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Science and Technology/Engineering
Curriculum Framework - Spring 2001

Technology/Engineering, Grade 9 or 10

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Additional Ideas for Developing Investigations and Learning Experiences and Suggested Extensions to Learning in Technology/Engineering are in Appendix III.

Please note: For grades 6-high school, there are suggested learning activities after each set of learning standards. The numbers in parentheses after each activity refer to the related technology/engineering learning standard(s).

Energy and Power Technologies-Thermal Systems

Broad Concept: Thermal systems involve transfer of energy through conduction, convection, and radiation, and are used to control the environment.

4.1 Differentiate among conduction, convection, and radiation in a thermal system, e.g., heating and cooling a house, cooking.
4.2 Give examples of how conduction, convection, and radiation are used in the selection of materials, e.g., home and vehicle thermostat designs, circuit breakers.
4.3 Identify the differences between open and closed thermal systems, e.g., humidity control systems, heating systems, cooling systems.
4.4 Explain how environmental conditions influence heating and cooling of buildings and automobiles.
4.5 Identify and explain the tools, controls, and properties of materials used in a thermal system, e.g., thermostats, R Values, thermal conductivity, temperature sensors.

Suggested Learning Activities

  • Create a model to test the concept of conduction and compute heat losses, e.g., through the multi-layer wall of a building. (4.1, 4.2, 4.4)
  • Design and build a hot water solar energy system consisting of a collector, hoses, pump (optional), and storage tank. After it has been heated, calculate the heat gains achieved through solar heating. (4.1, 4.5)
  • Design and build a model to test heat losses through various materials and plot the results. (4.2, 4.5)
  • Design and build a solar cooker for various food substances. Each student should design their solar cooker for her or his specific food. (4.1, 4.2)
  • Design an awning for a business based upon the seasonal changes in the angle of the sun. (4.2)

Boldface type indicates core standards for full-year courses.

Last Updated: May 1, 2001
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