Embark on a year long investigation of the seasons with this 10-lesson earth science unit. After being introduced to different types of weather and the tools used to measure it, young scientists perform fun hands-on activities that...

This comprehensive, interactive site is loaded with information, activities, and stories about thunderstorms, lightning, and tornadoes. Find out how these weather systems are formed, how they impact our lives, and how they cause chaos.

[Free Registration/Login may be required to access all resource tools.] How thunderstorms form and their effects.

[Free Registration/Login may be required to access all resource tools.] How thunderstorms form and their effects.