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

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

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!

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Practice conversions within the metric system in this fun math card game for third graders.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

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

This project tests the hypothesis that dark colors absorb more heat than light colors.

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

This little chick is so cute that your child will want to make a whole flock to call her own.

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

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Do you think heat can affect a plant's growth rate?

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.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

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?

Make this delicious warm apple bread for Hanukkah.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

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

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!