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Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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.

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This simple experiment serves as an introduction to the greenhouse effect.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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.