In The "A" Train Express, students will take a ride on the "A" Train Express. They will learn how weather affects everyone's daily lives. Students will see national and international scientists using satellite technology to help improve weather forecasting and our understanding of aerosols and clouds. They will also be introduced to two NASA satellite Earth Science missions, CALIPSO and CloudSat. By conducting inquiry-based and web activities, students will make connections between NASA research and the mathematics, science, and technology they learn in their classrooms.