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?

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

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

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

Practice multiplication facts by playing baseball in this fun, third grade math board game.

Creating number patterns with pencil and paper can be dull, but creating hopscotch pattern can bring exciting math learning!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This is a great game to help your child learn number concepts in multiplication and division.

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

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

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

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

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Try this fun addition game with your second grader! Arrange playing cards to find the largest possible sums.

Does your second grader want to learn a magic trick? Here is a simple trick using only 3 dice and a little bit of addition and subtraction.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

Practice your addition and subtraction in this card game. Disclose is a math activity any first or second grader will love!

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

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

It's important to be able to add and subtract quickly and accurately, and this activity is the perfect way to practice.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.