Brainstorm Can jewelry make you sick? - PowerPoint Presentation

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Brainstorm

Can jewelry make you sick?

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Bling Zinger: The Lead Content of Jewelry

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Vocabulary:

1. malleable2. solder3. artifacts

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Bling Zinger: The Lead Content of Jewelry

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1st ReadFROM A-A

1. According to the text, in what era did lead use become common and in what structures was it used?

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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?

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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?

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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?

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Discussion:

Predict what the federal or state laws may look like with regards to jewelry composition in the next 10 years.

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3rd Read

Read the entire article independently

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Summary Writing

8. Discuss how stringently you think the government should regulate our exposure to lead and lead compounds, most particularly in costume jewelryUse 3 pieces of evidence from the article to support your position.Neatly write a 3 paragraph essay with correct spelling, punctuation and sentence structure.

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Extend the Lesson

Performance task:

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malleable

Definition

Characteristics

Non-examples

Examples

artifacts

Definition

Characteristics

Non-examples

Examples

solder

Definition

Characteristics

Non-examples

Examples