Science fair project that examines the biodiversity of ant populations in various locations.

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

This science fair project examines whether ocean water can be made safe to drink.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

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 compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

The project researches how lubricants affect the mechanical advantage of a pulley.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Make sourdough bread...and learn some colonial history and modern science in the process!

Science fair project in which you will start a fire from scratch without using matches or a lighter.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

This science fair project idea measures physical dexterity as a function of temperature.

The objective of this experiment is to evaluate the effects of acid rain on plants.