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Education
Ages 6 to 11
Science - Physical Science Technology Education - Society and Technology
Teacher asks students to:
- disassemble a thermos and examine its construction;
- explain how foods were preserved before the invention of the refrigerator;
- have an older person visit the class to talk about their first fridge and how their ancestors preserved their foods;
- bring in various materials and study their insulation properties by using them to wrap ice cubes;
- depict the evolution from cellars to refrigerators on a timeline.