Unit 14 Zoology

             unit 14 zoology
teaching aims:
1. goals:
 talk about animal and animal behavior
 practise debating
 integrative language practice
 write an argumentative essay
2. special focus:
improve reading skills and enlarge vocabulary.
a. direct ss to read the 3 passages on the text book;
b. guide ss to learn to use the following words and expressions: adequate, apparent, assume, clarify, dots, obtain, tell…apart, transparent, get hold of, surrounding, assumption, come to light, precise, session, primitive, etc.
       c.  improve the abilities of using language by integrative language practice.
period 1  reading
 the language of honey-bees (p120-122)
step 1. warming up
task 1.  enable the students to discuss the questions on p120.
step 2. scanning
task 2. get the students to comprehend the passage quickly and accurately, and meanwhile help them to form a good habit of reading. try to find out the main clue of the story.
step 3. while-reading:
true or false:
(  ) 1. von frisch and his co-workers counted hoe many times the bees repeated the wagging dance during one hour.
(  ) 2. they discovered that the farther away the feeding station was, the faster the dance was.
(  ) 3. the number of wagging dances per minute told the direction to the feeding place.
(  ) 4. then professor von frisch did his third experiment, which was to discover whether the wagging dance showed direction.
(  ) 5. he found that the straight part of the dance was the same in the morning from what it had been in the afternoon.
(  ) 6. if the feeding place was toward the sun, the dance headed straight onward during the straight part of the wagging dance.
(  ) 7. the experiment of professor karl von frisch tells us that bees can and do communicate with each other by their dances, which may be called a kind of “language”.
suggested answers: ffftfft
step 4.  post-reading
finish all the ex. on p122
step 5. further reading
task 3: read the passage once again and try to divide the text into some big parts. and make a summary of each part:
   part 1: (para 1) some basic knowledge about bees.
   part 2: (paras 2-8) professor von frisch’s experiment.
   part 3: (the last para) the late life of professor von frisch.
step 6. homework
finish all the exercises on language practice on p123-124.