LESSON A

A. Vocabulary in Context
Look at the pictures and read the words.
Collocations are words that often occur togheter.

reach + conclusion
form + hypothesis
do + research

A. Vocabulary in Context

B. Vocabulary in Action Listen to the recording. Number the pictures in A in the order you first hear about them.

C. Complete each sentence with a word from the box. You won't need all the words.
-observation

-conclusion

-research

-laboratory

-results publish

-hypothesis

C

• I think I can explain this observation. I've formed a __________________.
• In the social sciences, interviews are one way to do ____________________ and collect information.
• You've been studying this for a long time. Have you reached a ________________ yet?

C

• Dr. Aguirre made an interesting _____________. Nobody had ever noticed it before.
• We have very good equipment in our __________, so researchers like to work here.
• Now that the research is completed, Dr. Leske is ready to _________________ the results.

D Grammar in Context
Study the chart.

E. Grammar in Action

• I have an uncle (who / wich) works in a laboratory.
• We made a hypothesis (who / wich) turned out to be incorrect.
• I read an article (who / that) Dr. Gallego published in a medical journal.
• My friend Teresa(who / wich) speaks French, translated the article.

E. Grammar in Action

• The professor (whom / wich) I talked to will retire after this semester.
• Einstein reached a conclusion (who / that) changed the field of physics.

F. Read each pair of sentences and write the complex sentence.

F.

• The professor told us something. It surprised everyone in the class. _________________________________________________________________________.
• I have a friend. My friend does research at the university. _________________________________________________________________________.

F.

• She gave me a book. The book had a chapter about Mario Molina. ____________________________________________________________.
• Molina did research. The research helped us to understand air pollution. ____________________________________________________________.

G. Communicate

What kind of scientists and what kind of research does the world need now? Write four sentences in your notebook.
Then tell you partner.