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Science Fair Project Idea
thumbnail Batteries are expensive, but you can make one for exactly 24 cents! In this experiment, you will make your own voltaic pile using pennies and nickels. How many coins in the pile will make the most electricity? Read more
Energy_p015
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever looked through a magnifying lens? Why do things look bigger when you look at them through the magnifying lens? Even though the object appears to get larger, it really stays the same size. Each lens has its own unique power of magnification, which can be measured with a ruler. How powerful is your lens? Read more
Phys_p021
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily Available
Cost Very Low (under $20)
Safety No hazards
Science Fair Project Idea
What does the phrase, "Like a breath of fresh air," mean to you? This common phrase can have different meanings: calming, relaxing, invigorating, energizing or CLEAN! After all, you never hear anyone say, "Like a breath of dirty air," do you? Find out how clean the air is in this simple experiment. Read more
EnvSci_p009
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Use caution and have parents with you at test sites with automobile traffic nearby.
Science Fair Project Idea
thumbnail It would be fun to have a friend robot that helps you create art, right? In this project you will create your own Art Bot, a robot with markers for legs that wobbles across a piece of paper, generating markings with its "feet" as it moves. The creature's motion comes from a spinning motor with an off-center weight, which causes the robot to vibrate. You can change the size and location of this weight, which will affect how the robot moves, and change how it draws. Then you get to decide which… Read more
Robotics_p014
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Time Required Short (2-5 days)
Prerequisites None
Material Availability This project requires a DC motor and battery pack in addition to arts and crafts supplies. See the Materials tab for details.
Cost Low ($20 - $50)
Safety Adult supervision required. Glue guns can get very hot and cause burns. The robot's motor and attachments can spin very fast — keep hands and fingers away from the attachments when the motor is spinning.
Science Fair Project Idea
Why is your grandmother always wondering if you are drinking enough milk? Our bones are made out of calcium, a mineral found in milk, and drinking milk can lead to strong healthy bones. What about other animals? What are their bones made of? What kind of bones do they have? Are there animals without bones? Are endoskeletons and exoskeletons made out of the same materials? Read more
Zoo_p010
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No hazards
Science Fair Project Idea
Do you ever say you like to go somewhere, and your friend says, "Yuck, that's for girls!" or "Ewww, that's for boys!" Do this experiment to find out if there are some places that girls like to go more than boys, or vice versa. Read more
Soc_p011
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- Less Details
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 Making your own bubble solution is fun, but sometimes the bubbles don't seem to work as well as the solutions you buy in the store. In this experiment you can test if adding corn syrup or glycerin to your bubble solution will make it just as good as the stuff you can buy. This experiment will have you blowing bubbles! Read more
Chem_p025
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever wondered what a wildlife biologist does? Ronnie and Denise from DragonflyTV found out firsthand when they worked with a local wildlife biologist to take a survey of the fish populations in their local lake. They wanted to determine what the biodiversity (number of different species in a habitat) was like so that they could find out how healthy the lake habitat was. In this science fair project you can take on the role of a wildlife biologist by examining the biodiversity of… Read more
EnvSci_p045
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision needed to make bug vacuum.
Science Fair Project Idea
thumbnail A kaleidoscope is a fun toy that creates amazing images when you look into it. Wouldn't it be fun to create those images yourself? Check out this project to learn how to build your own kaleidoscope and to learn how the inside of a kaleidoscope works. Then you can create and adjust your own amazing, colorful images! Read more
Phys_p095
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Time Required Short (2-5 days)
Prerequisites None
Material Availability This project requires a kaleidoscope-making kit. See the Materials and Equipment list for details.
Cost Very Low (under $20)
Safety Mirrors can have very sharp edges and corners. We recommend a kaleidoscope kit with flexible "safety mirrors" (see the Materials list for details). Adult supervision is still required when assembling the kaleidoscope.
Science Fair Project Idea
thumbnail A day at the beach is a wonderful way to spend time with your family and friends. You can swim, play games, and build sand castles. But have you ever thought about how all of that sand got there and wondered why the shoreline weaves in and out of the ocean? In this science project, you will investigate how ocean waves build beaches by making a model of the beach and shoreline. All you need is a tiny surfer and a beach volleyball court for your model, and you can imagine that you are in… Read more
OceanSci_p011
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
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