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Test out various brands of permanent markers to see which one is least water soluble.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project idea discovers the effect of (high) heat on animal cells.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

This science fair project idea compares the mass and density of objects.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.