Comparing types of artificial light on plant growth

Introduction:
Plants need light. Leaves produce the plant's food by the action of light on chlorophyll contained in their cells. This process is called photosynthesis. 

Sunlight contains all the light that plants need, however if we decide to use artificial light, we are not sure that every light bulb has all the lights that a plant needs. 

Ordinary incandescent light bulb, Fluorescent bulbs, Metal-Halide and High-Pressure-Sodium bulbs are among the light types that you can test for this project.
 
 Project description:
In this project you design and perform an experiment to compare the effect of different artificial lights on plant growth. Your experiment results can be submitted in the form of a table and a graph. Allow 3 to 6 weeks for your experiments.
 Details of this project
More details or support on this project is available for the members of ScienceProject.com web site. Material needed for this experiment can be found at home or obtained locally.
 
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