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.

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!

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

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

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

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

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

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.

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!

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

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

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

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

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!

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!

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.

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

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

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Your kindergartener will learn basic math concepts and create a beautiful keepsake with this African flag reference book.

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

This fun math card game is a great opportunity to discuss probability with your third grader.

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!

Try this fun math card game with your third grader to practice division, addition, and problem solving!

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.