Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Can cells be frozen? This science fair project provides information to answer this question.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.