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This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Give your child some practice with even numbers, while creating a cute Christmas keepsake. Create this skip counting book.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

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!

Your first grader will love telling time while playing this fun game of tag! Ask Captain Midnight for the time, but watch out when his watch says "midnight"!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Let your child lend a helping hand while decorating the Christmas tree this year! This festive activity doubles as a lesson focusing on the number five.

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

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.

Here's a math game for your preschooler or kindergartener that'll make number recognition as easy as a pizza pie!

Help your child identify numbers with this fun preschool math art activity! Explore different textures and colors as he learns numbers.

This game is the perfect way to prepare your child for any shopping adventures you may embark upon, all while practicing important math concepts.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

Run, jump, and skip your way to physical fitness as your exercise with dice! It's a perfect party or family game.

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Determine whether the application of Febreeze will lower the bacterial count.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Your preschooler will not realize she's practicing her counting skills while playing with this interactive cereal abacus!

Help your child make an imaginative, inexpensive spaceship from recycled materials. When the spaceship is ready, count backwards from ten and then BLAST-OFF!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.