Evidence of Understanding algal growth over time with colorimeter or photometer data Accommodations Doing the quantitative part of measuring light transmittance is not necessary for basic idea student can readily see differences without plan B … graphing data. differentiated instruction Formative Use questions during lecture to assess understanding of basic phosphate Assessment/Feedback and nitrate cycles Ask probing questions about student predictions while they are setting up measure of progress solutions and correct any misconceptions at that time Final Evaluation Qualitative: Students take digital photographs of results as evidence supporting that excess phosphates and nitrates cause algal blooms project rubric Quantitative: Student collect % transmittance data over several days and oral or paper quiz/test graph results to show evidence that supports excess phosphates and portfolio nitrates cause algal blooms Teacher Reflection This is a very simple, yet effective lab for showing problems that occur when using fertilizers or detergents. complete after lesson Designers/Email: Fred Donelson (fdonelson@gjps.org) Additional Comments: I will probably use colorimeters next time to add a quantitative piece to this lab, but students certainly found this easy to understand.
Evidence of Understanding algal growth over time with colorimeter or photometer data Accommodations plan B differentiated instruction Doing the quantitative part of measuring light transmittance is not necessary for basic idea … student can readily see differences without graphing data. Formative Assessment/Feedback measure of progress Use questions during lecture to assess understanding of basic phosphate and nitrate cycles Ask probing questions about student predictions while they are setting up solutions and correct any misconceptions at that time Final Evaluation project rubric oral or paper quiz/test portfolio Qualitative: Students take digital photographs of results as evidence supporting that excess phosphates and nitrates cause algal blooms Quantitative: Student collect % transmittance data over several days and graph results to show evidence that supports excess phosphates and nitrates cause algal blooms Teacher Reflection complete after lesson This is a very simple, yet effective lab for showing problems that occur when using fertilizers or detergents. Designers/Email: Fred Donelson (fdonelson@gjps.org) Additional Comments: I will probably use colorimeters next time to add a quantitative piece to this lab, but students certainly found this easy to understand.
Phosphates,%20Nitrates,%20and%20Algal%20Blooms_EQ2-3_FD.docx