MR / Schenectady, NY.Yates Arts-in-Education Magnet School (urban school, arts theme school) Grade 5.Students (age 10, girl: African-American) work together on cooperative, hands-on activity for science lesson on weight and measuring. Boy writes results after students have loaded paper clips onto the simple scale here (a spring is inside the tube) and marked the side of the tube to make their own measurement scale that coordinates with the number of clips added..MR: Roy1, Czu2.© Ellen B. Senisi