CAN CHALLENGE It’s time for the…. In this activity, you will use your (now vast) knowledge of thermal conduction and insulation to construct an insulating.

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Presentation transcript:

CAN CHALLENGE It’s time for the…

In this activity, you will use your (now vast) knowledge of thermal conduction and insulation to construct an insulating case for a standard 355 mL soda can. The soda can will be placed in the insulator that is already mostly immersed in ice water. It will then be filled with 100 mL of boiling water and a thermometer will be inserted. When the temperature reaches 70 ⁰ C, the insulator will be closed and a stopwatch will be used to time it for 20 minutes. 355 mL INSULATOR beaker

Before you start squealing with joy… some RULES

Your insulating container may not be more than 10 cm x 10 cm x 20 cm. We will have a container it must fit inside to be sure that it meets specification

The bottom 4/5 of your insulating container should be waterproof. Think about it.

You will work in pairs that are personally engineered by yours truly. This is for your benefit, trust me. Teams are on the wiki.

You must name your contraption. It can be any name as long as it’s appropriate. And you all know what that means.

You may not use something that is already designed to insulate a soda can. Exercise your genius, not your ability to copy someone else’s.

You may not use any outside sources of heat such as hot hands, electrical devices, etc.

You may not use fiberglass or asbestos insulation for this project. It just makes a massive mess.

You must be able insert and removed the can from your insulator. You cannot build the can into it.

Not only will you create an insulator for your can but you will also document and explain your design process: Powerpoint Photostory Documentary Posters, etc. This document should include a description of materials and methods used.

Group D.O.D. (documentation of design): 50 points Individual lab report: 50 points (including introduction, question and hypothesis, data, analysis. Materials and procedure will be outlined in your D.O.D.) More details to follow…

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