Who else is using your shampoo? Robert Arnal Karlene McCurry Greg Patton Gabi Ward

Introduction to Web Quest We want our students to consider the variety of products they may put into their water and the impact on water quality in the future.

Questions to be considered  What is the fate of the variety of products that you introduce into the water?  Can the product residue be easily treated or removed?  Is there an impact on the water we drink?  Does this affect humans now or in the future ?

Anticipated Inquiry Content Pathways of the Personal Care Product Eventual disposition of the Personal Care Product along its pathway through our water treatment system Accumulation of residues in our watershed

Curriculum Standards State Standards N.12.B.2 Students know consumption patterns, conservation efforts, and cultural or social practices in countries have varying environmental impacts. N.2.A.3 Students know models and modeling can be used to identify and predict cause – effect relationships.

Curriculum Standards Biology Standards 1.5 The student will propose an appropriate conclusion from data The student will evaluate human impact as a selective influence on a community.

Lesson Procedures Group size: 2 – 3, self selected Total time: 4 block periods Introductory activities: 1 block period Computer lab: 1 block period Presentation preparation: 1 block period Presentations: 1 block

Example of Poster mages/drawing.pdf mages/drawing.pdf

Vocabulary Solvent Solute Pollutants Residue Parts per million Pharmaceuticals

Introductory Activities Brainstorming personal care products used by students Brainstorming the possible harmful effects of the products Activity: Testing personal care products for common water parameters Review of Las Vegas watershed and water cycle with diagrams

Web Search water.usgs.gov/education.html water.usgs.gov/education dex.htm epa.gov/nerlesd1/chemistry/pharma/images /drawing.pdf oster-overview.htm

Presentation Preparation Review poster and presentation rubric Student group work Poster Preparation Work on oral defense

Presentation Day 5-7 minute presentation Graphics poster-content explained Oral defense of evidence Question and Answer Period

Assessments Formative assessments  Journal writing  Teacher Observations  Spot Check Questions  Student participation Summative assessments  Poster Presentation  Oral Defense

Where Do We Go From Here? Follow-up activities can include:  Water quality testing throughout water shed  Foul water activity  Serial dilution