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Others Like “Germ Invasion”

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Science Fair Project Idea
thumbnail Germs are everywhere! We try and clean our home with disinfectants, but do we really get rid of all the germs? Find out with this "hands-on" experiment. Read more
MicroBio_p012
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Specialty items
Cost Average ($40 - $80)
Safety Must follow general [# ProjectIdea Name="MicroBio_p007" Value="HtmlAnchor" HtmlText="safety precautions for handling microorganisms" #]
Science Fair Project Idea
thumbnail Have you ever noticed that most yogurt containers say they contain "live cultures"? What does that mean? The label is suggesting that the yogurt has living bacteria in it! While some types of bacteria can make you sick, some are actually important to keep you healthy. But individual bacteria are so tiny that you cannot see one with the naked eye, so how can you tell if bacteria are really living in your yogurt? In this science fair project, you will investigate whether yogurt actually… Read more
FoodSci_p072
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability You will need to special order the agar plates. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety The bacteria in the yogurt is not harmful; however, it is possible for other bacteria to grow on the agar plates. For that reason, make sure to follow all the safety guidelines in the Experimental Procedure. Be sure to dispose properly any plates with bacteria when the experiment is over. Adult help is required to light a candle.
Science Fair Project Idea
thumbnail Do you know what is living in your backyard? How about at the playground, or in your compost pile? Nematodes, also called roundworms, are the most abundant animal on Earth and they might be living in any of these places. In this science project you'll isolate nematodes from several soil samples to discover the best nematode habitats. Read more
Zoo_p045
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability The E. coli culture and the agar plates are specialty items. They can be ordered online (see Materials and Equipment for more details), but you will need to plan ahead.
Cost Low ($20 - $50)
Safety This science project involves the use of the bacterium E. coli. Standard microbiology and bacterial safety guidelines should be followed.
Science Fair Project Idea
thumbnail This is a project that illustrates the process of natural selection in action. You'll need access to a laboratory for working with the bacterial cultures used in this project. Read more
MicroBio_p013
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Time Required Long (2-4 weeks)
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 Standard precautions for handling bacterial cultures and bleach.
Science Fair Project Idea
This project uses liquid cultures and agar plates to investigate the effects of different concentrations of a food preservative on microbial growth. Read more
MicroBio_p016
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- Less Details
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 Standard precautions for handling bacterial cultures.
Science Fair Project Idea
thumbnail Have you heard that garlic powder is supposed to inhibit the growth of bacteria? Which do you think would make a better disinfectant: a solution of garlic powder or a solution of bleach? This project shows you a straightforward way to compare the effectiveness of different disinfectants (or other antimicrobial agents), by measuring zones of inhibition on a culture plate. Read more
MicroBio_p014
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- Less Details
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 Standard precautions for handling bacterial cultures and bleach.
Science Fair Project Idea
thumbnail How does your family thaw and cook meat? Have you ever wondered if it is the safest way? In this practical science project, you can find out and shed light on safe practices in the kitchen by investigating how many viable bacteria are present in samples of meat that have been thawed or cooked using different methods. Read more
MicroBio_p015
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- Less Details
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 High ($100 - $150)
Safety Standard precautions for handling bacterial cultures and bleach.
Science Fair Project Idea
thumbnail Have you ever thought about how fortunate you are to have safe and clean water coming out of your faucet? Many people in undeveloped nations don't have this luxury. But does that mean they can't have clean water at all? Is there an inexpensive way they could use to make their own clean water? In this microbiology science fair project, you will investigate whether or not sunlight can disinfect contaminated water. Read more
MicroBio_p025
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Time Required Long (2-4 weeks)
Prerequisites You should have access to a local stream or creek.
Material Availability Specialty items are required. You will need to purchase tryptic soy agar plates, droppers, and glass rods for streaking. See the Materials and Equipment section, below, for more details.
Cost Average ($50 - $100)
Safety This science fair project deals with potentially dangerous pathogens. Wear gloves when conducting the experiment. Read and follow the instructions in the [# ProjectGuide Name="Advanced.MicroorganismsSafetyGuide" Value="HtmlAnchor" HtmlShortTitle="true" #]. Do not drink any of the water that results from the SODIS process. See the Experimental Procedure for more information. You should always exercise caution when obtaining a water sample from a creek or a stream.
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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- Less Details
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
If you'd rate yourself high on the bacteriophobia scale, just keep on scrolling down to the next project. Bacteria are all around us, and normally our body's defenses keep us blissfully unaware of them. If you don't mind finding out where they're lurking in your house, then you might find this project interesting. Read more
MatlSci_p017
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- Less Details
Time Required Long (2-4 weeks)
Prerequisites Familiarity with sterile laboratory technique is a big plus.
Material Availability Specialty items
Cost Average ($50 - $100)
Safety Standard precautions for handling bacterial cultures.
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