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Topics > Biology > Botany

	Project title	Ionizing radiation and plant growth
	Difficulty Level	Middle school
	Project page	Click here to view this science project
Description
This science fair project was performed to examine the effect of ionizing radiation on plant growth. The testing was done by exposing the seeds of green beans to X-ray radiation for different lengths of time.
Instructions preview
1. For this science project, the independent variable is the length of time during which the seeds are exposed to X-ray. The dependent variable is the height of the bean sprouts. This is determined by measuring the length of the bean sprouts with a ruler. The constants (control variables) are the type of radiation used, the type of seeds used, the amount of water and the type of soil used. 2. Permission is obtained from a a diagnostic laboratory, for the use of an X-ray machine in order to expose the green beans to X- ray radiation. The assistance .....

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