Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.