Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.