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Work on division with remainders in this fun fourth grade math board game.

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

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

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

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.

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

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

Calling all power-shoppers! This game is a fun way for kids to learn life skills, and flex their math muscles at the same time.

This is a great game to help your child learn number concepts in multiplication and division.

Most timeline activities are all about history. Make timelines more relevant and personal for your child by focusing on the hours and minutes of his day.

Play this fun basketball game to help your third grader master their multiplication tables.

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

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

Is your child struggling to remember the rules of place value? Here's a fun series of hands-on activities to help your child put the value in place value!

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.