Last Minute Review Warm-up A science class is conducting an experiment that produces noxious fumes. Because of inadequate ventilation, some students begin to feel nauseated and dizzy. The first response should be to— Neutralize the acid that is reacting to produce the noxious fumes Carry the reactants outside, away from other students Leave the room and go to an area with fresh air Spray the reaction with a fire extinguisher Label the following as intensive or extensive. a. boiling point b. mass c. density d. hardness 3. Label the following as an element, compound, homogeneous mixture or heterogeneous mixture. oxygen gas b. oil and water c. pure water d. tea dissolved in water e. iron and sulfur 4. Label the following as a physical or chemical change. Tea dissolving in water Copper turning green due to oxidation

Last Minute Review Warm-up A science class is conducting an experiment that produces noxious fumes. Because of inadequate ventilation, some students begin to feel nauseated and dizzy. The first response should be to— Neutralize the acid that is reacting to produce the noxious fumes Carry the reactants outside, away from other students Leave the room and go to an area with fresh air Spray the reaction with a fire extinguisher

Last Minute Review Warm-up Label the following as intensive or extensive. Boiling point Mass Density Hardness Intensive Extensive Intensive Intensive

Last Minute Review Warm-up 3. Label the following as an element, compound, homogeneous mixture or heterogeneous mixture. Oxygen gas oil and water pure water Tea dissolved in water iron and sulfur Element Heterogeneous Mixture Compound Homogeneous Mixture Heterogeneous Mixture

Last Minute Review Warm-up 4. Label the following as a physical or chemical change. Tea dissolving in water Copper turning green due to oxidation Physical Chemical

Important Information When you are finished with your test, work on missing assignments OR homework. You must remain silent until ALL students are finished with their test. Homework: Measuring Precisely Notes (due on 9/16 (A) or 9/17 (B))