This science fair project idea explores substances that cause a bubble to last longer.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This project explores ways to prevent static electrical shocks.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Learn all about balance and motion as your child designs a corn maze!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This science fair project idea determines the probability of a coin landing heads or tails.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.