unit 3 the world online
project
teaching aims:
after learning this period, the students will be able to:
一、 learn about two search services and what should be taken into consideration while researching on the internet;
二、 use the internet to do research on a topic by using the information and instructions in the text;
三、 make a poster explaining how they have searched and what they have found.
step 1 lead-in (ppt 4)
begin the class by asking students in what ways they get information. after the discussion, arouse students’ thinking by asking them, “what is the fastest growing source of information in the world today?”
step 2 skimming (ppt 5-6)
allow the students two or three minutes to go through the text quickly to find the answers to the questions on the screen: “when using the internet to do research, you should keep some steps in mind …”
answer:
step one: choosing a search service
step two: searching for information
step three: using your information
step 3 careful reading for detailed information (ppt 7-14)
1. step one: choosing a search service
1）ask the students the following questions:
what are the two search services mentioned in the guide?
what do they both give us?
can you set some examples of search engines?
answers:
search engines and subject directories.
they both give us direct links.
google, yahoo, lycos and excite.
(2)true or false questions:
search engines are a type of computer program.
search engines present evaluated contents because the information has been checked by a person.
you need to be patient when using subject directories because the links go to the full articles or pages.
the links of the search engines are not classified by subject.
subject directories not only present correct information, but also are up to date.
answers:
t f f t f
