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

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!

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 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.

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

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

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

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

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

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.

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!

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.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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