(共27张PPT)
A Journey of Discovery
外研社 英语(2019年版） 高二年级 选择性必修 第一册
Unit 5 Revealing Nature
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Learning Objectives
To learn about Darwin and his journey of discovery by reading, listening, and watching;
To develop some reading skills in narration and be able to do self-reflection in class;
To summarize Darwin's personalities creatively and learn about the spirit of scientific exploration.
This journey is believed to be monumental （不朽的）, and this discovery is considered as one of the most revolutionary（革命性的）breakthroughs of all time. Are you eager to learn more about Darwin's Journey of Discovery
Read the passage quickly and choose the main idea.
A. Darwin's interest in various living things made him a great naturalist.
B. Darwin's journey on the Beagle inspired his Theory of Evolution.
C. Darwin went on a journey to confirm his theory that humans had evolved over time.
Read for main idea
Type of writing
Narration （记叙）often means telling a single story or several related stories. If a passage is narrative, you need to focus on its facts, such as
when, where, who, what, why and how.
(5Ws , and 1H)
Listen and learn
The captain of the Beagle wanted someone who would profit by the opportunity of visiting _______________countries yet_________________.
distant
little known
Listen and learn
I must admit that luck always favors (偏爱） a brave man.
--Charles Darwin
Listen and learn
Why wasn't Darwin the captain’s first choice
Because he had left medical school without completing his degree.
And his father predicted that he would be a disgrace to himself and all his family.
Think and learn
The most important reason for my success in science is my love for science and my persistence in long-term exploration.
--Charles Darwin
on the journey
generate ideas
look for more evidence
develop ideas
publish a theory
Put in order Darwin's process of discovery
Reading tip:
In narration, you don't have to read sentence by sentence to find the information you need, follow the timeline and you'll find the answers.
come to exist
England
the birds
from a common ancestor
refused to
various living things
Fill in the blanks according to the timeline.
The Route of Darwin's Journey
on the journey
generate ideas
look for more evidence
develop ideas
publish a theory
Darwin's process of discovery
Deep thinking
Why didn't Darwin publish his Theory of Evolution until 1859, about twenty years after his discovery
Watch and learn
Why didn't Darwin publish his Theory of Evolution until 1859, about twenty years after his discovery
Because he thought his theory was______________and_______________.
undeveloped
unacceptable
Read and learn
Any achievement I made in science is due only to my long-term thinking，patience and hard work.
--Charles Darwin
Summarize Darwin's personalities and complete the chart within the group.
Think about which personality is the most important in your opinion And why
Share and learn
Share and learn
Show time
Share and learn
The way to scientific exploration and new discoveries can be rough and challenging, and you can even be misundertood or scorned （耻笑）by others. Only if you persevere and do not fear hardships, will you reach the summit（巅峰）of glory.
Self-reflection
3/2/1
I learn much about Darwin and his journey of discovery.
I know well about how to read a narrative story.
I learn about the spirit of scientific exploration am ready to apply it to my life and study.
I participate actively in this class .
Homework:
1.Read the extended material or search online to know more about Darwin and his evolution.
2.Complete your dubbing for Nature Is Speaking on Fun Dubbing (英语趣配音）and I will choose the excellent works to show in class.
Thanks for your attention
