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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!

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

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

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.