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Science Fair Project Idea
thumbnail Which type of orange juice has the most vitamin C? In this science project, you will learn how to measure the amount of vitamin C in a solution using an iodine titration method. You will compare the amount of vitamin C in three different types of orange juice: homemade, premium not-from-concentrate, and orange juice made from frozen concentrate. Which do you think will have the most vitamin C? Read more
Chem_p044
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Time Required Average (6-10 days)
Material Availability Titration equipment and supplies are needed. A kit is available from the [# Link Name="Chem_p044.7" Value="HtmlAnchor" #]. See the Materials tab for details.
Cost High ($100 - $150)
Safety Adult supervision required. Concentrated iodine is poisonous if swallowed. Read and follow all safety guidelines in the Procedure. More information is available from the iodine [# Link Name="Chem_p044.1" Value="HtmlAnchor" HtmlText="Materials Safety Data Sheet" #].
Science Fair Project Idea
thumbnail You might know that we are able to get free energy from the Sun, the wind, and water, but did you know we can get free energy from Earth itself? The temperature inside of Earth can reach 9,000°F—that kind of heat can be used to make a lot of energy here on the surface! This source of energy is called geothermal energy and it is all about taking advantage of the heat within Earth. So try this science fair project out and find out how to use the heat that lies beneath your feet! Read more
Energy_p023
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety You will be working with a hot stove top. Please exercise caution when working with hot surfaces and with steam. Steam can cause painful burns.
Science Fair Project Idea
thumbnail Do you realize that you are constantly bombarded by particles? You do not feel them, you cannot see, hear, or smell them, but they are always there! These particles — collectively called background radiation — might even travel through you without ever interacting with the molecules in your body. In this science project, you will build your own cloud chamber to prove the existence of background radiation. You will then use your cloud chamber to determine if the background… Read more
Phys_p087
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Time Required Short (2-5 days)
Prerequisites This project requires patience and the ability to sit still and make small scale observations for 20 minutes.
Material Availability Readily available
Cost Low ($20 - $50)
Safety Do not use isopropyl alcohol near an open flame or anything hot.

Dry ice is cold and can damage your skin. Wear protective gloves when handling it.
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 a copper test kit online. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety Adult supervision is recommended.
Science Fair Project Idea
thumbnail Many materials expand when heated and contract when cooled. What do you think will happen to the elasticity (stretchiness) of a rubber band when it is heated or cooled to various temperatures? Read more
ApMech_p026
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This project requires some specialty items. They can all be purchased online, or you may be able to borrow them from school. See the Materials and Equipment section below for details.
Cost Low ($20 - $50)
Safety Adult supervision is required for heating and pouring boiling water.
Science Fair Project Idea
thumbnail Here is a riddle for you: what kind of rock grows? The answer is: rock candy! This delicious candy is actually crystallized sugar and you can "grow" it from a sugar-water solution. In this science fair project you'll learn how to grow your very own rock candy and determine if using seed crystals changes the growth rate of your sugar crystals. Read more
FoodSci_p005
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety This science fair project requires adult help. The boiling sugar solution is extremely hot.
Science Fair Project Idea
thumbnail Piezoelectric barbecue fire starters work by creating a spark that ignites the volatile lighter fluid, which then starts the charcoal burning. They are low current, high voltage devices. How high does the voltage have to get to make a spark in air? This project shows you a way to find out by with an inexpensive experimental setup to measure the distance that the spark can travel between two spherical electrodes. Read more
Elec_p032
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision recommended
Science Fair Project Idea
thumbnail Solar cells are popping up on rooftops everywhere these days and are a model for clean, renewable energy. Did you ever look at those solar panels and wonder how we can get electricity produced by solar cells when the sun is not shining? It is a great question because solar panels do not produce electricity when it is dark outside. One strategy to overcome this challenge is to store the energy produced by solar cells during the day in the form of a fuel that can be used at a later time. In… Read more
Chem_p099
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Time Required Average (6-10 days)
Prerequisites Completion of a basic chemistry class is recommended before trying this science project. You should also know something about circuits, or use the [# ProjectGuide Name="Advanced.ElectronicsPrimerIntroduction" Value="HtmlAnchor" HtmlText="Science Buddies Electronics Primer" #].
Material Availability A number of specialty items are required. For your convenience, a Science Buddies Kit is available for purchase.
Cost Very High (over $150)
Safety Adult supervision is recommended. Use caution when connecting the four 9V batteries. Ensure that the wires/connectors do not come in contact with each other to cause a short or the batteries will become VERY hot and can possibly cause burns. Cobalt nitrate can cause skin and eye irritation. It is recommended to wear disposable gloves when handling cobalt nitrate.
Science Fair Project Idea
thumbnail Did you know that your body needs a certain amount of iron in order to stay healthy? Iron is an essential part of the hemoglobin complex in your blood, which carries oxygen from your lungs to the rest of your body. It is also involved in many other biochemical processes in your body. Iron can be found in much of what you consume each day. In this chemistry science fair project, you will use a simple test kit that produces an orange-colored chemical in the presence of iron in a solution. The kit… Read more
Chem_p089
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Time Required Average (6-10 days)
Prerequisites You should be enrolled in or already have taken an introductory chemistry class.
Material Availability You can order an iron test kit online. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety The chemicals in the test kit could cause irritation if not handled properly. Be sure to wear safety goggles and gloves when working with chemicals. Adult supervision is recommended.
Science Fair Project Idea
thumbnail Cars that can drive themselves might sound like science-fiction, but they are a reality. Self-driving cars are cars that use sensors and computer programs to automatically drive on roads, without intervention from a human driver. However, the cars still have to follow all the same rules of the road as human drivers, including staying in the correct lane, obeying road signs and traffic lights, and avoiding obstacles like potholes or fallen tree limbs. In this project you will build a simplified… Read more
Robotics_p023
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Time Required Average (6-10 days)
Prerequisites While no previous electronics or robotics experience is required to do this project, it will be helpful if you are familiar with basic circuit concepts and with using a breadboard. The Bibliography section in the Background tab has many tutorials you can use to get started.
Material Availability This project requires specific circuit components from an electronics vendor. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
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