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Science Fair Project Idea
thumbnail You have probably heard the saying that "water and electricity don't mix." Well, in this chemistry science fair project you will mix them, to create two solutions, one basic and one acidic. The apparatus is very simple, but the chemistry is complex and offers many avenues for exploration. Read more
Chem_p087
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Time Required Average (6-10 days)
Prerequisites You should know what the pH scale is, and what current and voltage measure in a circuit.
Material Availability A pH meter is required for this project. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Minor injury is possible. Be careful not to short out the battery, as it may get very hot.
Science Fair Project Idea
thumbnail Here is an interesting project that could be approached from several different scientific angles: Environmental Science, Weather & Atmosphere, Chemistry, or Plant Biology. You can probably think of your own variations to emphasize the scientific area that most interests you. Read more
EnvSci_p015
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Time Required Very Long (1+ months)
Prerequisites Must be familiar with titration or be able to learn how titration is used in this experiment
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
thumbnail Do you hate shots? Do you complain about paper cuts? Imagine if you had to give yourself shots a couple of times a day, as well as prick your finger, on purpose, even more frequently. Of course, if you have diabetes you do not have to imagine this; it is your reality. People who have diabetes usually need to keep close track of how much sugar is in their blood (called their blood glucose levels)by testing a drop of blood from a finger prick. If there is too much sugar in their blood, some… Read more
HumBio_p040
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Time Required Average (6-10 days)
Prerequisites Some familiarity with electronic circuits and using breadboards would be helpful, though it is not required for this project. Completion of a basic chemistry class is also recommended before trying this project.
Material Availability A pump and other electronics parts must be specially ordered to do this project. See the Materials and Equipment list for details. Estimated project time includes shipping of specialty components.
Cost Average ($40 - $80)
Safety Some parts of the circuit can get warm during normal operation. Do not leave the circuit operating when unattended. Be very careful with your wiring to prevent short circuits from happening; short circuits can get very hot and cause plastic parts of the circuit to melt.
Science Fair Project Idea
Plants need nitrogen to build proteins and nucleic acids to grow healthy stems and leaves. Though the Earth's atmosphere is made up of 79% nitrogen, the form of nitrogen found in the atmosphere cannot be used by plants. In this experiment, you will compare plants grown without nitrogen fertilizer to plants grown with nitrogen fertilizer. Read more
PlantBio_p012
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision recommended during preparation of nitrogen fertilizer solution
Science Fair Project Idea
thumbnail Soap comes in many varieties and forms—from bars to bottles to boxes. The uses for soaps are just as expansive—from cleaning our hands, hair, and faces to a variety of household cleaning jobs, such as dishes or laundry. One thing all these different soaps have in common is their chemical origin; they were all made by mixing fat or oil with a strongly basic solution, such as lye. In this chemistry science project, you will carry out the chemical steps needed to transform coconut oil… Read more
Chem_p096
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Time Required Average (6-10 days)
Prerequisites This procedure should be done in a chemistry lab with adult supervision.
Material Availability Some specialty items are needed; see the Materials and Equipment list for details.
Cost High ($100 - $150)
Safety Minor injury is possible. This procedure requires use of sodium hydroxide solution. Sodium hydroxide can burn skin and eyes. See the Experimental Procedure for important cautionary notes. Adult supervision is required.
Science Fair Project Idea
thumbnail On a hot summer day, don't you just love opening a can of your favorite soda pop and taking a deep drink? The bubbles in the soda tickle your tongue's taste buds and propel the ingredients to your palate and nose so that you get a kick of flavor. But how do the bubbles, fizz, and taste get into the water? In this cooking and food science project, you will work with baking soda, citric acid, and sugar to create a your own soda pop. Once you develop your recipe, try it out on your friends and… Read more
FoodSci_p070
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Time Required Average (6-10 days)
Prerequisites None
Material Availability You will need to purchase citric acid at a specialty store or online. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
thumbnail Some chemical reactions occur explosively fast, others may occur almost imperceptibly s-l-o-w-l-y. This project explores what effect the particle size of the reactants has on the speed of a chemical reaction: production of carbon dioxide gas by an Alka-Seltzer® tablet. Read more
Chem_p028
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision recommended when working with hot water solutions
Science Fair Project Idea
thumbnail This is a simple "kitchen chemistry" project about acid/base chemistry. Scientists measure the acidity or alkalinity of a solution using a logarithmic scale called the pH scale. In this project you'll learn about the pH scale, and you'll make your own pH indicator paper using a pH-sensitive dye that you'll extract from red cabbage. You can use your pH paper to measure the acidity/alkalinity of various household solutions. Read more
Chem_p041
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Lab filter paper can be purchased from the [# Link Name="PlantBio_p035.1" Value="HtmlAnchor" #].
Cost Very Low (under $20)
Safety Adult supervision required. Do not mix strong acids and bases.
Science Fair Project Idea
thumbnail In this biology science fair project, you will observe how the Physarum polycephalum (P. polycephalum) organism responds to various amounts of glucose. P. polycephalum is easy to grow in a petri dish and responds in complex ways to its environment. Will it grow toward the chemical as it looks for a meal, or will it flee, trying to avoid further contact? Try this science fair project to learn more about chemotaxis in the fascinating Physarum polycephalum. Read more
MicroBio_p028
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Time Required Long (2-4 weeks)
Prerequisites An introductory course in chemistry would be useful.
Material Availability You will need to order the "Chemotaxis in Physarum" kit online; see the Materials and Equipment list for details. This item may have to be ordered by your teacher.
Cost Average ($50 - $100)
Safety Be careful working with sharp blades. Adult supervision is recommended.
Science Fair Project Idea
thumbnail What do pizza, milk shakes, and ice cream sundaes have in common, besides being delicious and loaded with calories? You might be surprised to learn that these foods, because they contain dairy products, cannot be eaten by the majority of people around the world. Dairy products contain the sugar molecule lactose, and the majority of people on the planet slowly begin to lose the ability to digest lactose after the age of 2. In this human biology and health science fair project, you will… Read more
BioChem_p031
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability If lactase drops are not available in your local drug store or grocery store you will need to order them online. See the Materials & Equipment section for more details.
Cost Average ($50 - $100)
Safety No issues
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