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Science Fair Project Idea
thumbnail Here's a riddle for you: What would a latté be without a froth of bubbly milk on top? Answer: Black coffee! And how about a pumpkin pie without the whipped cream? Answer: Sad. Delicious, edible foams are everywhere, from sodas, meringues, and soufflés to mousses and whipped creams. They provide a delicious, spongy contrast to the foods they accompany, and their airiness releases aromas that enhance the eating experience. So, what makes a good foam? One with high volume and lots of… Read more
FoodSci_p057
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability You will need to buy items from a science supply store. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Be sure to wear safety goggles. Wash your hands after handling raw eggs. You should not eat any of the foams you make in your experiment.
Science Fair Project Idea
thumbnail Have you ever heard the expression, "You can't judge a book by its cover"? What do you think that means? That a book with a very plain cover might have a very exciting and interesting story inside? Well, in this geology science project, you'll see if the same expression holds true for a rock, but not just any old rock, a special type of rock called a geode, which looks rather plain and ordinary on the outside, but inside can hold crystals and beautiful colors! You'll discover if the texture or… Read more
Geo_p042
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability You will need to order geodes from a science supply store. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Adult supervision is required.
Science Fair Project Idea
thumbnail Have you ever wondered how a chick breathes inside its shell? Every animal needs oxygen to survive, so the chick must get air somehow! Try this science project to discover the answer. Read more
Zoo_p046
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Thoroughly clean any surface the raw eggs touched because they can carry Salmonella.
Science Fair Project Idea
thumbnail It's hard to imagine a world without paper. You wouldn't have things like books, cards, comics, newspaper, construction paper, notebooks, cereal boxes, or that nice sound of shredding wrapping paper on your birthday. There was a time, though, when the only thing people had to write on were slabs of soft, squishy clay. When these slabs dried in the sun, they preserved simple ideas, but they were heavy, like carrying around a load of rocks. Not exactly easy to put in your pocket and carry around.… Read more
MatlSci_p040
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- Less Details
Time Required Very Long (1+ months)
Prerequisites None
Material Availability You will need to order papyrus paper or papyrus strips for making paper from an online supplier. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Minor injury is possible. Adult supervision is recommended.
Science Fair Project Idea
thumbnail Motors are used in many things you find around your house, like your refrigerator, coffee maker, and even a lawn mower. In this electronics science fair project, you will get to build a simple motor, using a kit, and then test how the number of batteries (amount of voltage) used to power the motor affects its performance. Read more
Elec_p057
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items: You will need a switch motor kit, ready for assembly. See the Materials and Equipment list for details.
Cost High ($100 - $150)
Safety Minor injury is possible, so be sure to wear safety goggles. Adult supervision is recommended.
Science Fair Project Idea
thumbnail "Gross! What is that in the toilet?" But maybe it's not just gross. Did you know there are bacteria that digest organic waste and create electrons? What if there was a way to collect those electrons to power a circuit? In this science fair project, you will make a microbial fuel cell to collect the electrons that the bacteria—anaerobic bacteria—create...only, you'll be using mud, which is much safer to handle than wastewater. If you would like to learn how to reuse and recycle an… Read more
Energy_p026
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Time Required Very Long (1+ months)
Prerequisites You will need to be familiar with the procedures for handling biologically hazardous material. Read the [# ProjectGuide Name="Advanced.MicroorganismsSafetyGuide" Value="HtmlAnchor" HtmlShortTitle="true" #] from the Science Buddies Project Guide to learn more about handling biologically hazardous materials. You also need to have access to a lower-order stream of water or a creek. See the Introduction for an explanation of this type of stream. Try to avoid streams in which the bed is rocky. The benthic mud sample should be from an area that has a thick, rich mud bed.
Material Availability Specialty items required
Cost High ($100 - $150)
Safety Adult supervision is recommended. Be careful when using a hot stove and a drill. Remember to always wear safety goggles when drilling. Exercise caution when working near a stream or creek. Water currents can be stronger than they look.
Science Fair Project Idea
thumbnail Suspension bridges, with their tall towers, long spans, and gracefully curving cables, are beautiful examples of the work of civil engineers. How do the cables and towers carry the load that is on the bridge? Can a suspension bridge carry a greater load than a simple beam bridge? This science project shows you how to find out. Read more
CE_p007
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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 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 Have you ever dyed eggs? Turning eggshells from white into different, dazzling colors can be a lot of fun! To do this, most people buy dye tablets to make different colors in a liquid bath. They then dip the egg into the liquid and wait till it turns the desired color. You can dye eggs in many other ways, and one neat method uses silk ties. Sounds strange to use clothing to dye eggs, right? But it actually works really well! In this science project, you will dye eggs with old or used… Read more
Chem_p103
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is recommended when using scissors and required for using the stove. A well-ventilated stove area, or dust masks, are needed to avoid breathing in vinegar and dye fumes. Do not eat the eggs after dyeing them.
Science Fair Project Idea
thumbnail Do you want to trick friends and visitors with an amazing optical illusion? In this engineering design project you will learn how to build an infinity mirror,with built-in lights that make the mirror look like a deep tunnel with no end. But pick the mirror up and look behind it, and you will see that it is only a couple of inches thick! Read this project to find out not only how this illusion works, but how to design and build your very own infinity mirror from scratch. Read more
Elec_p080
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability This project will require some specialty materials from hardware and arts and craft stores. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety Adult supervision is required when using any sharp cutting tools or power tools to cut plexiglass. Always wear safety glasses or goggles when cutting brittle materials such as plexiglass. Some tools (in particular, hot glue guns and soldering irons) can cause serious burns. Use these carefully and with adult supervision.
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