western
Physics and Astronomy

                                   
Keep It On Ice
Objective To keep a piece of ice from melting for the longest period of time. In effect, you are creating a controlled environment.
Purpose To learn about heat flow.
Participants Teams of two or three
Materials Standard ice cubes - container to be pre-assembled by the competitors no larger than 20 cm X 20 cm X 20 cm.
Rules
  1. The container may not be built with commercial insulating materials
  2. The students will place the ice cube in their containers at the same moment.
  3. When an ice cube,left in the open air on a saucer, has melted, the volume of the ice inside the containers will be checked.
Judging The container with the largest ice cube is the winning container.
Source Youth Science Foundation Science Olympics Manual.

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