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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

In this experiment we will be determining whether birds prefer certain colors of seed.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Try this chemistry experiment with your curious kid and get some "shocking" results!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Give your budding young observers a chance to discover simple machines at use in their own home.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

The goal of this project is to create an exciting topographical map out of dough.

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

This science fair project idea determines if the color of light affects the growth of plants.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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