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This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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

Will male or female hair grow faster? Find out in this science fair project idea!

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Science fair project that builds a magnetometer and demonstrate its uses.

This science fair project idea investigates food preference of birds.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Demonstrate which cooking method gets rid of the most fat.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.