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

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.

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

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!

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!

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

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!