Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

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.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project idea examines the reason boats are shaped and engineered.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.