Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

This science fair project idea investigates how the shape of an object affects drag.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea studies how talking on a cell phone affect driving?

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

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

This science fair project idea explores the egg's thin membrane.

Examine the effect of pressure on carbonation in soda.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

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

Determine which metal has the highest rate of conductivity.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.