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.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

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

Construct and experiment with a periscope using reflected light rays to gather an image.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

This science fair project idea examines the reason boats are shaped and engineered.

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

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Cleaning can be a chore, but not with this sudsy experiment!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Science fair project that determines whether mass and weight are the same or different.

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The goal of this project is to create an exciting topographical map out of dough.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.