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?

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Introduce your child to science with something they see everyday--their shadow!

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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.

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

Get your child excited about measuring with this fun and easy household measurements activity.

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

Help your child practice her counting as she makes this fun and festive holiday decoration!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

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

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

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

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.