Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

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.

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

Construct batteries that make electricity from fruits with this fun science fair project.

Demonstrate which cooking method gets rid of the most fat.

The project investigates how friction affects motion by using different surface textures.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

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

This science fair project idea examines whether boys and girls differ in reflexes.

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