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Purpose:
To understand how insulation works to prevent heat energy transfer. To understand the meaning of "R-value". To appreciate the value of insulation.
Summary:
Students will study the effects of various insulation materials and draw conclusions about the characteristics of a good insulator. Students will further evaluate the environmental implications of reducing heating and air conditioning use and practical ways they can reduce energy consumption.
Objectives Links:
G. Alternative energy sources
Process Skills Checklist
Materials:
- 1 medium sized apple for each student
- 1 potato peeler (the potato peeler can be shared between 2 students)
- 1 sharp paring knife (the knife can be shared between 2 students)
- 2 napkins or 2 paper towels for each student
- 2 sheets of graph paper
Safety Concerns:
Use caution in heating up and transferring hot water.
Revision Date:
Summer 2001
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