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Predicting Products of Various Chemical R eactions

Predicting Products of Various Chemical R eactions. By Elizabeth Jones and Tarla Leeson Show Me Process 1.6 Show Me Content SC-1 GLE 1.1 H.d SJSD MO 6. Engage.

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Predicting Products of Various Chemical R eactions

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  1. Predicting Products of Various Chemical Reactions By Elizabeth Jones and TarlaLeeson Show Me Process 1.6 Show Me Content SC-1 GLE 1.1 H.d SJSD MO 6

  2. Engage • Students view stations of each of the following: water boiling, dry ice on table, rusted steel wool, baking soda and vinegar, brownie mix-oil-water-egg • Stations will include some chemical reactions and some that are not chemical reactions • Formative Assessment(s): Use CPS to click in responses for a quick visual representation of their ideas • Check for misconceptions. • Using their ideas about the reactions, hold class discussion about their justifications to help students understand their misconceptions.

  3. Explore • Lab investigation of redox reaction: • Will a chemical reaction occur when liquid solutions (CuSO4, PbNO3, or ZnCl) are added to metal (Zn, Cu, Pb)?—See Attachment #1 • Formative Assessment(s): 1) Approve procedure prior to authorizing their investigation 2) Verify identity of variable and control 3) Checking for thoroughness of observations & data

  4. Key Question: What chemical reactions occur when substances are combined? • It is advisable to have students work in small groups. Students will create an experimental design to solve the key question, conduct an experiment, create a data table, record observations, and communicate their findings with their peers. • The following procedure is suggested but students should attempt to develop the procedure on their own:

  5. Explain Claim-Evidence-Reasoning Poster from Redox investigation to include balanced chemical equation of reaction.   • Formative Assessment(s): Use C.E.R. rubric –See Attachment #2

  6. Elaborate #1 • Using what they have learned from redox reactions, students will generate new questions that lead them to investigate acid-base reactions. • Formative Assessment(s): Making individual C.E.R. mini-poster

  7. EvaluateAssessments • CER Posters • Quizzes • Notebook • Benchmark • Unit Exam

  8. Resources Activity #1 –Sorting chemical reactions Laboratory Investigations 1)Redox 2)Acid/Base 3)Combustion C.E.R. Rubric Articles • Oxidation • Acid/Base • Combustion

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