In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This project compares the strength of one, two, and three-ply toilet paper.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Find out whether a longer airplane will fly farther or a wider paper airplane.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

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.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

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

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 experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project idea explores whether talking to a plant will help it grow.

Help your child learn about animal classification with this fun and delicious activity.

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

Learn whether writing things down really makes things easier to remember.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea investigates whether plants can survive being frozen.

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.