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!

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

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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

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!

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

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

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

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.

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

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

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

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

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

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

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

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!

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.

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.

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.