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

Practice conversions within the metric system in this fun math card game for third graders.

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

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?

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!

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!

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

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.

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.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

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 cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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?

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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.

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

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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.