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Science Time

Science Time

Program Content for January 21, 2015

Read the article “Kennewick Man’s DNA likely that of a Native” on page A1 of the Sunday, January 18, 2015 edition of The Seattle Times.

Pre-reading and Vocabulary: Define each term and then use it in a sentence to demonstrate your understanding.

 

1.      genetics

2.      DNA

3.      indigenous

4.      ancestor

 

Comprehension Questions

1.      How long ago and where was Kennewick Man discovered?  

2.      Of what heritage does Kennewick Man belong?  

3.      How old is Kennewick man’s skeleton?  

4.      Describe the two sides of the legal battle surrounding Kennewick Man.  

5.      What is a Paleoamerican?  

6.      In what way would establishing Kennewick Man as an ancestor to Native Americans influence the origins of the New World’s indigenous people?

7.      What name have Native American tribes given to Kennewick Man?  

8.      What scientific conclusion upset Native American tribes when Kennewick Man was first discovered?

9.      Did this conclusion changed after a more recent skull analysis?  Explain your response.  

10.    Why did the scientist who originally though Kennewick Man was Caucasian change his mind?  

11.    Why have recent attempts to sequence Kennewick Man’s DNA been more successful than those that have occurred in the past?  

 

Prompts and Extensions

1.      The evidence that lead some scientists to believe Kennwick Man is or is not related to Native Americans is either physical (based on appearance) or molecular (based on DNA).  Create a table that classifies each type of evidence presented in the article as such.  When finished explain which evidence (physical or molecular) you believe to be more accurate.  Provide an explanation for your response.

2.      Watch this 60 Minutes news story about the original finding of Kennewick Man and the controversy surrounding its origins.

3.      Many scientists believe that Kennewick Man should be studied to answer questions about human ancestry while many members of Native American tribes feel he should be reburied as soon as possible.  Whose position do you support?  Explain the reasoning behind your response.

4.      A number of different science related jobs are listed in the article.  Choose one from the list provided and detail what this profession entails.  Geochemist, Molecular Anthropologist, Geneticist, Physical Anthropologist.

  

Science Time is posted to the Web on Wednesdays. Please share this NIE Science Time program with other teachers. To sign-up for the electronic edition for your class, please register

Copyright © 2015 The Seattle Times Company

Program Content for January 14, 2015

Read the article “Bacteria may not resist novel drugon page A1 of the Thursday, January 8, 2015 edition of The Seattle Times.

 

Pre-reading and Vocabulary: Define each term and then use it in a sentence to demonstrate your understanding.

1.     antibiotic

2.     resistant

3.     microbe

4.     colony

 

Comprehension Questions

1.     What are two global problems that may be solved by an unusual method for producing antibiotics?

2.     Describe how the method for producing antibiotics takes place.  

3.     What is the name of the new drug?

4.     What are two benefits to this new drug?

5.     What other possible benefits does the method used to develop this new drug have?

6.     When might this new drug be available for use in humans?

7.     Why are some scientists cautious about not getting too excited about this new drug?  

8.     How big of a problem are drug-resistant bacteria?  

9.     What is the biggest challenge to finding new drugs to fight disease-causing organisms that have become resistant to many existing drugs?  

10.  Explain how the scientists who developed the new drug were able to overcome the challenge in the previous question.  

11.  What infections was the new drug able to kill?  

12.  How does the new drug work?  

 

Prompts and Extensions

1.     Watch this news report and read this associated article to learn more about teixobactin.

2.     Complete research on one of the infections (staph, strep, anthrax, and tuberculosis) that are able to be killed by teixobactin.  Report on what happens during an infection and how it is currently treated.

3.     Watch this video about the discovery of penicillin, the world’s first antibiotic.

4.     Antibiotic resistance is not only a problem, but also a lesson in evolution.  Watch this TedEd video clip to see why.

Science Time is posted to the Web on Wednesdays. Please share this NIE Science Time program with other teachers. To sign-up for the electronic edition for your class, please register

Copyright © 2015 The Seattle Times Company

 

 


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