Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Practice subtraction with your second grader in this fun dice game. Math concepts have never been more fun!

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

Play this fun math numbers game with your kindergartener! Practice following instructions as you roll the dice and count.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Give your child some practice with even numbers, while creating a cute Christmas keepsake. Create this skip counting book.

In this fun math activity, second graders will learn to estimate items in a jar! 

Compare and order numbers and introduce mathematical inequalities in this fun math card game.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

Here's a math game for your preschooler or kindergartener that'll make number recognition as easy as a pizza pie!

Use this fun math board game to improve your first grader's confidence with addition facts.

Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!

Make a big green alligator with household items and help your kindergartener practices letters and sounds!

Using nothing fancier than old milk cartons and popsicle sticks, create a village full of fun learning for your kindergarten math student.

Probability can be a tough concept to master. Try playing this fun card game in order to help your third grader understand it a little better.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Try this fun math card game and practice place value with your second grader! Decide which number is bigger in order to earn points!

Ordinary drinking straws are fun for drinking juice and even for spitballs when you're not looking, but also fabulous for learning first grade math.

Play this game to help froggie hop home...and teach the number line to your kindergartener while you're at it!

Make a brag sash with your child to celebrate an amazing school year filled with accomplishments.

Help your preschooler chart her good eating habits with this arts and crafts activity that has her making a healthy fruits and vegetables rainbow and graph!

A hands-on guessing game that teaches kids to recognize different coins. First graders will learn their money and their math at the same time!

Make practicing addition facts more fun and teach your child some helpful strategies with this spin off of the traditional "Go Fish" game.

In this hands-on craft project, kids will make an analog clock of their own, and then use it to learn how to tell time.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.