01

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Leo wants to make some shade on a sunny day.
What materials should he use?
Help him find out.

02

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What materials are items in our classroom made from?

03

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What happens to a light beam when it strikes these materials?
Does it pass through?

04

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How could you test some materials to find a shade for Leo to use?

05

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Choose some items to test.
What do you think will happen with each one?

06

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Build a light source to help Leo test the materials.
Work together.
Plan a way to test how much light comes through.

07

Program your model so the light turns on.

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Now work alone. Test the materials.
Put each type of material in front of the light beam.
How much light gets through?

09

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Group the materials.
Use the words “all light,” “some light,” or “no light.”

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Use your model and explain:
What items did you test?
What materials are they made of?

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Which materials let all the light through?
Some light? No light?

12

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Which would work best to create shade on a sunny day? Why?

13

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Build a model of a sandbox.
Make a frame to hold a shade.

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Test the materials you think will work best as shades.
What kind work best?

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Great job!