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Science Fair Project Idea
Do you dream about making deep, undersea voyages? Let this project take you 20,000 leagues under the sea! Investigate how submarines dive and surface by changing their buoyancy in this fun project. Read more
Aero_p034
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Have an adult help you when using the razor blade or knife, as well as the drill. Always wear safety goggles when working with power tools. If you are performing the experiment in a pool, be sure to have an adult with you at all times.
Science Fair Project Idea
This science project presents an interesting puzzle. A disk of wood will float face-up; that is, with its circular cross-section parallel to the surface of the water. A long log of wood, however, floats on its side with the circular cross-section perpendicular to the surface of the water. If you think about it, disks and logs are both cylinders. Is there some intermediate length of cylinder that floats with the circular cross-section at a tilted angle? Try this experiment to find out! Read more
Aero_p021
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision is recommended when using the wood saw. Always wear safety goggles when working with tools.
Science Fair Project Idea
Have you ever wondered how a ship made of steel can float? Or better yet, how can a steel ship carry a heavy load without sinking? In this science project you will make little "boats" out of aluminum foil to investigate how their size and shape affects much weight they can carry and how this relates to the density of water. Read more
Aero_p020
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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
Sailboats, tugboats, barges, ocean liners, submarines are all different boats with different shapes. How does the shape of a boat's hull affect how easily it moves through the water? This project shows you how you can investigate this question using a homemade water trough and model boat hulls. Read more
Aero_p019
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety Adult supervision recommended
Science Fair Project Idea
Who'd have thought that drinking milk can lead to a pretty cool boat? Boat design is an important and active area of engineering. In this science fair project, which was inspired by a PBS DragonflyTV episode, you will design and build different kinds of model boats out of milk cartons. Examples of the types of designs you might test include a raft, a catamaran, and a V-shaped hull. Once the model boats are built, you will test key features, such as stability, maneuverability, and their ability… Read more
Aero_p037
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- Less Details
Time Required Short (2-5 days)
Prerequisites For this science project, you will need access to a shallow beach or pool where the boats can be safely tested.
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision is required when the boats are tested in the water. Wear life jackets if you plan to get into the water. Don't go too far away from shore.
Science Fair Project Idea
What are some of the ways we keep track of time? We have alarm clocks, wristwatches, and cell-phone clocks, to name a few. Just a few hundred years ago, our ancestors did not have any of these conveniences, yet they found ways to tell time. How? By using devices such as water clocks. In this science project, you will follow in the footsteps of early engineers and build a water clock that tracks time for three hours. Read more
ApMech_p047
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability You will need to purchase a ring stand or build a stand to hold the water clock. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Use caution when using tools like hacksaws and hammers. Adult supervision is required.
Science Fair Project Idea
What keeps a submarine from spinning out of control? In this science project, you can investigate how submarines use stabilizing fins to move forward. You might even figure out the secrets to maneuvering a submarine! Read more
Aero_p035
+ More Details
- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Have an adult help you when using the razor blade or knife, as well as the drill. Always wear safety goggles when working with power tools. If you are performing the experiment in a pool, be sure to have an adult with you at all times.
Science Fair Project Idea
How do you like your mashed potatoes? Thin and whipped smooth? Or thick and mashed into chunks? Your mouth checks out not just the taste of your food, but its viscosity, or how it flows on your tongue, every time you take a bite! In this science fair project, you'll learn what viscosity is, and how to measure it in common liquids around your home. Read more
Chem_p055
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability The graduated cylinder must be ordered from a science supply store.
Cost Low ($20 - $50)
Safety You should only test non-toxic, non-flammable, and non-volatile liquids. Adult supervision is recommended.
Science Fair Project Idea
The movement of satellites is intriguing, but how do they orbit the way they do? Aerospace engineers run calculations and set up computer models to help them predict how satellites move in space, but in this astronomy science project, you will create a physical model with marbles, clay, and a cookie sheet to help you study how satellites move in space and learn from your observations. Read more
Astro_p041
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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
Science Fair Project Idea
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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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($40 - $80)
Safety Adult supervision is recommended when using scissors.
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