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Project Idea
thumbnail Have you ever been to the Grand Canyon and seen what water can do over millions of years? When you turn on the faucet, do you see water come out, or mud? In this experiment you'll find out how engineers help prevent erosion, which keeps dirt out of our water. Read more
EnvEng_p024
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Project Idea
thumbnail Have you ever wondered why a plant that grows well in one environment may not survive in a different environment? For example, plants that grow well in a wet jungle would probably not do so well in a dry desert, lacking enough water. This is because plants have adapted to their specific environment. Some plants have even adapted to tolerate chemicals that would usually be toxic, such as various heavy metals. In this plant biology science project, you will investigate whether different… Read more
PlantBio_p047
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability The Arabidopsis thaliana seeds for this science project need to be specially ordered in advance with the help of a parent or teacher. See the Materials and Equipment list for details.
Cost High ($100 - $150)
Safety Take all proper safety precautions when working with the heavy metals. Wear gloves. You may need additional protection, such as goggles.
Project Idea
When you step in mud it can be very messy! How can you tell if soil is wet or dry before you step in it? In this experiment, you can see if color can help you figure it out. Read more
Geo_p011
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Project Idea
Did you know that you can use more water on your lawn and garden in the summer than you use for all other purposes all year long? If you have an automated sprinkler system for your lawn and/or garden, this project could save money on your family's monthly water bill. You'll also be helping to conserve a precious natural resource: clean water. Read more
EnvEng_p010
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Time Required Long (2-4 weeks)
Prerequisites Automated sprinkler system
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Project Idea
thumbnail Interested in helping the environment, and don't mind getting dirty? In this project you get to mix it up with earthworms, soil, and various types of organic kitchen scraps. The basic idea is to set up small earthworm colonies to compost different types of food waste. You test the soils in each type to see how diet affects both the earthworm population and the nutrients they put back into the soil. This project takes a little time, but it's worth it. You'll help the environment and learn… Read more
EnvSci_p041
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Time Required Very Long (1+ months)
Prerequisites None
Cost Average ($50 - $100)
Safety No issues
Project Idea
thumbnail When you think of environmental challenges facing the world, the first things that come to mind might be global warming, or loss of biodiversity, since these are often in the newspapers. A serious problem that you may not have heard about is soil erosion. Why is soil so important? What is the danger of erosion? How can we measure soil erosion? What can be done to prevent it? Check out this project and you can start finding answers. Read more
EnvSci_p012
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Minor injury possible
Project Idea
thumbnail Have you ever stood close to a fossilized T. rex skull and counted its razor-sharp teeth? Or, have you seen a fossilized stegosaurus skeleton and thought about how it defended itself with tail spikes and armored plates? A trip to a natural history museum letss you imagine what dinosaurs looked like and wonder what life with them on Earth was like. Fossils give us information about animals and plants that lived long ago. Certain places around the world contain more fossils than others. Why?… Read more
Geo_p046
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Time Required Short (2-5 days)
Prerequisites None.
Material Availability Readily available.
Cost Low ($20 - $50)
Safety This project uses plaster of Paris. Read and follow the safety instructions on the packaging, including wearing gloves and avoiding breathing in the dust. Adult supervision is required.
Project Idea
thumbnail Have you ever looked up at a skyscraper and thought "That is so cool!"? Building a skyscraper, or any structure, is more than just building the walls, windows, and floors. All structures require a foundation to keep them from falling down. This is especially important when a structure is built on a hill or on a slope. In this science project, you will build a tower of Lego® Duplos® on slopes with different angles. You will investigate how deep you have to dig the foundation for each angle of… Read more
CE_p022
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision recommended when using the hacksaw. Be sure to wear safety goggles and use caution when using the hacksaw.
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.
Project Idea
thumbnail Have you ever had fun playing with sand and water, observing how little rivers you create carve their way down to the lowest point of the sandbox, backyard or beach? Some meander, others braid, and some carve a path straight down. Hyrdologists (or scientists who study water) do very much the same thing! Only they set up the model in a particular way, so observing their mini-rivers helps them answer questions about how water flow affects the environment.In this geology science project, you… Read more
Geo_p045
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Time Required Very Short (≤ 1 day)
Prerequisites None.
Material Availability Readily available. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Adult help is required to cut the water or milk jugs.
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