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Keep a frozen treat from melting.Watch the video below and visit the Design Squad website for step-by-step instructions.
Container (lunchbox, cardboard box, bag, etc.)Insulation (i.e., newspaper, cotton balls, packing peanuts, foam, bubble packaging, etc.)Plastic bag that closes tightlySomething frozen (i.e., ice pop, ice cube, etc.)
Use any of the suggested containers. Or try another one you think will work.
Remember, materials don’t insulate! It’s the AIR that’s trapped inside a material that insulates.Cover the bottom half of the lunchbox with insulation.
Crumple and layer the insulation in a way that traps a lot of air.
What materials will trap the most air to keep the heat from getting to the ice pop?
Make sure your insulation fits. After all, you need to carry your ice pop somewhere!
Then, open up.
How’d your lunchbox do? Is your ice pop still frozen? Yes? Then eat your treat. If not, try again!
It’s all about stopping heat. A good insulator keeps heat from moving. For example, to keep something cold, an insulator stops heat from entering. To keep something hot, ...
Build an even better lunchbox. Use your materials differently to trap more air. Or use different kinds of materials. See if you can get less melting in 30 ...
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