Attributes Response None Specified Attributes Sample Item The temperatures of two identical liquids are taken. Liquid A has a temperature of 25.5 degrees C and Liquid B has a temperature of 45.1 degrees C. What best describes the difference between the two liquids? * A) The particles in Liquid A are moving slower than the particles in Liquid B B) The particles in liquid A are moving faster than the particles in Liquid B C) The particles in liquid A are smaller than the particles in liquid B D) There are more particles in liquid B than there are in Liquid A Reporting Chemistry Category Standard Energy Benchmark SC.912.P.10.7: Number Benchmark Distinguish between endothermic and exothermic chemical processes. Also Assesses Item Types MC Benchmark Students distinguish between an endothermic and an exothermic reaction. Clarification Content The item should only focus on the classification of a chemical reaction related to Limits endothermic or exothermic processes. The item does not have to involve catalysts in the reaction. Stimulus The item should contain a chemical formula or chemical reaction. The item can Attributes include an energy diagram. Response None Specified Attributes Sample Item How is this reaction classified? CaO + 2H2O -> Ca(OH)2 + H2 + Heat A) Endothermic *B) Exothermic C) Decomposition D) Double replacement
Attributes Response Attributes None Specified Sample Item The temperatures of two identical liquids are taken. Liquid A has a temperature of 25.5 degrees C and Liquid B has a temperature of 45.1 degrees C. What best describes the difference between the two liquids? * A) The particles in Liquid A are moving slower than the particles in Liquid B B) The particles in liquid A are moving faster than the particles in Liquid B C) The particles in liquid A are smaller than the particles in liquid B D) There are more particles in liquid B than there are in Liquid A Reporting Category Chemistry Standard Energy Benchmark Number SC.912.P.10.7: Benchmark Distinguish between endothermic and exothermic chemical processes. Also Assesses Item Types MC Benchmark Clarification Students distinguish between an endothermic and an exothermic reaction. Content Limits The item should only focus on the classification of a chemical reaction related to endothermic or exothermic processes. The item does not have to involve catalysts in the reaction. Stimulus Attributes The item should contain a chemical formula or chemical reaction. The item can include an energy diagram. Response Attributes None Specified Sample Item How is this reaction classified? CaO + 2H2O -> Ca(OH)2 + H2 + Heat A) Endothermic *B) Exothermic C) Decomposition D) Double replacement