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.

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

Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!

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.

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?

Check out this simple version of a pairs game that's played all over the world. It's a great way to practice estimating and predicting mathematical outcomes.

Get your child excited about measuring with this fun and easy household measurements activity.

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

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

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.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Your child can brush up on her math skills by charting the length of time that each candle on the menorah takes to burn.

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

Based on the popular "I Spy" game, this activity lets your kid practice important skills like number identification and place value.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

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

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

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.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

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.

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.

This activity with add some fun and education to long car trips. Perfect for family vacations!

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!