This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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.

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

Find out whether matte or shiny nail polish lasts longer.

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

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project idea investigates if fats add to the flavor of food.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.