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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 Science Buddies Store.
Cost Very Low (under $20)
Safety Adult supervision required. Do not mix strong acids and bases.
Science Fair Project Idea
thumbnail Chemicals from Earth's atmosphere are making their way down to the planet! Not in spaceships, but in rain. The acid rain can infiltrate ground water, lakes, and streams. How does acid rain affect aquatic ecosystems? Read more
EnvSci_p016
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Time Required Average (6-10 days)
Prerequisites None.
Material Availability Items will need to be special ordered. See the Materials and Equipment section for more details.
Cost Average ($50 - $100)
Safety No hazards.
Science Fair Project Idea
thumbnail Are all reds the same? Find out in this science fair project! Investigate if the pigments in one type of red flower are different from those in another type of red flower. Flowers contain an assortment of amazing chemicals that produce color. In this plant biology science fair project, you will analyze the colored pigments in different plants' red flower petals using paper chromatography, and compare the pigments in the different flowers. Read more
PlantBio_p035
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Filter paper can be purchased from the [# Link Name="PlantBio_p035.1" Value="HtmlAnchor" #].
Cost Low ($20 - $50)
Safety You will be working with isopropyl alcohol. Adult supervision is recommended
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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- Less Details
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
You're probably familiar with sauerkraut, a German dish of cabbage that is fermented in a brine made of its own juice and salt. Have you heard of another cabbage dish, called kimchi? Kimchi is a traditional fermented cabbage dish from Korea. Koreans eat kimchi year round, enjoying its spicy taste and the fact that it contains loads of vitamins B and C. In this cooking and food science fair project, you will make kimchi from scratch and investigate changes in pH and glucose as the kimchi… Read more
FoodSci_p051
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability Specialty items: To obtain traditional Korean spices, you might have to go to an Asian market. But you can use commonly available substitutes, if desired.
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
thumbnail If you have ever prepared a cup of coffee or tea with sugar, you have probably seen that the grains of sugar quickly dissolve and completely disappear in hot water. But sugar is not the only type of solid that can readily dissolve in a liquid. In fact, there are some types of rocks that can be dissolved by common liquids. It might be hard to imagine large, hard rocks being eaten away by some ordinary fluids, right? But it actually happens all the time! In this geology science project, you will… Read more
Geo_p047
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Small limestone rocks are needed to do this science project. See the Materials and Equipment list for details. Note: The listed time required to do this science project includes shipping time.
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
Pennies are bright and shiny when they're new, but become quite dull with time. What causes such a drastic change? Oxygen in the air combines with the copper in the penny to form copper oxide, which makes the penny look dull and dingy. You can make the pennies look like new again by soaking them in an acidic solution, like vinegar. Vinegar dissolves the copper oxide, making the pennies look like new. It turns out, however, that the same process that makes the pennies shiny has bad consequences… Read more
Chem_p090
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Time Required Average (6-10 days)
Prerequisites None
Material Availability You will need to order copper test kits online. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety Adult supervision is recommended.
Science Fair Project Idea
thumbnail You know that sugar makes food sweet. But did you know that there are different kinds of sugar? Sucrose is the granulated sugar that you usually use for baking. Another kind of sugar, which is found in honey and in many fruits, is glucose. In this science fair project, you will measure the concentration of glucose in a variety of foods. You will use special strips that change color in response to glucose, to measure the glucose concentration in different foods. Read more
FoodSci_p049
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available.
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
thumbnail Everyone loves the beautiful colors of fall, but where do they come from and how does the change in colors happen? In this project, you will uncover the hidden colors of fall by separating plant pigments with paper chromatography. What colors will you see? Read more
PlantBio_p032
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- Less Details
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 Everybody knows that your body needs oxygen to keep going, and that you breathe out carbon dioxide as waste. What happens when you exercise? You've probably noticed that you breathe faster, and your heart beats faster. What triggers your body to respond in this way? How does it "rev up" to keep your muscles going? Here's a project that gives you a peek into the fascinating science of exercise physiology. Read more
Zoo_p013
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- Less Details
Time Required Average (6-10 days)
Prerequisites Interest in exercise physiology; the deeper your knowledge of acid-base reactions, the futher you can take this project
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult assistance recommended for construction and setup of respirometer and data collection
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