The Free Science Fair
Projects Network

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Alternate Methods of Testing Seed Viability For grades 7 thru 11 Category: Botany Hypothesis: Hydrogen peroxide will loosen the seed coat more efficiently than the hydrochloric acid and the isopropyl alcohol, and that it will cause the least amount of damage to the seed. Primary Materials Used: Petri Dishes Kentucky Bluegrass Seeds, Hydrogen Peroxide, Hydrochloric Acid, Isopropyl Alcohol, Triphenyl Tetrazlium, Microscope, Blotter Paper, Seed Strainer, Seed Piercer, White Labels, Warm Oven Click Here for more details about the "Alternate Methods of Testing Seed Viability" science fair project.

Do Magnets Affect Radish Plant Growth? For grades 4 thru 8 Category: Botany Hypothesis: The radish plants near a magnet will grow shorter and lean towards the magnet. The radish plants that are not near a magnet will grow straight and taller. Primary Materials Used: Magnets, Grow Light, Pots, Radish Seeds, Water Dropper, Potting soil, Timer Click Here for more details about the "Do Magnets Affect Radish Plant Growth?" science fair project.

How Do Different Cations and pH Affect Bean Growth For grades 4 thru 8 Category: Botany Hypothesis: The higher the pH, the poorer the beans would grow, therefore the beans would grow worst in the sodium solution and best in the calcium solution. Primary Materials Used: Pinto and Great Northern Beans, 4-Quart Plastic Tubs, PVC Pipe, Plastic Needlepoint Cloth, Distilled Water, Sprayer, Sodium Hydroxide, Potassium Hydroxide, Calcium Hydroxide, pH Paper, Disposable Gloves, Aquarium Gravel, Scale Click Here for more details about the "How Do Different Cations and pH Affect Bean Growth" science fair project.