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Science Fair Project Ideas

Cutting Edge Areas
Science Buddies Original
Science Fair Project Idea
Have you ever mixed together salt and sand? It is fun to see how all of those tiny grains of salt and sand mix together! But what if you had to separate them out again? Do you have nightmares of tiny tweezers, a magnifying glass, and hours spent picking grains of salt and sand apart? Do not be afraid, there is another way! In this chemistry science project you will use the differences in solubility between salt and sand to find out the simple "solution" to this problem. Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites none
Material Availability Readily available
Cost Very Low (under $20)
Safety This science project requires adult supervision. Be careful and have adult supervision when using the stove and oven, and handling the boiling water
Science Buddies Original
Science Fair Project Idea
Sometimes science can be really messy or use pretty disgusting ingredients. That is what it takes to understand how the world works, even if the experiment isn't pretty. Do you like chemical reactions that stink and ooze foamy bubbles? Do you think it sounds fun to make a super gross liver smoothie? Then this is the experiment for you! Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites none
Material Availability Readily available
Cost Very Low (under $20)
Safety Use caution when handling the sharp knife and the blender. An adult may need to assist with these steps. Also completely disinfect any surface that the raw liver touches.
Science Buddies Original
Science Fair Project Idea
Do you ever wonder how markers are made? Where do all of those colors come from? Many of the colorful dyes we use come from plants. Could you create vibrant colored natural dyes? Could you turn these dyes into art supplies? You can! In this science project, become a scientist and engineer and make your own marker using homemade plant dye! Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability For your convenience a kit is available from our partner Home Science Tools.
Cost Low ($20 - $50)
Safety Adult supervisions is required while using the stove, hot water, and cutting knife.
Science Buddies Original
Science Fair Project Idea
This experiment is for all the kids out there who love boiled cabbage! You say you do not like cabbage? Well maybe you will like this amazing color-changing liquid you can make with cabbage. Which solutions around your house can make the cabbage juice change color? Find out while you learn about acids and bases and how to test for them. Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites none
Material Availability Readily available
Cost Very Low (under $20)
Safety Requires adult supervision—some household solutions can be poisonous when mixed together or swallowed.
Science Buddies Original
Science Fair Project Idea
Have you ever wondered how fun toys like Silly Putty®, Gak™, and Slime™ are made? These products are so much fun because of the properties of polymers, which make them delightfully bouncy, stretchy, sticky, moldable, breakable, hard, soft, and just plain fun! In this science project you can be the developer of your own slime product by changing the amount of a key ingredient. By observing the physical properties of your results, you can choose the best recipe for your new… Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Supervision required for small children. The slime is not edible.
Science Buddies Original
Science Fair Project Idea
Solar cells provide a clean way of making electricity directly from sunlight. In this project you will build a simple circuit and experimental setup to investigate whether the power output of a solar cell changes with ambient temperature. Read more
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- Less Details
Time Required Short (2-5 days)
Tinkering
Prerequisites You must know or must learn how to use a voltmeter or multimeter.
Material Availability Specialty item: digital thermometer with probe
Cost Average ($50 - $100)
Safety No issues
Science Buddies Original
Science Fair Project Idea
How fast are computers? How quickly do you think they can do 100 million arithmetic problems? Try this science project to discover an easy way to measure how fast computers have become and whether or not your computer is a math whiz. Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Requires computer with web and Internet access. Optional procedures require C compiler or Python 3.
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
This is a modern version of a classic experiment by Robert Boyle on the compressibility of gases. Boyle discovered the relationship between pressure and volume of gases that now bears his name. This project shows you a simple method for re-creating this famous experiment. Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Specialty items
Cost Very Low (under $20)
Safety Minor injury possible: be careful when stacking bricks on syringe apparatus.
Science Buddies Original
Science Fair Project Idea
Did you know that when you dip your finger in water and pull it out, the water is actually pulling back on you? Here's a way you can measure how much. Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites Basic physics: understanding of the concept of a force
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
Does talking on a cell phone make one a more dangerous driver? Here is an experiment you can do to investigate whether reaction time is adversely affected by a simultaneous phone conversation. Read more
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- Less Details
Time Required Average (6-10 days)
Tinkering
Prerequisites None
Material Availability Readily available. You will need a cell phone with hands-free operation capability.
Cost Very Low (under $20)
Safety No issues
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Free science fair projects.