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?

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

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

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

How powerful is the reaction between baking soda and vinegar? Find out here!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

Practice measurement using centimeters in this fun math race designed for your second grade student!

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.