Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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.

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.

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.

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?

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.

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

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

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

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

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.

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

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

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

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

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.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

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.

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

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