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In This Laboratory Exercise, Students Construct A Model Wet Scrubber That Operates Much Like One At An Incineration Plant. They Burn Wood And Observe How Particulates And Other Pollution Are Removed By The Scrubber. They Measure The Change In Ph Of The Scrubber Solution And The Mass Of Solid Precipitate Formed. Students Then Evaluate The Benefits And Shortcomings Of Wet Scrubbers And Answer Questions About Air Pollution. Kit Provides Materials For 8 Groups Of Students.Unit Connectionthis Laboratory Investigation Correlates To Unit 7: Atmospheric Pollution, Topic 7.6 Reduction Of Air Pollutants In The Ap Environmental Science Course And Exam Description.Standards Connectionthis Kit Addresses The Following Ap Environmental Science Concepts:Big Idea 4: Sustainability (Stb) Human Survival Depends On Developing Practices That Will Achieve Sustainable Systems. A Suitable Combination Of Conservation And Development Is Required. The Management Of Resources Is Essential. Understanding The Role Of Cultural, Social, And Economic Factors Is Vital To The Development Of Solutions.Stb-2 Human Activities Have Physical, Chemical, And Biological Consequences For The Atmosphere.Stb-2.G Explain How Air Pollutants Can Be Reduced At The Source.Stb-2.G.4 Wet And Dry Scrubbers Are Air Pollution Control Devices That Remove Particulates And/Or Gases From Industrial Exhaust Streams.Stb-2.G.5 Methods To Reduce Air Pollution From Coal-Burning Power Plants Include Scrubbers And Electrostatic Precipitators.Time Requirementster Preparation (Before Class):Prelab: 15 Minutesinvestigation 1: Day 1, 40 Minutes; Day 2, 10 Minutesclass Time:Prelab: 20 Minutesinvestigation 1: Day 1, 45 Minutes; Day 2, 15 Minutesfree-Response Questions: 35 Minutesthe Times Provided Are Estimates. The Time Required May Vary Based On Your Student Population.Digital Resourcesincludes 1-Year Access To Digital Resources That Support Instruction. Digital Resources May Include Ter Manual And Student Guide, Prelab Activities And Setup Videos, Simulations, And Postlab Analysis And Assessments.Prior Knowledge And Skillsstudents Should Be Familiar With The Following Skills Or Concepts:Safe Use Of A Bunsen Burnerunderstanding Of The Ph Scaleproper Use Of A Balancebasic Understanding Of Chemical Reactionsbasic Definition Of Air Pollutionap Is A Trademark Registered And/Or Owned By The College Board, Which Was Not Involved In The Production Of, And Does Not Endorse, This Product.
