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

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.

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

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 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.

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

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.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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.

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.

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.

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

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

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

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

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!

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

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

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.

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.