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Project title Hydroponics vs. soil growth Featured science projectScience project video
Difficulty Level Middle school
Project page  Click here to view this science project

Description
This science fair project aims to compare the rate of growth of the Peperomiplant a (radiator plant) grown hydroponically as opposed to being grown in soil. This is carried out by by measuring the length of the plantís roots.  

Instructions preview
1. The independent variable in this science fair project is the method of cultivation – whether the plant is grown in soil, or hydroponically. . The dependent variable is the length of the plant’s roots after 3 weeks. This is determined by measuring the length of the roots using a ruler. The constants (control variables) are the amount of soil or nutrient solution, the type of plant, the length of the stem, the length of time allocated for the experiment and the amount of sunlight received by the plants. 2. Cut 10 pieces of the Peperomia plant stem into .....
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