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Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Test whether plants can grow without sunlight and water.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

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.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

In this science fair project, students create their own miniature salt flats at home.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this science fair project, students make their own rain gauge to measure rainfall.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?