its own light.
  • cast: To cast a shadow is to block light and cause a shadow.
  • prediction: A prediction is a statement saying what you think will happen.

Common Mistakes To Avoid

  • Children may think that a shadow is cast in between the object and the light source.

3 Quick Questions (With Answers)

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

A shadow is a dark shape made when light is stopped or blocked by an object. Scientists use drawings and diagrams to help share their ideas with other people.

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

A shadow is formed when an object blocks light. Include the word in a full scientific explanation, not as a single label.

3. Correct this common scientific misunderstanding.

Mistake: Children may think that a shadow is cast in between the object and the light source. Correction: Children need to explore shadows cast by different light sources in different positions and with different objects. They should note the position of the light source in relation to the object and the shadow each time.

More Lessons In This Unit

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