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Science Fair Project Idea
Want to send coded messages to your friends? Can you write a simple letter-substitution encryption program in JavaScript? How easy is it to break the simple code? Can you write a second program that "cracks" the letter-substitution code? Investigate other encryption schemes. What types of encryption are least vulnerable to attack? Read more
CompSci_p031
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Time Required Long (2-4 weeks)
Science Fair Project Idea
Some sequences of RNA can catalyze biochemical reactions, much like protein enzymes. These catalytic RNA sequences are called ribozymes. The function of a ribozyme depends upon the primary sequence of the RNA which folds into a 3-D structure. How do different ribozyme sequences fold? You can search for ribozyme sequences using Entrez BLAST (NCBI, 2006). Then you can use a program like MFOLD () to submit your sequence for an analysis of its predicted 3-D structures based upon thermodynamics… Read more
BioChem_p023
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Time Required Very Long (1+ months)
Prerequisites Advanced biology course, or willingness to read up on such topics extensively.
Material Availability A computer with Internet access is necessary for this project.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Gluten is the substance in bread which, on a microscopic level, forms a rigid structure that traps the gases from the yeast, allowing the dough to rise. However, too much of the rigid gluten structure can make some doughs, like pie crust and pastry dough, too tough. For this reason, bakers often use different types of flour that naturally contain different amounts of gluten to make various types of dough. Do some background research about what gluten is, how it forms, and its role in baking.… Read more
FoodSci_p020
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever had to take prescription medicine to get over an illness? To get better, it is important to take the medication in the proper manner and at the proper time. Wouldn't it be cool if there were a tool or piece of automated equipment that held your medicine and reminded you to take it? A tool that would know when you picked up the bottle and took your medicine? Building a smart medicine cabinet is what this science project is all about! Read more
Elec_p067
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Time Required Short (2-5 days)
Prerequisites None
Material Availability If you decide to extend the sensor project, you will have to purchase a [# ProjectGuide Name="ProjectGuide.Robotics.Arduino" Value="HtmlAnchor" HtmlText="microcontroller" #] board and LEDs.
Cost Average ($50 - $100)
Safety Always wear safety goggles when operating and using tools. Adult supervision is recommended.
Science Fair Project Idea
Unlocking the three-dimensional structure of a protein is crucial to help scientists understand how it functions in our bodies and how it can cause devastating diseases if it becomes disrupted or interacts in the wrong way. However, figuring out the structure of a protein in three-dimensional space can be very challenging. Proteins are the functional units of our cells, and every protein is made up of a long chain of amino acids. Amino acids come in different shapes and sizes, and they have… Read more
BioMed_p008
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Time Required Long (2-4 weeks)
Prerequisites Understanding of what proteins are.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Did you know that you can make a simple hygrometer (a device for measuring the relative humidity of the air) with hair? This type of hygrometer is easy to build (for instructions, see: ). Does the type of hair used in the hygrometer affect the accuracy of the results? Do some types of hair respond faster than others? Do some types of hair give a larger (or smaller) response? You could get hair samples from classmates, or a local beauty shop. Use hair samples of equal length to construct… Read more
MatlSci_p035
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Time Required Short (2-5 days)
Science Fair Project Idea
Invasive species are organisms (either plant or animal) that have been introduced into a new, non-native area and spread rapidly in the new environment due to a lack of regulation by predators. Frequently, invasive species will out-compete native species for resources which can put native species at risk. This is an especially big problem for threatened habitat and endangered species, which are already at risk. Survey your area to document cases of invasive species invading a local… Read more
EnvSci_p029
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Time Required Very Long (1+ months)
Science Fair Project Idea
Do your parents like to garden? Then you might have a beautiful lawn surrounded by flowers, or a vegetable garden. Humans have been introducing plants to our landscapes for centuries, which has dramatically altered the natural habitat of many environments. Chances are, the landscape you live in is not a natural landscape. One movement is to restore these habitats by re-introducing native plants. Conduct a survey in your area looking for native and non-native plant species. You can take… Read more
EnvSci_p030
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Time Required Long (2-4 weeks)
Science Fair Project Idea
In order to study individual biochemical compounds like proteins, DNA, or RNA, biochemists need to know how to purify these components from a complex mixture. This is especially important for biotechnology and pharmaceutical industries, which sell purified biochemicals as reagents or drugs to consumers. Do an experiment to purify DNA, RNA, or protein from a complex mixture (for purifying DNA, see the Science Buddies project ). The source of the material can be a cell line, bacterial culture,… Read more
BioChem_p026
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Time Required Average (6-10 days)
Material Availability Most items are readily available; any specialty items needed can be ordered from [# ProjectGuide Name="Advanced.ApprovedSuppliers" Value="HtmlAnchor" HtmlText="online vendors" #].
Cost Average ($50 - $100)
Safety If bacteria or cell lines are used as the source of material for purification, [# ProjectGuide Name="Advanced.ScientificReviewCommitteeSRC" Value="HtmlAnchor" HtmlText="SRC approval" #] may be necessary. Adult supervision is recommended.
Science Fair Project Idea
Soil may look like a bunch of dirt, but good quality soil is actually a complex mixture of dirt, nutrients, microorganisms, insects and worms. What type of benefit do these microorganisms offer a growing plant? You can test this by baking soil in the oven to sterilize and kill the microorganisms. Do plants grown in sterile soil do better than plants in unsterilized soil? What about adding worms to one plant, but not to the other. Will the plant with worms grow better? Some insects are bad… Read more
PlantBio_p031
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Time Required Very Long (1+ months)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is required when using the oven. Use caution when handling and disposing of mold. Treat molds according to the same safety rules as outlined for bacteria in the [# ProjectGuide Name="Advanced.MicroorganismsSafetyGuide" Value="HtmlAnchor" HtmlShortTitle="true" #].
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