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.

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.

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.

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

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

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!

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

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

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

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

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

Nothing chases the blues away like a trip to the boardwalk. Bring the fun home with this do-it-yourself version that sneaks in some math practice.

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

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

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!

Expand on your childâs time-telling skills by helping him learn how an analog clock and a digital clock correspond.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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!

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

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

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.

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.