ePortfolio-Natural Sciences
- 1. Solar Energy IB Group 4 Project By Ben Ruktantichoke Kristin Coad Claudine Torres Emilio Solomon
- 2. Introduction
- 3. How does changing the color of an aluminum affect the rate of temperature increase of water inside the can?
- 4. Theory
- 5. Materials • Laptop • Paint brushes • Aluminum cans • Thermometers • Timer • Photo- spectrometer • Paint • Tap water • Tray
- 7. Procedure • Paint six different cans in different colors • Fill the cans with tap water • Place one thermometer in each can • Place the cans in direct sunlight • Record the initial temperature of the water • Record temperatures in two minute intervals for 20 minutes • Repeat for three trials
- 8. Diagram Set-up Sun Timer Thermometers Aluminum Cans Water
- 10. Photo-Spectrometer Graph
- 11. Total Intensity vs. Average Temperature Rate for each Color Color Total Intensity Reflected Average Temperature Rate (W/m²) (ºC/min) ±0.07 Black 00.6 0.25 Green 05.3 0.23 Red 13.1 0.18 Orange 20.7 0.18 Yellow 31.7 0.19 White 74.4 0.16
- 13. Conclusion & Evaluation • The brighter the color of can is, the greater intensity reflected upon the aluminum cans. • Intensity Reflected. • By changing the color of the aluminum can, the average temperature rate decreases.