Last-Minute Science Fair Ideas

Has science fair season snuck up on you? Here are a few last-minute project ideas for you. Find projects that use household materials, or get a convenient kit with all the supplies you need in one package. Most orders ship the same business day, so you can get your stuff quickly! See our science fair supplies category for more.

Bacteria Experiment Kit. The possibilities for great science fair projects with bacteria are endless! With this kit you have everything you need to experiment with conditions for bacteria growth and the effect of household cleaners on bacteria cultures. You can also design your own bacteria project with our free project guide. Note that bacteria cultures do take several days to grow.

Glo Germ Project Kit. Glo Germ gel simulates the behavior of real germs under a black light, so you can experiment with different methods to stop the spread of germs (see our free projects). Do a project to find the best handwashing techniques: what temperature of water works best; how long should a person wash their hands; does one type of soap work better than another?

Food Chemistry Kit. With a few simple chemicals, you can test foods for starch, glucose, protein, and vitamin C. Experiment with how different preservation methods affect the nutritional content, compare sugar to artificial sweeteners, find out the effect of saliva on starch, and more.

Bioassay Toxicity Test. Experiment with environmental science to determine the effect of salted roads (or other toxic pollutants) on plant growth. Click for a sample project.

Liquid Density. Design a project about the different densities of various liquids. What role does liquid density play in various industries? Click for a basic project that uses household materials and go from there.

Thermal Conductivity Kit. Experiment with how metals conduct heat: which ones do so the best? How might they be used most effectively in everyday applications? Will a copper pan heat food more evenly than a steel one, for example?

Static Electricity Kit. Explore static electricity and experiment with the effects of humidity and temperature. How can you increase or reduce static electricity? What types of materials have a negative charge and what type have positive? This kit includes an electroscope, friction pad, glass rod, balloons, and instructions.

Light Bulb Science. Thomas Edison tried thousands of materials for his filaments. Make your own light bulb to explore how different filaments respond to having an electric current run through them.

Battery Power Kit. Study chemical energy when you make a battery powered by household electrolytes like vinegar. What electrolytes can you find that produce the most power? This kit has electrodes and leads on a platform you can use with any pint canning jar.

Spectroscopy Kit. Experiment with the spectra given off by different burning elements. How can spectroscopy help determine the chemical composition of the stars, or even the streetlights in your neighborhood?

Weather Experiments. Use household materials to explore convection, wind, and evaporation with quick projects like these.

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