Unit 13 The Water Planet教案
2) what happens to the mariner?
3) why is the person telling the story?
4) who is the person actually?
ii. while-listening
1. reflection: what do you learn from this story?
－everything existing in the world has their own certain values, we should understand and respect them.
2. creation
work with partner and try to come up with a good, scary story like the one about the mariner.
homework
1. preview integrating skills “nature’s nursery: estuaries” on page 22
period 3 integrating skills
teaching goals:
1. to get students to know what estuaries are and their functions
2. to learn to write an explanation paragraph
teaching procedures:
i. lead-in
look at the map of china, answer these questions:
1. can you name the three cities marked on the map? where are they? (chongqing, shanghai, dalian )i
2. how much do you know about them? is the economy there well-developed or not?
3. which city is the most developed? why?
now let’s look at this map and then answer the following questions:
1. can you tell what map it is? where is it?
2. is the water here salty or fresh?
3. what’s the place called where river and the ocean meet?
ii. while-reading
1. skimming
1) find out the definition of estuary.
(an estuary is the body of water where a river meets the ocean. salt water from the ocean and fresh water from the river mix together in an estuary. this mixing of fresh and salt water creates a unique environment filled with life of all kinds---- a zone between the land and sea.)
2) what functions of estuaries have been mentioned in the passage?
(great places for nature’s young animals clean our water by absorbing nutrients and pollutants from water coming from inland sources; provide both recreation and education for human beings.)
3) discussion.
what living conditions do you think are needed for nature’s young ones?
do estuaries have such conditions for them?
2. discussion
what living conditions do you think are needed for nature’s young ones?
do estuaries have such conditions for them?
3. scan the passage and answer the following questions.
• why are estuaries such good places for nature’s young ones?
• what does “density” mean in this passage?
• how do estuaries affect the water that passes through them?
• why are estuaries more sensitive to pollution than other areas?
• why are estuaries important to human beings?