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Others Like “Solar-powered Chemistry: Study Chemical Reaction Rates in Ultraviolet Beads”

Science Fair Project Idea
The rates of some chemical reactions can actually be increased by adding light. Light sometimes interacts with one or more of the chemicals and provides an "energy boost" that dramatically speeds up a normally slow reaction. In this photochemistry science project, you will experiment with the effect of light on a chemical reaction. The reaction converts iodine, which forms a dark-orange solution, to iodide, which is colorless! Read more
Chem_p095
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Time Required Average (6-10 days)
Prerequisites An introductory chemistry class.
Material Availability You will need basic lab equipment, which can be ordered online. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Gloves and safety goggles are required. Oxalic acid is toxic and an irritant. Avoid breathing oxalic acid dust and avoid contact with skin. Ammonia is an irritant. Iodine is also an irritant and stains clothes and skin. Adult supervision is required.
Science Fair Project Idea
thumbnail You may have seen police investigators on TV spraying a crime scene with a liquid that glows blue if there is any blood present. The chemical that glows in the liquid is called luminol. In this chemistry science fair project, you will investigate what factors make this interesting molecule "light up." Read more
Chem_p078
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Time Required Average (6-10 days)
Prerequisites None
Material Availability You will need to order a special kit for this science fair project. You also need access to a digital camera and a tripod. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Wear latex gloves when handling the chemicals.
Science Fair Project Idea
thumbnail Ultraviolet light can damage DNA molecules. If a cell's DNA repair mechanisms can't keep up with the damage, mutations are the result. As harmful mutations accumulate, the cell eventually dies. How much ultraviolet light is too much for a bacterial cell? Read more
MicroBio_p017
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Time Required Average (6-10 days)
Prerequisites To do this project, you will need access to a laboratory with facilities for culturing bacteria. You should be familiar with sterile technique and proper handling of bacterial cultures.
Material Availability Specialty items
Cost Average ($50 - $100)
Safety Adult supervision required. Read and follow the safety note below on ultraviolet light. Follow standard precautions for handling bacterial cultures.
Science Fair Project Idea
thumbnail Instant cold packs are popular with coaches and parents for treating minor bumps and bruises. The instant cold packs are not pre-cooled—you just squeeze the cold pack and its starts to get cold. So how does it work? In this chemistry science fair project, you will investigate the chemical reaction that occurs in instant cold packs. Read more
Chem_p081
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Time Required Average (6-10 days)
Prerequisites None
Material Availability A few specialty items, including instant cold packs containing ammonium nitrate, are needed.
Cost Average ($50 - $100)
Safety Adult supervision is required. Ammonium nitrate is potentially hazardous, wear gloves and safety goggles when working with it. Avoid contact with skin and eyes.
Science Fair Project Idea
thumbnail Along with its many other interesting properties, water has the ability to absorb a lot of heat energy, while only experiencing a relatively small change in temperature. One way this property affects us directly is that our bodies don't change temperature rapidly on hot or cold days, since we are made up of mostly water. In this chemistry-with-an-electronics-flair science fair project, you will determine how the temperature of a small volume of water changes as you add precise amounts of heat… Read more
Chem_p092
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Time Required Average (6-10 days)
Prerequisites An introductory class in chemistry would be helpful. You should also be familiar with Ohm's law.
Material Availability You will need to order a calorimeter with a heating element online. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Adult supervision is recommended.
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 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
Though the Sun provides heat and light, which are essential for life on Earth, ultraviolet (UV) rays in sunlight can cause damage to DNA. In this science fair project, you will experiment with a strain of yeast that is super-sensitive to UV light. This project will demonstrate the lethal effects of UV light when DNA damage is not repaired. Read more
BioChem_p036
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability You will need to order a UV-sensitive yeast kit online. See the Materials and Equipment list for details. Note: You might have to have the yeast delivered to a school if the company does not deliver to residential addresses.
Cost High ($100 - $150)
Safety Pouring hot agar plates should be done with caution.
Science Fair Project Idea
Everyone has experienced the warmth provided by a shaft of sunlight through a window. In this physics science fair project, you will determine how the color of an object affects the amount of radiant energy that is absorbed. You will then use the Stefan-Boltzmann equation to determine the amount of energy that is absorbed and re-emitted by the different colors. Read more
Phys_p073
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- Less Details
Time Required Short (2-5 days)
Prerequisites You must be familiar with scientific notation.
Material Availability Readily available
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail It's true that the light from the Sun provides the heat and light we need to survive here on Earth, but it also poses a threat. Ultraviolet (UV) rays in sunlight cause damage that can lead to early skin aging and even skin cancer. In this science fair project, find out when you need the most protection from UV rays by using a personal UV monitor to measure how the level of ultraviolet light changes during different parts of the day. Read more
HumBio_p028
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability You will need to order a personal UV monitor online. Please see the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Do not look at the Sun when you are measuring the UV level. Wear sunscreen when you are in the sunlight.
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