PARAGRAPH 1 (100 words) – An introductory paragraph

Clearly and concisely states the paper’s purpose, which is engaging, and thought 

provoking. Your introductory paragraph should answer these two questions: 1) What is 

the nature of the work (type, purpose) and what is the primary message(s) of this work?

2) What problems is the author trying to solve and what are the primary issues that the 

author is addressing?

Analyze the following disciplines and their role in discovering that a meteor hitting the earth may have caused the extinction of the dinosaurs as featured in the article.

PARAGRAPH 2 (100 words) – Dr. Luis Alvarez is a physicist. Physics, 

geology, and chemistry all played an important role in discovering that a 

meteor colliding with the earth, may have caused the extinction of the 

dinosaurs. What role did physics play in making that discovery?

PARAGRAPH 3 (100 words) – Dr. Walter Alvarez is a geologist. Physics, 

geology, and chemistry all played an important role in discovering that a meteor 

colliding with the earth, may have caused the extinction of the dinosaurs. What 

role did geology play in making that discovery?

PARAGRAPH 4 (100 words) – Drs. Frank Asaro and Helen Vaughn Michel are 

chemists. Physics, geology, and chemistry all played an important role in 

discovering that a meteor colliding with the earth, may have caused the 

extinction of the dinosaurs. What role did chemistry play in making that 

discovery?

WRITING TIP: Do NOT write a summary or “book report” of the article. That is NOT the purpose of a 

critical analysis essay.