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Science Fair Project Idea
thumbnail Every spring, gardeners around the world get ready to plant their summer gardens. They turn the soil over in their garden plots and add nutrients to the soil. Then they plant their seedlings and wait for nature to provide a bounty of fruits, vegetables, and flowers. But nurturing the garden doesn't stop there. In order to get lots of fruits and vegetables, the gardener must eliminate factors that can hurt the plants. Sometimes, chemicals in the soil from other plants and trees can hurt a… Read more
PlantBio_p042
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Time Required Long (2-4 weeks)
Prerequisites You must have access to black walnut trees on your own property, or permission to pick leaves if the tree is on someone else's property. You must also have access to a stovetop.
Material Availability Specialty items are required. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Minor injury is possible. Use disposable gloves and safety goggles when working with chemical solutions. Don't use the solution made in this science fair project in your home garden. The chemical juglone can remain in the soil, poisoning plants for many years.
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
thumbnail Look out! When you walk on the grass, you are squishing millions of micro-invertebrates! Just kidding, these animals are too small to squish. Learn how to catch them by making a Berlese funnel in this fun project that will teach you about soil. Read more
EnvSci_p042
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail What is the first thing you do when you wake up on a cold, frosty morning? Snuggle down deeper under the covers? Animals, like puppies and piglets, do not like being cold either, but they do not have hands or blankets to wrap themselves up. So when animals get chilled, they change their behavior and do things like huddle—they curl up close to other animals. In this mammalian biology science fair project, you will see just how much huddling can help reduce heat loss. Read more
MamBio_p027
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Use caution when handling glass jars or thermometers, as they can break or crack if dropped. Adult supervision is required when using the stove.
Science Fair Project Idea
thumbnail Have you ever seen a great movie and then rushed out and bought its soundtrack? Did the soundtrack bring back the thrill of an action chase? Or the sadness one of the movie's characters felt? Music is a big part of the movie experience. It intensifies the emotions in scenes so that you do not just jump when that hairy spider comes around the corner, you scream! In this music science fair project, you will find out if happy, sad, scary, and action scenes in movies use music with the same… Read more
Music_p026
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability You must have access to a DVD player.
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
thumbnail Measurements are very important for scientists. It is especially important that the measurements be accurate. Think about how important accuracy is when you want to know if you are taller than a friend of yours, every inch counts! In this experiment, you will investigate how different objects can be measured with accuracy. Are small or large objects more difficult to measure? Who in your family is the best at measuring? Maybe it will be you! Read more
Math_p015
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Time Required Very Short (≤ 1 day)
Prerequisites Basic math operations
Material Availability Readily available
Cost Very Low (under $20)
Safety No hazards
Science Fair Project Idea
thumbnail Extinct might be a word you associate with animals that lived long ago, like the dinosaurs, but did you know that over 18,000 species are classified as "threatened" (susceptible to extinction) today? Scientists involved in wildlife conservation have a tough job; they're in charge of determining what needs to be done to prevent a species from becoming extinct. Habitat, food supply, and impacts of local human populations are just a few of the factors these scientists take into account. It's a lot… Read more
EnvSci_p057
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Time Required Short (2-5 days)
Prerequisites None.
Material Availability This science project requires a computer you can use to download and save data sets, and install Google Earth, a free mapping program. See the Materials and Equipment list for details.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Maple syrup is deliciously gooey and great on breakfast foods like pancakes and waffles. But it has another amazing property. It can be turned into maple candies with a range of textures, like sticky maple taffy or molded maple sugar candy. In this science fair project, you will investigate how the temperature that maple syrup is heated up to affects what type of maple syrup-based candies can be made. Read more
FoodSci_p044
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is required when using the stove.
Science Fair Project Idea
thumbnail Have you ever heard the expression, "You can't judge a book by its cover"? What do you think that means? That a book with a very plain cover might have a very exciting and interesting story inside? Well, in this geology science project, you'll see if the same expression holds true for a rock, but not just any old rock, a special type of rock called a geode, which looks rather plain and ordinary on the outside, but inside can hold crystals and beautiful colors! You'll discover if the texture or… Read more
Geo_p042
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability You will need to order geodes from a science supply store. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Adult supervision is required.
Science Fair Project Idea
thumbnail Do you know someone who has an autoimmune disease? Autoimmune diseases are fairly common, affecting more than 23.5 million people in the United States, which is about 1 in 13 people! You may have heard of some of them, such as diabetes (type 1), rheumatoid arthritis, and celiac disease. Many autoimmune diseases are poorly understood, but they all have one thing in common: they happen because a person's immune system (which normally fights off germs to keep the person healthy) attacks the… Read more
BioMed_p017
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
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