Plant Science Fair Project Ideas

• What is the percentage of water in various fruits and vegetables?
• Does music affect plant growth?
• Compare types of artificial light on plant growth.
• Do different colored lights affect plant growth?
• What are the best conditions for mushroom productions/growth?
• What happens to mushrooms grown with no light, or too much light? No moisture, or too much moisture? No fresh air?
• Do roots of a plant always grow downward?
• Compare different methods of cooking a potato and the sensory differences.
• Does adding salt to a plant's water affect its health? How much salt can a plant tolerate before it dies?
• Can plants grow without soil?
• What type of soil is in my school yard?
• How does the spray from mister bottle affect plant growth?
• Does music affect plant growth?
• Does a green plant add oxygen to its environment?
• Compare organic pesticides to commercial pesticides.
• What percentage of cornseeds in a package will germinate?
• Does a plant need some darkness to grow?
• What are the effects of chlorine on plant growth?
• Do weed killers affect house plants?
• How do the moon phases affect plant germination?
• How fast do roots grow?
• What is the effect of chlorinated water on plant growth?
• How does the number of seeds produced by different plants compare?
• Will frozen seeds sprout?
• Will plants grow better in soil or water?
• What can be done to increase the decomposing rate of plants?
• Do plants grow bigger in soil or water?
• How much weight can a growing plant lift?
• Does it matter in which direction seeds are planted?
• Do living plants give off moisture?
• Can mushrooms be grown hydroponically?
• Which plants and vegetables make the best dye?
• Does the type of water affect the growth of plants?
• Do living plants give off moisture?
• Do living plants give off oxygen?
• Does the amount of light affect the growth of plants?
• Does sugar prolong the life of cut flowers?