How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

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.

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

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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

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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

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

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

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.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

The objective of this science project is to determine the length of time for different seeds to germinate.

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.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.