Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

The purpose of this science fair project is to build a basic radio.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Make sourdough bread...and learn some colonial history and modern science in the process!

The objective of this experiment is to evaluate the effects of acid rain on plants.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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