This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This science fair project idea explores the different properties of matter.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Using a toy race car kids create a visual model of the Doppler Effect.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This fascinating science fair project explores eye color genotypes.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

This science project researches the correlation between barometric pressure and wind velocity.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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!

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

Will the shape of an ice cube impact how fast the ice melts?

In this science fair project, students examine how temperature affects sugar transport within a plant.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This project explores differences in people's reactions to images in color and images in black and white.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

This science fair project idea produces sounds by creating vibrations using different objects.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This project determines what category of person is most likely to be ticklish.