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Science Fair Project Idea
Flower development is an important part of plant growth. When a plant has reached maturity, it needs to develop flowers in order to reproduce. The male and female parts of the flower have specialized structures for reproduction that develop as the plant matures. How do flowers develop over time? Which structures develop first? You can answer these questions by dissecting the flowers of a gladiola. Gladiola flowers grow and develop along the stem, with the most mature flowers opening at the… Read more
PlantBio_p027
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Gladiola plants are available for purchase in many plant nurseries at select times of the year. Check with your local nursery.
Cost Low ($20 - $50)
Safety Use caution when using a blade for flower dissection. Adult supervision is recommended.
Science Fair Project Idea
Some plants grow only in water-logged environments. These plants are usually native to wetlands and are important for the sustainability of aquatic ecosystems. Wetland ecosystems are very fragile and susceptible to the toxic dumping of sewage and fertilizer run-off from neighboring farm land. One very common aquatic plant called duckweed inhabits many wetland marshes. Duckweed grows by asexual reproduction and floats at the surface of the water with tiny roots extending into the water below.… Read more
PlantBio_p030
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Duckweed can be purchased from plant nurseries, or you can also find it growing naturally in local ponds and marshes. If you find the duckweed in a local water source, make sure you get permission from the land owner or town before taking any.
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
Mushrooms are not plants, but are fungi. Fungi include mushrooms, molds, and lichen. They do not produce seeds to reproduce like some plants. Fungi produce spores, like more primitive plants do. The spores of a mushroom are contained in the tiny folds around the stem underneath the mushroom cap. Different species of mushrooms have different types of spores, with different colors and different patterns of folds. You can make mushroom prints by removing the stem from a mushroom and placing the… Read more
PlantBio_p026
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability This project requires access to a place where mushrooms grow wildly (and you have permission to harvest them) or the purchase of a mushroom growing kit from an [# ProjectGuide Name="Advanced.ApprovedSuppliers" Value="HtmlAnchor" HtmlText="online vendor" #].
Cost Low ($20 - $50)
Safety Do not eat any mushrooms that you find growing in the wild.
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
No one can deny the devastating consequences of an oil spill on the local wildlife. Oil affects all levels of the ecosystem, from plants to fish and birds. What happens to water plants if you add motor oil to their pot? What is the effect of motor oil on the health of a goldfish, or water insects? What happens to the barbs of a bird feather if they are dipped in oil? Can you test different types of environmentally-friendly detergents for cleaning the bird feathers? Can you test different… Read more
EnvSci_p032
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Time Required Average (6-10 days)
Science Fair Project Idea
thumbnail Whiteflies are a group of closely related insect species whose larvae live on plants. Like aphids, they suck nutrients from the plant's circulatory system. What is the most effective method for fighting a whitefly infestation in your garden? This project has some ideas for you to try. Read more
Zoo_p047
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Time Required Long (2-4 weeks)
Prerequisites Plants with whitefly infestation for testing different treatments.
Material Availability Readily available
Cost Average ($50 - $100)
Safety Adult supervision required. Follow manufacturers instructions for safe use of commercial whitefly treatments.
Science Fair Project Idea
Smog days are often posted in your local newspaper. Check how many smog days your city has had in the last year. How does it compare to to other years? You can also take pictures of your city landscape on high and low smog days. How do the pictures compare? How does smog in the atmosphere affect visibility? What is smog made of? You can use tongue depressors smeared with Vaseline to check for smog particles in different areas; just stick in the ground and look at them a few days later. … Read more
Weather_p015
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Time Required Average (6-10 days)
Science Fair Project Idea
Do your parents like to garden? Then you might have a beautiful lawn surrounded by flowers, or a vegetable garden. Humans have been introducing plants to our landscapes for centuries, which has dramatically altered the natural habitat of many environments. Chances are, the landscape you live in is not a natural landscape. One movement is to restore these habitats by re-introducing native plants. Conduct a survey in your area looking for native and non-native plant species. You can take… Read more
EnvSci_p030
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Time Required Long (2-4 weeks)
Science Fair Project Idea
Invasive species are organisms (either plant or animal) that have been introduced into a new, non-native area and spread rapidly in the new environment due to a lack of regulation by predators. Frequently, invasive species will out-compete native species for resources which can put native species at risk. This is an especially big problem for threatened habitat and endangered species, which are already at risk. Survey your area to document cases of invasive species invading a local… Read more
EnvSci_p029
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Time Required Very Long (1+ months)
Science Fair Project Idea
It is important to ensure that we all have good clean water to drink that is not contaminated by heavy metals or chemicals. One common pollutant in a water supply is lead in old pipes or paints that can leach into the water and cause lead poisoning. There are different kits available for testing the presence of lead and other contaminants in water. Test your water supply, and also the water in some local ponds, lakes or streams. The same contaminants that can harm you can also harm wildlife. … Read more
EnvSci_p024
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Time Required Average (6-10 days)
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