Year 3

How can you change the size of a shadow?

In this lesson, we will be learning how you can change the size of a shadow. You'll have a go at creating your own shadow puppet theatre. You will need a pencil, a piece of paper, and if you've got them, some cardboard, a pair of scissors and a glue stick. You must ask for the help of an adult when using your scissors.

Year 3

How can you change the size of a shadow?

In this lesson, we will be learning how you can change the size of a shadow. You'll have a go at creating your own shadow puppet theatre. You will need a pencil, a piece of paper, and if you've got them, some cardboard, a pair of scissors and a glue stick. You must ask for the help of an adult when using your scissors.

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Lesson details

Key learning points

  1. Making a shadow puppet theatre
  2. Exploring how to change the size of a shadow by moving it further from/closer to the light source

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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4 Questions

Q1.
Opaque objects let most light rays pass through them. True or false?
Correct answer: False.
True.
Q2.
If you can see through an object, it is ____________.
Opaque.
Correct answer: Transparent.
Q3.
Shadows are made when...
A transparent object blocks light.
Correct answer: An opaque object blocks light.
Q4.
Tick the transparent object.
Correct answer: A glass bottle.
A piece of paper.
A wooden table.

3 Questions

Q1.
To create a shadow, I needed to use _______ materials.
Correct answer: opaque.
transparent.
Q2.
When you move an object closer to the light source, the shadow becomes __________.
Correct answer: bigger.
smaller.
Q3.
Shadows get smaller when you move an object...
closer to the light source.
Correct answer: further away from the light source.