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Wood Chip vs. Fiberglass Insulation

Wood Chip vs. Fiberglass Insulation. By Gus Conwell Period 4 Quarter 4 Robert Louis Stevenson Middle School. Question. Will fabricated insulation be better at holding heat than natural insulation?. Background Information. This experiment was based on heat convection.

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Wood Chip vs. Fiberglass Insulation

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  1. Wood Chip vs. Fiberglass Insulation By Gus Conwell Period 4 Quarter 4 Robert Louis Stevenson Middle School

  2. Question • Will fabricated insulation be better at holding heat than natural insulation?

  3. Background Information • This experiment was based on heat convection. • Convection is how heat moves around the earth. • Builders install insulation to keep the interior of structures warm and quiet.

  4. My Hypothesis • I predict that the fabricated fiberglass insulation will better at holding heat than the natural wood chip insulation.

  5. Variables • Experimental: wood chips, R-13 insulation • Constant: light bulbs, boxes, instant thermometers, temperature on the outside

  6. Materials • Wood base • 2 - 25 watt light bulbs • 2 – same size cardboard boxes • 2 - Instant thermometers • Wood Chips • R-13 insulation

  7. Building Procedures 1. Gather all required materials 2. Build two cardboard houses 3. Install wood chip insulation 4. Install fiberglass insulation 5. Wire two light bulbs

  8. Testing Procedure • Recorded outside temperature • Turn on the lights in each insulation testing cardboard box • Wait 5 minutes for insulation boxes to warm up, record temperature, turn off light • 2 minutes later record temperature • 3 minutes later record temperature • 3 minutes later record temperature

  9. Observation Table

  10. Outside temperature 65 degrees

  11. Outside Temperature 50 degrees

  12. Total Temperature Lost in 8 Min

  13. Data Analysis • Surprisingly, the wood chips reflected the light causing a initial higher temperature. • However, the fiberglass insulation retained heat better than the woodchips. • Therefore, fiberglass is better than wood chip insulation at holding heat.

  14. Conclusion • My hypothesis was correct. • Fiberglass is a better insulator of air than wood chips. • We might have had different results if we had tested at extreme temperatures • I tried to find a natural solution to keep a house warm, but R-13 insulation proved to be a better choice

  15. Special Thanks • My dad, I could not have done it without him. • School for champions website from 3/24/10. http//www.school-for-champions.com/science/thermal_insulation.html • Mr. Pham for guidance, help, and advice.

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