National Weather Service. (2013, February 08). The positive and negative side of lightning. Retrieved from NASA. (2013, February 10). A lightning primer. Retrieved from http://thunder.msfc.nasa.gov/primer/index.html Key compare and contrast words: most, all, both, similar, types I would use this graphic organizer to point out to the students the differences and similarities between the three main types of lightning.
National Weather Service. (2013, February 08). The positive and negative side of lightning. Retrieved from NASA. (2013, February 10). A lightning primer. Retrieved from http://thunder.msfc.nasa.gov/primer/index.html Key compare and contrast words: most, all, both, similar, types I would use this graphic organizer to point out to the students the differences and similarities between the three main types of lightning.