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.

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

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.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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

Practice measurement using centimeters in this fun math race designed for your second grade student!

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

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

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.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

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.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

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

Use this great no-bake recipe to save energy and keep cool.

This science fair project idea deals with the qualities of shade on a sunny day.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

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?

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

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

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!