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Science Fair Project Idea
thumbnail Have you ever dreamed of a world where you could take the scraps from last night's dinner and toss them into your car's fuel tank and make gas? Well, we're not quite in "Back to the Future" yet, but in this energy science fair project, you'll discover that food scraps, dead plants, sawdust, and other decaying organic matter, called biomass are a rich source of energy. You can get energy out of biomass by burning it, turning it into a liquid, or by turning it into a gas called biogas. You've… Read more
Energy_p027
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Time Required Long (2-4 weeks)
Prerequisites This science fair project requires access to a well-ventilated area, away from open flame or electrical sparks.
Material Availability A small quantity of fresh cow manure is required.
Cost Low ($20 - $50)
Safety This science fair project produces a small amount of a flammable gas, so it must be conducted in a well-ventilated area, away from any source of open flame or source of electrical sparks. Use caution and have an adult's help when using the bleach, as it can cause chemical burns.
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 Alka-Seltzer® tablets fizz furiously when dropped into water. The moment the tablet starts dissolving, a chemical reaction occurs that releases carbon dioxide gas. Can you make Alka-Seltzer fizz faster or slower by changing the temperature of the water? How big of a difference in the rate of a chemical reaction can temperature make? Read more
Chem_p027
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision may be needed when working with hot water solutions.
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 Isn't it nice to take a nice, hot shower or bath after a long day of playing outside? But have you really thought about how the hot water in your shower or bath gets hot? Sure, the water heater in your house gets it hot, but what makes the water heater work? Water heaters are powered by natural gas or electricity. But are there any other ways to heat water? What about using the Sun? In this science fair project, you'll give it a try by capturing energy from the Sun to heat water. Read more
Energy_p033
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($40 - $80)
Safety Adult supervision is recommended when using scissors.
Science Fair Project Idea
thumbnail Oil spills devastate wildlife and our precious water resources. In this science project, you'll test the absorptivity of different materials (sorbents) to discover which ones are best at removing oil from water. Read more
EnvEng_p025
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Wear eye protection and gloves when preparing coconut husks. Adult supervision required when cutting sorbents with scissors or cracking coconuts with hammers.
Science Fair Project Idea
thumbnail Have you ever left your bike outside in the rain? If so, you might have discovered unpleasant surprises afterwards—reddish-brown patches, known as rust, and your wheels, brakes, and gears might have stopped working so smoothly. In this chemistry science fair project, you'll learn why rust, a type of corrosion, is a serious problem. You'll also discover that not all rains are the same! Find out which ones can speed up the rusting process. Read more
Chem_p079
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Wear gloves to avoid steel wool splinters.
Science Fair Project Idea
thumbnail What do humans need to survive? We need food, water, and warm shelter. We all need a warm place to live, particularly when it's chilly outside. How do many of us warm our houses or apartments? We depend on fossil fuels to supply gas and electricity to our heaters. But burning fossil fuels to create energy is harmful to the environment. What if there was a way to warm our homes without burning fossil fuels and it was free? In this science fair project, you will build a solar air heater and see… Read more
EnvEng_p028
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety You need to cut cardboard for this project and use paint. Always exercise caution when using a sharp knife and scissors. Paint in an area with good ventilation.
Science Fair Project Idea
thumbnail The clothes you wear are made of fibers that come from many different sources. Some fabrics are made from natural fibers, and some from manufactured or totally synthetic fibers. In this science fair project, you will explore how different fiber types react with dye. Are you dye-ing to find out which works best? Read more
Chem_p019
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items: fiber-reactive dye and soda ash are necessary. See the Materials and Equipment list for more details.
Cost Low ($20 - $50)
Safety Safety goggles and rubber gloves are needed for some steps. See the Procedure for more details. Additionally, items that come in contact with soda ash should not be used with food afterward. See the Materials for more details.
Science Fair Project Idea
thumbnail Does your skin get dry? Or do you know someone with dry skin? Dry skin can be a real medical problem for some people. You may have seen many kinds of lotions, creams, and ointments advertised as restorative for dry skin, especially dry hands. But how well do they work? And which ingredients are most important in making them work? In this science project, you will create a model of human skin using JELL-O® and test how well skin moisturizing products with different ingredients keep the… Read more
BioMed_p015
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability You will need to purchase petri dishes online. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Adult supervision is recommended for using the stove.
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