Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea explores how length affects the weight a bridge can hold.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea examines which type of insulation holds in the most heat.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

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

This science fair project idea determines what household items are good conductors of electricity.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project you will make a model of a cell membrane using very simple material.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project idea determines if the color of light affects the growth of plants.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.