Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

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.

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?

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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

This science fair project idea investigates how the shape of an object affects drag.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Word color association is just a fancy way to talk about the way we connect colors with words.

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.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

In this activity your child will create their very own marble maze!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

This science fair project teaches students about wilting and browning of salad greens.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

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