MR / Schenectady, New York. Mont Pleasant Middle School (urban public school). 8th grade science classroom. Student (girl, 13, Sudanese-American) wearing safety goggles uses bunsen burner during science lab experiment. She is testing how the addition of varying amounts of salt affects the boiling temperature of water for unit on states of matter. MR: Ali1. ID: AJ-g8m. ©Ellen B. Senisi.