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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project teaches students the differences between fruits and vegetables.

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

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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 project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.