Sofie thinks something is under her bed.
Can you help her see it?

What can you see in a dark room? Why?
What can you see when the room has light? Why?

Where does the light come from?
What helps you see? Why?

Build a torch to help Sofie see the object under her bed.

Program your torch to light a dark space.

Test how well your torch lights the dark space.
Write, draw or say what you see.

Explain:
What did you see in the dark?
Why did we need a dark space for our test?

Explain:
Why did we need a torch?
How did the torch help you see the object?

Work with a group to test some more.
Use everyone’s models.
Shine many torches on the object.

Shine many torches again but point them away from the object.
Shine one torch and point it away from the object.

What if you have no torch?
What happens each time?

Great job!