This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

This science fair project investigates why the number of visible stars changes from place to place.

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

This science fair project idea explores which fruit molds the fastest.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Discover which fabrics shrink the most in the wash and why.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This experiment will explore the best way to create a perfect soft-boiled egg.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.