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Project title Effect of water hardness on seed germinationFeatured science projectScience project video
Difficulty Level Middle school
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This science fair project was conducted to ascertain if the hardness of water used on seeds will affect their germination. The science project experiment involved blackeyed Susan seeds that were made to germinate by watering with hard water, tap water and soft water. 

Instructions preview
1. For this science fair project, the independent variable is the hardness of the water – hard water, tap water, soft water. The dependent variable is the number of seeds that germinate. This is determined by observing the seeds every day. The constants (control variables) are the environment the plants are kept in (temperature, humidity, light, etc), the type of plant used, the amount of water used and the size of the container. 2. The 3 beakers are labeled as “Hard”, “Tap” and “Soft”. One ball of cotton is placed inside each of the beakers. The packet of black-eyed .....
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