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.

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?

Draw some educational value out of a summer stocked full of adventures!

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!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

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.

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.

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.

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.

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.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

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!

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.

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!

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

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.