This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Is your child learning to write the alphabet correctly? In this "kinesthetic" activity, use movement and art to help your child with letter-writing.

This science fair project idea deals with the qualities of shade on a sunny day.

Ancient Greek vases were not only utilitarian, they were also works of art. Jump into ancient cultures by decorating your own vase in classic Greek style.

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

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Transfer your child's artwork onto clothing using an iron-on transfer. It's easier than it sounds, and your child will love wearing his artwork!

Strengthen your fourth grader's reading skills with this analytic "reader's theater" activity.

Your child will learn more about coins and their denominations as he's asked to identify similar coins.

Rhyming helps kids better understand word structure. This silly game transforms rhymes into a mystery bag guessing game.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Probability problems are often among the hardest math concepts to wrap your head around. Here's a classic example: the Monty Hall problem!

Your first grader will gain an understanding of time management as your holiday tasks become manageable, with this to-do list reinvented as an advent calendar!

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.