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Does a Greenhouse's Glass Affect Plant Growth?

CSEF · 2003 Plant Biology

Raquel E. Solis · Lone Star Elementary School, Fresno

Overview

Objectives/Goals My objective is to determine whether the thickness of the glass walls of a greenhouse affects plant growth. Methods/Materials Four glass cubes with thickness of : 1/16", 3/16", 1/8", and 1/4". Five thermometers were used to mesure temperature as well as a centimeter ruler to mesure growth. Planted radish seeds in five containers. The fifth container was used as a control. The control was outside of any glass. Mesured growth and temperature and growth for eleven days. Waterde when necessary. Results Radishes in the 3/16" cube and in the natural enviroment ( the control) grew faster.They grew bigger in the 1/4" cube. 1/8" cube had the slowest growing plant. The plant in the 1/16" cube grew at a steady rate. Conclusions/Discussion My project proved me half right. I thought that the plant in the 1/4" cube would grow faster and bigger. It only grew bigger.

Summary statement

My project is to test the affectsof the thickness of greenhouse glass on plant growth.

Help received

Mother helped decorate; Father glued the glass together ( it was too sharp for me); Used teacher's laptop

Competition history

  • CSEF 2003 Plant Biology · Entry J1623

Resources

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Source: California Science & Engineering Fair public projects

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