The Effects of Environmental Lead Poisoning on Human Health James M. Buckley Jr.

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• The Effects of Environmental Lead Poisoning on
  Human HealthJames M. Buckley Jr.
• Edwards-Knox Central School

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Who are the main sufferers from lead exposure?
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Much of the lead problem is in some older homes

• Text in Arial black
• 28 point size if possible
• Nothing smaller than 24 point

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Important reasons to teach students about lead

• It is a real-life problem
• It has many ties to the curricula

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This lead unit includes thefollowing components

• Pre-test
• Trouble in the Country PBL activity
• Lead Hazards PowerPoint
• Home Lead Hazards Assessment
• Lead WebQuest
• Practice Questions
• Post-test

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• Begin the lead unit by taking 5-10 minutes to
  give the students the pre-test.

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Lead Unit Sequence

• Pre-test
• Trouble in the Country PBL activity
• Lead Hazards PowerPoint
• Home Lead Hazards Assessment
• Lead WebQuest
• Practice Questions
• Post-test

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Trouble in the Country

• We will now experience working through this PBL
  activity.

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PBL Roles

• Facilitator/Timekeeper
• Recorder
• Reader/Researcher
• Spokesperson

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Trouble in the CountryPart I The Home and
Amanda

• 5 minutes for reading and group research
• 5 minutes for reporting

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Trouble in the Country Part I The Home and
Amanda

• Complete Part I of Trouble in the Country.

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Trouble in the Country PBLPart II Dad and the
Toddler

• Reading and Research (10 min)
• Spokesperson reports research results of the
  group to the class (5 min)

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Trouble in the Country Part II Dad and the
Toddler

• Complete part two of the Trouble in the Country

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Trouble in the CountryPart III The Blood Test

• Reading and Research (10 min)
• Spokesperson reports research results of the
  group to the class (5 min)

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Trouble in the Country Part III The Blood Test

• The family doctor arranged to have the blood lead
  levels of each member of the family tested.
• The results of the blood test, with blood lead
  levels listed in micrograms per deciliter are
  listed in the table below.

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Blood Lead Level Data
Family Member Age Blood Lead Level µg/dL
Dad 32 10.2
Mom 28 6.0
Amanda 7 29.3
Meredith 2 41.8
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Trouble in the CountryPart III The Blood Test

• The "normal" blood lead level range for children
  below age 14 is 0.0 - 9.9 micrograms per
  deciliter.
• For individuals 15 and older, it is 0.0 - 24.9
  micrograms per deciliter. Questions to
  Consider1. Why could Dad have a higher
  concentration of blood lead than Mom?

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Trouble in the Country Part III The Blood Test

• 2. State some reasons Meredith would have a
  higher concentration of blood lead than Amanda.

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Trouble in the Country Part IV Call in the
Consultant

• Reading passage (3 min)
• Discussion of culminating experiences (1 min
  brainstorm/3 min discussion)

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Some Possible Culminating Experiences

1. Complete a poster listing lead sources and
   remediation.
2. Write a consultant letter to the Yobgib family.
3. Write a sequel to this story.
4. Design a video to act out this story

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Lead Unit Sequence

• Pre-test
• Trouble in the Country PBL activity
• Lead Hazards PowerPoint
• Home Lead Hazards Assessment
• Lead WebQuest
• Practice Questions
• Post-test

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PowerPoint Activities

• The PowerPoint shows specific sources of lead
  in and around the home.

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Lead Problems may be both inside and outside the
home
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Apparently Healthy Homes may also have lead
problems
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Some Lead Sources
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Whats Wrong with this Picture?
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Whats Wrong with this Picture?
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Whats Wrong with this Picture?
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Whats Wrong with this Picture?
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Lead Unit Sequence

• Pre-test
• Trouble in the Country
• Lead Hazards PowerPoint
• Home Lead Hazards Assessment
• Lead WebQuest
• Practice Questions
• Post-test

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Home Lead Hazards Assessment

• This assessment can be used with the scenario
  and pictures provided with the lesson. It does
  not have to be used in an actual home.

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Lead Unit Sequence

• Pre-test
• Trouble in the Country PBL
• Lead Hazards PowerPoint
• Home Lead Hazards Assessment
• Lead WebQuest
• Practice Questions
• Post-test

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Lead WebQuest

• The Lead WebQuest will take approximately two
  40-minute class periods.
• It consists of 17 questions.

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Lead Unit Sequence

• Pre-test
• Trouble in the Country PBL activity
• Lead Hazards PowerPoint
• Home Lead Hazards Assessment
• Lead WebQuest
• Practice Questions
• Post-test