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Over 1000 FREE Science Fair Project Ideas!

Bacteria and toothpaste
This science fair project was done to ascertain if brushing teeth with toothpaste will reduce the amount of bacteria in our mouths. The science project experiment involved using different brands of toothpaste - Colgate, Sensodyne, Aquafresh and Crest.
Difficulty: High school
Bacteria in your toothbrush
This science fair project was done to find out the best way of reducing bacteria in toothbrush. The science project experiment involved using and keeping the toothbrush in different conditions.
Difficulty: Middle school
Do cell sizes differ, depending on the size of the organism?
The researchers hypothesized that larger organisms are not necessarily composed of larger cells than smaller organisms. This hypothesis was based on the premise that many organism are composed of specialized cells that perform different functions and those cells may vary in size. The examination of four cell specimens from organisms of varied sizes supported the researchers' hypothesis. The four c
Difficulty: High school
Does nature prefers strands and helices in building biomolecules?
I used a computer to make model peptides with repeating pentapeptide blocks of the type of [AAAAA](n) and [DAAAK](n), where n is the number of blocks; n=1-4. I modeled extended, strand, and helical structures. I measured and compared the stabilities of the peptides with and without energy minimization. I used the programs Insight II, IsisDraw, and DeepView.
Difficulty: High school
Examining the effect of temperature on bacteria
The objective of this science fair project is to investigate the effect of hot and freezing conditions on the survival of bacteria. The experiment will be carried out by placing E Coli, Streptococcus and Bacillus bacteria at -78 degrees Celsius, 0 degrees Celsius, 25 degrees Celsius, 60 degrees Celsius and 100 degrees Celsius
Difficulty: High school
How does detergent affect the oil absorbency rate of Polypropylene Pads?
The purpose of this experiment is to investigate how various detergents affect the absorbency rate of polypropylene pads.
Difficulty: Middle school
Manipulation of PGE(2) Levels with Various Cytokines of Thyroid Associated Ophthalmopathy
Graves# Disease is a form of hyperthyroidism often accompanied by Thyroid Associated Ophthalmopathy (TAO), an autoimmune-mediated inflammation of the extraocular connective tissue. Despite numerous studies to locate the specific factors that regulate the swelling and produce an effective cure, neither of these goals has been achieved. Recently, scientists discovered that Prostaglandin E(2) (PGE(2)
Difficulty: High school
Nicotine and cancer
This science fair project was performed to study the effect of nicotine on cancer cell growth. The experiment was done by exposing human colorectal adenocarcinoma cells to nicotine
Difficulty: High school
Studying the GST-Y10 Protein: Is the C-domain Resonsible for Histone Interaction?
The NAP1 protein is the protein that assembles nucleosomes and organizes DNA inside the nucleus of cells. The aim of this experiment is to determine whether the GST-Y10 protein has the ability to bind histones. The experiment will consist of two major steps; creating the GST-Y10 protein and a pull down assay using the produced protein and histones.
Difficulty: High school
The effect of pollutants on light bioluminescent bacteria
This year for our science fair project we decided to work with bioluminescent bacteria. We heard of bioluminescent bacteria through our science teacher. From there we decided to investigate. Bioluminescence is the giving off of light by an organism without heat. We read that bioluminescent bacteria are being used to diagnose the amount of pollution in water. We believe that the pollutants will
Difficulty: Middle school
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