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Science Fair Project Idea
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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- Less Details
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
Every day, no matter where you are, you will see people using their cell phones. People use their cell phones for more than just making calls though. They use them for texting and searching the Internet, too. But some health groups are concerned that using your cell phone too much can be hazardous to your health as it exposes your body to electromagnetic radiation. In this electricity and electronics science project, you will investigate how much radiation your cell phone emits when used… Read more
Elec_p068
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- Less Details
Time Required Long (2-4 weeks)
Prerequisites You must have access to a cell phone.
Material Availability In order to test for electromagnetic radiation in the radio frequency range, you need a radio frequency (RF) meter. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Wear proper safety gear when building the jig. See the Experimental Procedure for details.
Science Fair Project Idea
Do you ever feel like you need to move your legs faster than your parents do just to keep up with them? This could be because of the difference in leg length between you and your parents. How many more steps do you need to take compared to your parents to walk down the block? Can you use a walking test to determine how tall a person is? This science project will help you find out! You can even use your phone and Google's app to record the steps and determine the pace. Read more
Sports_p002
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Requires adult supervision when seeking volunteers
Science Fair Project Idea
It's hard to believe that the same water that you use every day to quench your thirst, cook with, bathe in, swim in, and wash your clothes and dishes, is capable of another trick—it can make electricity! Electricity can be generated through the flow or through the fall of water. A big, fast-flowing river, for instance, contains a lot of moving energy that provides enough pressure to turn the blades of a turbine and run an electric generator. This same pressure can also be created though… Read more
Energy_p029
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites Access to a bathtub or other area suitable for testing with water.
Material Availability Readily available
Cost Very Low (under $20)
Safety Use caution when poking holes with the nail.
Science Fair Project Idea
How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project if the size of the parachute matters. Read more
Aero_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
Science Fair Project Idea
Plants need nitrogen to grow healthy stems and leaves. Although nitrogen is the most abundant element in the air we breathe, that form of nitrogen cannot be used by plants. Nitrogen contained in fertilizer, on the other hand, is readily taken up 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
Watching a spacecraft launch is an amazing experience. It is thrilling to see it lift off and escape Earth's gravity. Did you know that it takes a chemical reaction to get a spacecraft into space? Every time you see a one blast off, you are watching chemistry at work. In this chemistry science fair project, you will also get to blast an object into the air. You will not be using the same fuel that NASA uses for the rockets that launch their spacecrafts; instead, you will use two simple… Read more
Chem_p086
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Wear safety goggles to prevent eye injury during launch.
Science Fair Project Idea
Soil erosion can cost the world billions of dollars every year by washing pollutants into our streams and rivers and by causing the loss of farmland. What can you do about this problem? Help save the world (and some money!) with nothing more than a few plants! Read more
EnvEng_p037
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- Less Details
Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
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
Our home, Earth, is a living planet. Earthquakes and volcanic eruptions are proof that the geological forces that shaped our planet and created the land masses are ongoing. An amazing example of geologic activity that is less damaging is a geyser. In this geology science fair project, you will build a model geyser and determine how depth of the source affects how the water is ejected. By the end of this project, you will know a lot more about geysers and understand that a geyser is much more… Read more
Geo_p040
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- Less Details
Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Specialty items are required. This science fair project requires using an Erlenmeyer flask and a rubber stopper with a hole through it. See the Materials and Equipment list for details.
Cost High ($100 - $150)
Safety Minor injury is possible, so wear safety goggles. Adult supervision is required.
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