In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

This science fair project idea researches the effects of acid rain on plant growth.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Test whether spot magnets can help improve the symptoms of an injury.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this cool science project, model how impact craters form on the surface of the moon.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

This science fair project idea determines what household items are good conductors of electricity.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

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

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.