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Topics > Microbiology > Bacteriology

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Bacteria and thawing methods

The aim of this science fair project is to find out which method of meat thawing leads to the least amount of bacteria contamination. This experiment is conducted by thawing the meat over the counter, in the refrigerator and using the microwave oven.

Difficulty: Middle school

Solar Water Disinfection

To determine the relationship between the degree of disinfection of drinking water (infused with a bacteria culture) and varying degrees of opacity of the container

Difficulty: High school

The Effect of Acids and Alkalis on Bacterial Growth

The purpose of this experiment is to find out whether bacterial growth is inhibited by either strong acids or strong alkalis, or even both. It is important for us to know about bacteria inhibition in order to develop more efficient antimicrobials.

Difficulty: Middle school

Extreme temperatures and its effect on the growth of bacteria

The purpose of this experiment is to investigate if extreme temperatures kill bacteria more effectively, especially so if the bacteria is exposed to extremely high temperatures (as opposed to extremely low temperatures).

Difficulty: High school

Bacteria in poultry meat

This science fair project aims to discover which type of processed poultry meat possesses the largest amount of bacteria. This experiment will be conducted using meat from a fresh chicken, irradiated chicken and frozen chicken

Difficulty: High school

How dirty are your dental retainers?

Should you brush your retainers with toothpaste? Will it suffice to rinse them with mouthwash? This science fair project aims to investigate the methods available for minimizing the amount of bacteria found on dental retainers. This experiment is carried out by comparing the amount of bacteria found on dental retainers that have been subject to infrequent brushing, regular brushing with toothpas

Difficulty: High school

Bacteria resistance to antibiotics

This science fair project aims to find out how the frequent use of antibiotics affects bacteria resistance. This experiment is carried out using the antibiotic ampicillin and the bacteria, Escherichia Coli (E. Coli).

Difficulty: High school

Insects and the germs they carry

This science fair project was done to determine the amount of germs carried by different types of insects. The experiment was done using ants, cockroaches, flies and beetles.

Difficulty: High school

Examining the effect of acidity and alkalinity on bacteria growth inhibition

The objective of this science fair projectis to investigate the effect of acidity and alkalinity on bacterial growth. This will be determined through the use of different concentrations of hydrochloric acid and sodium hydroxide, and measuring the size of the respective inhibition zones in samples of E. coli bacteria.

Difficulty: Middle school

Bacteria on chopping boards

This science fair project was done to ascertain the amount of bacteria on chopping boards. The science project experiment involved using wooden and plastic chopping boards.

Difficulty: Middle school

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