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 flashlight to help Sofie see the object under her bed.

Program your flashlight to light a dark space.

Test how well your flashlight 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 flashlight?
How did the flashlight help you see the object?

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

Shine many flashlights again but point them away from the object.
Shine one flashlight and point it away from the object.

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

Great job!