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Others Like “Plants Are On The Move! A Study of Gravitropism”

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Science Fair Project Idea
thumbnail Plants move—not very quickly compared to animals, but they do move. Their roots grow downward in response to gravity, and their stems grow upward toward the Sun. In this plant biology science fair project, you will investigate how young plants respond through movement to light. Read more
PlantBio_p041
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail You might not know it, but plants are able to sense their environment and actually respond appropriately. One of the key parameters that every plant must respond to is the direction of gravity: stems go up (opposite to the pull of gravity) and roots go down (in the same direction as the force of gravity). In this project, you will construct simple devices that hold several germinating seeds, which allow you to watch how growing rootlets respond as you rotate the devices, effectively altering… Read more
PlantBio_p034
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Average ($40 - $80)
Safety No issues.
Science Fair Project Idea
thumbnail Have you ever heard someone say, "that plant is thirsty" or "give that plant a drink of water"? We know that plants, and even bouquets of cut flowers, need water to survive, but have you ever thought about how the water moves within the plant? In this science project, you will use colored water and carnations to figure out where the water goes. Read more
PlantBio_p033
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult assistance required to cut flower stems.
If child is allergic to food dye, then adult assistance is required to add and mix the dye.
Science Fair Project Idea
thumbnail We tend to think of plants as immobile, but the tendrils of a vine, such as the morning glory, actually move in response to touch. Tendrils wrap around structures, which give the plant something to grow on. In this science fair project, you will investigate how plant tendrils respond to touch stimuli. Read more
PlantBio_p037
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Time Required Very Long (1+ months)
Prerequisites This science fair project requires healthy growing plants with tendrils. It may take 3 to 4 weeks to grow the plants from seeds.
Material Availability Specialty items: A growing plant with tendrils, such as a morning glory or sweet pea.
Cost Low ($20 - $50)
Safety Use caution when using the razor blade or craft knife. Adult supervision is recommended.
Science Fair Project Idea
Do you like to climb trees? The branches of trees are what make them so fun to climb. Each branch starts out as a tiny shoot that grows out from a stem. How is the growth of shoots along a stem regulated? Read more
PlantBio_p018
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No hazards
Science Fair Project Idea
thumbnail Hydrogen peroxide (often used as a disinfectant) has also been approved for use in pesticides. This science fair project investigates whether hydrogen peroxide has any effects on seed germination or on roots of plant cuttings. Read more
PlantBio_p036
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety Use caution when using the knife. Always use oven mitts when you remove items from an oven. Adult supervision is recommended.
Science Fair Project Idea
thumbnail If you sit under a leafy tree on a sunny day, you may notice spots of sunlight on the ground from light passing through spaces between the leaves. Try putting a piece of cardboard on the ground and examining the spots of light on the cardboard. Even though the spaces through which the light is passing are irregular in shape, the spots on the cardboard are round. What you are seeing, in fact, are projected images of the sun. Light passing through an aperture forms an image. A pinhole camera… Read more
Photo_p005
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Time Required Average (6-10 days)
Prerequisites Must have digital camera capable of taking long, controlled exposures without flash.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Germination is the process by which a seed emerges from the seed coat. Many different variables can effect the process of germination. Try to sprout seeds from different species of plant to see if different species vary in germination time. Are weeds faster germinators than vegetables? Try measuring seeds and then germinating them to see if big seeds sprout at a different rate than small seeds. Try sprouting seeds in different environments to test the effect of different environmental… Read more
PlantBio_p028
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Use caution when using a blade to cut open seeds. Adult supervision is recommended.
Science Fair Project Idea
thumbnail We all know that plants need sunlight and water to grow big and tall. But did you know that inside seeds are baby plants, and that the fragile baby plant inside the seed needs to be protected? If you've ever had a sunburn, you also know that the sun gives off harmful radiation and heat. How much radiation and heat can a seed handle? Find out using some radish seeds, an oven, and your microwave! Read more
PlantBio_p008
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Requires adult supervision
Science Fair Project Idea
Cryopreservation—storing seeds in ultra-cold liquid nitrogen—is one method for maintaining plant genetic stocks in seed banks. Can seeds withstand a really deep freeze and still germinate? Read more
PlantBio_p004
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Time Required Long (2-4 weeks)
Material Availability Requires a sponsor to provide access to liquid nitrogen
Cost Low ($20 - $50)
Safety Must have adult supervision when working with liquid nitrogen.
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