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Connecticut Brownfield Sites. CAPT- Science, Technology, & Society Curriculum Embedded Performance Task Strand III: Global Interdependence. Background. More than 290 sites in Connecticut have been identified as “ Brownfield Sites .”

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connecticut brownfield sites

Connecticut Brownfield Sites

CAPT- Science, Technology, & Society

Curriculum Embedded Performance Task

Strand III: Global Interdependence

background
Background
  • More than 290 sites in Connecticut have been identified as “Brownfield Sites.”
    • These are parcels of property once used for industrial, commercial or manufacturing and are now typically abandoned due to suspected contamination.
      • Often these unused parcels adversely affect the quality of living in the area and may pose potential health risks to local citizens.
      • Financial assistance is available from the state and federal governments to assess and remediate these sites.
task id a brownfield site
Task-ID a Brownfield Site…
  • Find a nearby CT Brownfield site by clicking on the Brownfield Inventory link found at the Connecticut Department of Environmental Protection’s website:
    • http://dep.state.ct.us/wst/remediation/brownfields/brownfields.htm (main page)
    • http://www.ct.gov/dep/lib/dep/site_clean_up/brownfields/brownfieldsinventory.pdf (direct to inventory)
    • What has the property been used for that led it to being identified as a Brownfield site?
      • Use a search engine such as Google to research one of the potential contaminants at the site.
        • Some major contaminants & their possible sources are given on the next slide to help you.
task ask a design an investigation
Task-Ask a ? & Design an Investigation
  • Formulate an experimental question about a Brownfield site that may be answered through a scientific investigation.
  • Design an investigation that would enable you to answer your question.
    • Formulate a general procedure for exploring the effect the contamination may have on the site or nearby property.
      • Do not worry about the specific steps needed to isolate the contaminant or specific techniques used to measure the contaminant’s effect on the environment.
      • Focus on writing a general plan for your investigation including the independent and dependent variables to be studied, general procedures you will follow and the data you will collect. Include a control group if appropriate.
possible investigation ideas
Possible Investigation Ideas
  • Design an investigation that focuses on one specific chemical &:
    • its contamination plume at the site.
      • You will want to consider:
        • where the sampling will occur (water, soil, air)
        • the number of test sites
        • distances from the source
        • etc.
    • its influence on one species in the area.
      • You will want to consider:
        • which plant or animal you want to study
        • what type of effect you are looking for in that plant or animal (Ex. concentration of contaminant in relation to height, weight, etc.)
        • etc.
example
Example
  • What has the property been used for that led it to being identified as a Brownfield site?
  • What are some possible major contaminants at this site?
example1
Example
  • What could we ask as our experimental question? (What problem do we want to investigate?)
  • Formulate a hypothesis… (Make an educated “guess” as to what the outcome may be.)
    • Use this format: If…, then… because.
example2
Example
  • What is your independent variable?
  • Identify your dependent variable?
  • What is your control? (your basis for comparison)
  • What factors are you keeping constant? (What are you keeping the same throughout your experiment?)
example3
Example
  • What general procedures you would follow to conduct your investigation? (list steps)
  • Now it’s your turn…
grading
Grading
  • Total = 20 points
    • Experimental Question = 4 points
    • Hypothesis = 4 pts
    • Identify your Independent Variable = 2 points
    • Identify your Dependent Variable = 2 points
    • Identify your Control & Constants = 2 points
    • General Procedures for conducting your investigation = 6 points
learn more
Learn More
  • Article: “The Mad Hatter’s Legacy”