This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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

This experiment will explore whether adding different substances to a gel affects its strength.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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 experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

This project concerns activity happening millions of miles away, on the sun.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

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

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

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