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Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science project examines the thermal properties of several major greenhouse gases.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

This project investigates the affect of storage temperature on microwave popcorn.

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.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

Explore the effect of wind speed on the burning rate of a candle.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Find out whether matte or shiny nail polish lasts longer.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This science fair project idea investigates how different disinfectants work in killing germs.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.