Teacher: Zhang Yanfang
School : Zhenhai Middle School
Class : Class 2, Senior 3
Teaching
Material: Lesson 50 (Bison )
Teaching Aids:
A recorder, computer, and a projector.
Teaching
Demands and Aims:
Teaching Procedures
STEP 1 Revision
Choose
some Ss to talk about Lesson 49 with the following dates or
figures.
1524 $24 225,000 1858 1892
15,000,000
2,000,000 1900
1931
73
50,000 24 hours
1.
Find
out how much the Ss know about the central plains of America by asking some
questions.
2.
Teach
the new word Bison by using the picture in the text book and the following
pictures and tell the Ss the differences between American bison and European
bison.


American
Bison
European Bison
closed.
(1) In what ways did the settlers treat in Native
Americans unfairly ?
The settlers killed them, forced them to leave their
hunting grounds, broke agreements which they had made, forced them onto poor
land, and killed most of the bison on which Native Americans had relied for
food.
(2)
What
caused a big change in the wildlife on the plains ?
The killing of large numbers of bison changed the
whole wildlife chain on the plains.
Step 4
Practice
1. Choose some Ss
describe what they know about the bison.
(Show
the following on the screen while the Ss are talking. )
※ : Press the left key twice, the material above will be
flashed.
2.
Get some Ss to describe the picture and let the Ss get some knowledge of how
Native Americans hunted the bison.

3. Offer some topics for the Ss to discuss in pairs.
(1)
What did the settlers do to Native Americans and bison while moving westwards ?
(2)
What’s the result of killing bison ?
4. Deal with Diagram Completion.
First let the Ss complete it, then get some Ss to talk about the whole wildlife
chain of the plains according to this diagram.
5. Choose some Ss to report the discussion.
STEP 5 Workbook: Finish exercises for Lesson
50 and check the answers.
HOMEWORK: Preview
Lesson 51.