The Effect of Acid Rain on the Biomass of Radishes

Science Fair Project Information
Subject: Environmental Sciences
Grade level: Elementary School - Grades 4-6
Academic Level: Ordinary
Project Type: Experimental
Cost: Low
Awards: None
Affiliation: Selah Intermediate School
Description: Sulfuric acid is added to distilled water to represent different levels of acid rain. The independent variable is the pH level in the water given to the different groups of plants. The dependent variable is the plant growth (mass) of the radishes which is measured by a triple beam balance.
Link: http://www.selah.k12.wa.us/SOAR/SciProj2006/KaitlinB.html