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

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.

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

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

Use familiar household items and decorations to turn estimation into a fun game!

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

Try this fun math card game and practice place value with your second grader! Decide which number is bigger in order to earn points!

Learn to recognize symmetry by playing this game! The more you play, the better you'll get at recognizing this special characteristic many playing cards have.

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

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.

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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Here's an innovative math puzzle that you can create with your fourth grade math student.

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.

Practice subtraction with your second grader in this fun dice game. Math concepts have never been more fun!

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

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

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.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Graph are a great way to organize information. Your child will get to practice graphing by creating a bar graph and a pictorial graph of her friend's names.

Teach your young academic about counting and clocks with a tasty treat!

What's my number? Go ahead and guess! This logic game focuses on number sense that suits all ability levels, as players' questions can be simple or complex.

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.