Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Show your preschooler how to construct this very special planter for Mom. It makes a great pick-me-up, and it's easy for kids to make in a flash!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Here's a guide to starting a community clean-up project from scratch.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

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

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea discovers the effect of (high) heat on animal cells.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

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

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.