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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 game that provides an enjoyable way of demonstrating how recorded results can be expressed in whole numbers, fractions, and decimals.

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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.

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

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