What Is the Effect of Water Temperature on the Amount of Color in Spirogyra Plants (Algae)?

Science Fair Project Information
Subject: Botany
Grade level: Middle School - Grades 7-9
Academic Level: Ordinary
Project Type: Experimental
Cost: Low
Awards: None
Affiliation: Selah Intermediate School
Year: 2000
Description: The purpose of this experiment was to measure the amount of color in five different groups of algae plants (spirogyra) each growing at a different temperature. A vacuum flask was used to filter the plants from the water using a glass fiber filter. A colorimeter measured the amount of color on the clean glass fiber filters.
Link: http://www.selah.k12.wa.us/SOAR/SciProj2000/CarissaH.html