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Science Fair Project Idea
thumbnail Have you ever planted a garden? It is a real pleasure to see a garden where all of the plants lie in neat rows and are healthy and thriving. Plants need sunlight and nutritious soil to grow and be healthy, right? Not always! Hydroponics is the science of growing plants in nutrient-rich water. Does it work? Try this project and see for yourself! Read more
PlantBio_p045
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability A hydroponics terrarium is required and, for your convenience, can be purchased at the [# Link Name="PlantBio_p045.1" Value="HtmlAnchor" #].
Cost Average ($50 - $100)
Safety Use gloves and safety goggles when handling chemicals. Adult supervision is required.
Science Fair Project Idea
Like humans, plants can be negatively affected by overcrowding. Unlike humans, plants cannot get up and move to a new environment or explore how to utilize new resources. This experiment will explore the effects of crowding (population density) on the growth and health of plants. Read more
PlantBio_p011
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Time Required Very Long (1+ months)
Prerequisites Background research on biomes, ecosystems, population density, and the basic needs of plants.
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
You might know that lead can be toxic, and that you can get lead poisoning from eating or inhaling old paint dust. Lead is called a heavy metal, and there are other sources of heavy metals that can be toxic, too. Silver, copper, mercury, nickel, cadmium, arsenic, and chromium are all heavy metals that can be toxic in certain environments. In this experiment, find out if one common heavy metal, copper, can be toxic to an aquatic environment. Read more
EnvSci_p018
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Time Required Average (6-10 days)
Prerequisites The copper sulfate pentahydrate used in this project requires special disposal. Create a disposal plan before starting this project. See the end of the Procedure for more details.
Material Availability Items will need to be special ordered. See the Materials & Equipment section for more details.
Cost Average ($50 - $100)
Safety This project requires adult supervision when handling and measuring copper sulfate granules. Wear gloves and safety goggles when measuring. Dispose of the copper sulfate pentahydrate solutions and leftover granules according to local pesticide disposal regulations.
Science Fair Project Idea
thumbnail Do you like to watch outdated science fiction and cheesy horror movies? Many fictional tales of cloned organisms have been created based upon the scientific method for cloning animals or plants. In the real world, the cloning of plants is a common method used in modern farming. How do you clone a plant? In this science project you will get to find out by making your own cabbage clones! Read more
PlantBio_p016
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision required for using a knife
Science Fair Project Idea
thumbnail Did you know that when you use fertilizer in your garden, it can eventually reach a lake, stream, or pond? There are many different chemicals present in fertilizers. How will they affect the aquatic organisms in the ecosystem? In this science project you will get to find out! Read more
EnvSci_p017
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Time Required Long (2-4 weeks)
Prerequisites This project will require approval from the [# ProjectGuide Name="Advanced.ScientificReviewCommitteeSRC" Value="HtmlAnchor" #] if you use fish or any other vertebrate animal in your experiment.
Material Availability Readily available
Cost Average ($50 - $100)
Safety This project requires adult supervision when handling and measuring liquid fertilizer.
Science Fair Project Idea
Plants need nitrogen to build proteins and nucleic acids to grow healthy stems and leaves. Though the Earth's atmosphere is made up of 79% nitrogen, the form of nitrogen found in the atmosphere cannot be used by plants. In this experiment, you will compare plants grown without nitrogen fertilizer to plants grown with nitrogen fertilizer. Read more
PlantBio_p012
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision recommended during preparation of nitrogen fertilizer solution
Science Fair Project Idea
thumbnail Have you ever planted a garden? It is a real pleasure to see a garden where all of the plants lie in neat rows and are healthy and thriving. However, it can be very frustrating when your garden doesn't thrive. There are numerous causes that prevent a plant from thriving. Perhaps the soil is not rich enough with nutrients or maybe pests are present in the soil that are sapping the seedling's energy. Soils also carry fungi that can attack a young seedling. What if you could avoid some of the… Read more
PlantBio_p044
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability You must purchase a hydroponics kit. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Use gloves and safety goggles when handling chemicals. Adult supervision is required.
Science Fair Project Idea
thumbnail Chemicals from Earth's atmosphere are making their way down to the planet! Not in spaceships, but in rain. The acid rain can infiltrate ground water, lakes, and streams. How does acid rain affect aquatic ecosystems? Read more
EnvSci_p016
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Time Required Average (6-10 days)
Prerequisites None.
Material Availability Items will need to be special ordered. See the Materials and Equipment section for more details.
Cost Average ($50 - $100)
Safety No hazards.
Science Fair Project Idea
thumbnail Mowing the lawn is hard work, especially on a warm day. Not only do you have to mow the grass, but you also have to dispose of the clippings. Some people add the clippings to a compost pile in their yard, which is a great idea. But did you know that some grasses can be used as a source of energy? In this energy science fair project, you will learn more about a type of energy called biomass energy. You will grow different kinds of grasses and see which type of grass gives you the most biomass,… Read more
Energy_p034
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability Readily available
Cost High ($100 - $150)
Safety If making your own flower pots out of cartons, use caution when using the scissors to cut the cartons in half. Adult supervision is recommended.
Science Fair Project Idea
thumbnail Crown gall is a plant disease caused by the soil bacterium Agrobacterium tumefaciens. This project uses tomato plants to investigate whether garlic extract can prevent crown gall infection. Read more
MicroBio_p024
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Time Required Long (2-4 weeks)
Prerequisites You will need a plant with an existing crown gall infection as a source of bacteria for this project.
Material Availability Readily available
Cost Low ($20 - $50)
Safety Use caution when cutting with sharp knife or razor blade.
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