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Construct A Model Food Chain For A System Of Microorganisms And Develop A Mathematical Model For Energy Transfer Between Trophic Levels.High School Laboratory Investigation With Enough Materials For 30 Students Working In Pairs. S 3D–Labs That Use Phenomena To Support Ngss And 3-Dimensional Instruction. Includes A Voucher To Request Delivery Of Perishable Materials Later At Your Convenience.Students Are Introduced To An Aquatic Food Web Diagram That Has 3 Missing –Œmystery– Organisms. After Drawing Inferences About Those Mystery Organisms, A Microscopic Investigation Is Done To Solve A –Œwho Eats Whom– Mystery. Students Have A Chance To Revise Any Cases Of Mistaken Identity. Next, Students Conduct And Interpret A Model Of Energy Flow Through A Food Chain. They Perform Calculations Using Their Data And Based On The 10% Rule. Using These Numbers, They Consider How The Model Could Be Improved, And Explain How It Applies To The Aquatic Food Web. Throughout, Students Seek To Construct And Refine Their Understanding Of Energy Flow And Matter Cycles To Answer The Driving Question, –Œhow Does Energy Flow Through Food Chains In An Ecosystem?–Note: Be Sure To Carefully Plan The Arrival Of Your Perishables; Didinium Will Starve To Death If Not Used Within 1 Day Of Receiving The Culture.Time Requirementteacher Prep, A 50-Minute Class Period. Pre-Lab, Investigation, And Assessment, Approximately 4 Class Periods.Digital Resourcesincludes 1-Year Access To Digital Resources That Support 3-Dimensional Instruction For Ngss. Digital Resources May Include A Teacher–S Manual And Student Guide, Pre-Lab Activities And Setup Videos, Phenomenon Videos, Simulations, And Post-Lab Analysis And Assessments.Performance Expectationshs-Ls2-4Crosscutting Conceptsenergy And Mattersystems And System Modelsdisciplinary Core Ideasls2.B: Cycles Of Matter And Energy Transfer In Ecosystemsscience And Engineering Practicesusing Mathematics And Computational Thinkingdeveloping And Using Modelslearning Objectivesconstruct A Food Chain Using Microscopic Observations Of 3 Microorganisms.Describe The Nature Of How Energy Flows Through Food Chains.Use Physical And Mathematical Models To Analyze The Loss Of Energy Between Trophic Levels.Explain How The Flow Of Energy Through Food Chains Obeys The Law Of Conservation Of Energy.Prerequisite Knowledge And Skillsby The Time Students Begin These Investigations, They Should Know Why Energy Is Important To Living Things. They Should Have A Basic Understanding Of The Energy Dynamics Of Photosynthesis And Cellular Respiration And Have A Degree Of Familiarity With Aquatic Ecosystems. They Also Should Be Independently Proficient With The Proper Use And Handling Of A Compound Microscope.Care Guide: Protistswarning: Prop 65California Proposition 65:Warning: Cancer – Close Window Ecos: Food Chains And Energy Flow : Sample Teacher'S Manual
