This experiment examines if space objects become round after reaching a certain mass.

Help your 4th grade child work on understanding place values of digits in decimal numbers with this fun activity.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

This decimal game is a great way to help your child get familiar with how decimal values work.

This fun card game is a great way to help your child increase his speed and accuracy when solving integer problems.

Make a roaring rocket ship toy out of a paper towel roll and some tissue paper.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

This is a simple, fast game that you and your child can make together to help him master rounding with decimals.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science fair project idea demonstrates that plants give off water.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Who said snow globes have to be round and made of glass? Here’s our take on this holiday favorite, using paper and plastic.

Here's how to interview, write about, and present a grandparent narrative that will rock Grandpa's socks off!

A round scoop of vanilla ice cream, red sprinkles, and bat and glove cookies are all it takes to make a baseball-themed treat.

Show off your team spirit by creating a festive baseball pennant for your favorite team.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Spark your child's interest in ancient history by making a round shield like the ones carried by hoplites, Ancient Greek citizen-soldiers.

Have your child kick off their summer vacation by making a miniature water slide!

Here's a homemade bulletin board project to help your fourth grader's school year start off right.

Kick off the spookiest time of the year with an art project inspired by the ancient Egyptian process of mummification.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Create an adorable, non-edible turkey decked out with colorful bursts of tissue paper that pop off the page.

With friendship bracelets, facials, fortunes, and fondue, this slumber party will be a great kick-off to 2010.

Kids can jazz up their checker sets by transforming boring round checker pieces into baby chicks and eggs in this 1st grade arts and crafts activity.

Your child will have fun creating an Earth Day Plate that he can eat off as often as he likes!

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Use this fun spin-off of Bingo to help your child practice number recognition and listening skills!

Let your child show off his culinary prowess as he whips up this nutritious and delicious salmon recipe!

This sponge relay game is the perfect way to cool off and to keep kids' minds sharp this summer.