This science fair experiment examines the relationship between gender, age, and smiling.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this science fair project you will make a model of a cell membrane using very simple material.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Cleaning can be a chore, but not with this sudsy experiment!

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This project determines how much the rebound rates of tennis balls change after ten games.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

This project examines which type of dance burns the most calories.

This science fair project idea assesses the effect of music on work performance.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Science fair project that examines condensation and the conditions needed in order for dew to form.