1 Bling Zinger The Lead Content of Jewelry 2 Vocabulary 1 malleable 2 solder 3 artifacts 3 Bling Zinger The Lead Content of Jewelry 4 1 st Read FROM AA 1 According to the text ID: 671642
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Slide1
Brainstorm
Can jewelry make you sick?
1Slide2
Bling Zinger: The Lead Content of Jewelry
2Slide3
Vocabulary:
1. malleable
2. solder
3. artifacts
3Slide4
Bling Zinger: The Lead Content of Jewelry
4Slide5
1
st Read
FROM A-A
1. According
to the text,
in what era did lead use become common and in what structures was it used?
5Slide6
Re-read first chunk
FROM A-A
2. How was lead acetate used?
3. What did the Greek physician
Dioscorides
infer from exposure to lead?
6Slide7
Re-read second chunk
PART B - B
4
. How
important was it for the United States to remove tetraethyl lead from gasoline in the 1990’s?
5
. How does lead’s ability to rapidly enter the body
affect
the nervous system? Are these
effects
irreversible?
7Slide8
Re-
read third chunk PART C -C
6
. Explain what is meant by the statement that “lead is a cumulative poison.”
7
. How does chelation therapy help eliminate lead from the body?
8Slide9
Discussion:
Predict what the
federal or state laws may look like with regards to jewelry composition in the next 10 years.
9Slide10
3
rd Read
R
ead the entire article independently
10Slide11
Summary Writing
8. Discuss how
stringently
you think the government should regulate our exposure to lead and lead compounds, most particularly in costume jewelry
Use 3 pieces of evidence from the article to support your position.
Neatly write a 3 paragraph essay with correct spelling, punctuation and sentence structure.
11Slide12
Extend the Lesson
Performance task:
12Slide13
malleable
Definition
Characteristics
Non-examples
ExamplesSlide14
artifacts
Definition
Characteristics
Non-examples
ExamplesSlide15
solder
Definition
Characteristics
Non-examples
Examples