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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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 do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

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!

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

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!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This fun game helps children learn to estimate the most basic unit of time--a minute--without a clock.

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

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Play this daily money game with your 2nd grade child to help his math skills.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

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

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

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

Most timeline activities are all about history. Make timelines more relevant and personal for your child by focusing on the hours and minutes of his day.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

If your 2nd grade child asks for time often, encourage him to read time on his own by talking about time throughout the day.

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

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

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

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

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.