人教版（2019）选择性必修二 Unit 1 Science and Scientists Assessing Your Progress & Project课件(共19张PPT)

(共19张PPT)
人教版（2019）选择性必修二
Unit 1 Science and Scientists
Assessing Your Progress & Project
Assessing Your Progress
Learning objectives
By the end of this section, you will be able to:
1. check and consolidate what you have learnt in this unit when it comes
to vocabulary, such as brilliant, solid, and microscope;
2. check and consolidate what you have learnt in this unit when it comes
to grammar—the predicative clause;
3. improve your ability of self-evaluation and reflection.
Complete the passage with the correct forms of the words below.
brilliant solid microscope finding contradictory gift astronomer theory
The scientist’s main task is to discover how things work in the universe. But few scientists have placed themselves under the __________. So even though the __________ scientific method, which mainly includes hypotheses, data collection, and statistical analysis, is written down, the method by which scientists come to __________ conclusions is hard to identify. Two of the essential qualities a scientist needs to have seem to be curiosity and creativity. People who are curious usually have a mixture of seemingly _____________ desires: They are looking for originality and yet they also want everything in its proper place. To settle the conflict between statistics and __________, scientists often have to be creative, and think outside the box — approach the problem from different directions. They must have a vivid imagination and a strong intuition in order for new _________ to be made. It echoes something the __________ Carl Sagan once said. He believes that every child “starts out as a scientist” and every child is __________ with the “sense of wonder and awe”.
microscope
brilliant
solid
contradictory
theory
findings
astronomer
gifted
Fill in each blank with a word or expression that introduces a predicative clause.
Science is simply ________ you can do. And doing science makes you a scientist! So, what do scientists do Actually, what matters is not only ________ they observe in the world around them and what questions they ask, but also ________ they use evidence or data to answer the questions. They identify useful data and take new measurements. Some of the key issues that scientists face are ________ calculations they do and ________ they analyse their data to draw conclusions about the questions they ask. The final issue, which many believe to be the most important, is ________ they need to communicate their results. This is ________ they want everyone to benefit from their work! It seems ________ science is all around us. You see, by doing science, scientists get a better understanding of the world around them and share that understanding with the whole world.
what
what
how
what
how
why
because
that/as if
REFLECTING
What new ideas did you learn about science and scientists from this unit
What new vocabulary and structures did you learn in this unit How well can you use them Did you use any of them in your language activities
Do you think the “asking questions” strategy was useful in understanding the texts
What problems did you or your friends have with this unit How did you solve the problems What advice did you give each other
Overall, I thought this unit was interesting useful so-so difficult.
Workbook
1. to have a natural ability to do sth well
2. to deal with
3. hard or firm
4. to throw sb/sth somewhere with force
5. a person who helps sb else in his/her job
6. to think that sb is responsible for sth bad
7. to become less in number or amount
8. a weapon that travels through the air and
explodes when it reaches its target
9. not mixed with anything
10. to change the form of sth
Complete the crossword puzzle leadership talent according to the clues given.
g
i
f
t
e
d
h
a
n
d
l
e
b
l
a
m
e
c a s t
s o l i d
a
s
s
i
s
t
a
n
t
d e c r e a s e
t r a n s f o r m
m
i
s
s
i
l
e
p u r e
☆theoretical background ☆professional knowledge
☆leadership ☆talent
☆imagination ☆devotion
☆determination ☆creativity
☆logical reasoning ☆inspiration
☆research methods ☆statistical ability
What do you think a great scientist needs most Rank the following in order of importance and compare your list with your partner’s.
initial outstanding gifted astronomer telescope shift subscribe prove link
Complete the passage with the correct forms of the words below.
Edwin Powell Hubble, born in 1889 in Marshfield, Missouri, spent his early years in the state of Kentucky. Afterwards, he moved with his family to Chicago and attended the University of Chicago, where he studied mathematics and astronomy and soon proved to be ________ in these subjects. At the Mount Wilson Observatory, Hubble studied objects within our own galaxy using a ________ with a mirror of one hundred and fifty-two centimetres in diameter. His ________ discovery was the finding of a Cepheid variable star (造父变星) in the outer area of a nebula (星云). He ________ that nebulae were galaxies themselves, and thus, astronomers now ________ to the view that distant galaxies do exist. He then made more observations of forty-six galaxies that were travelling away from Earth with speeds that were ________ directly to the galaxies’ distance from Earth. Hubble discovered the scientific rule — now called “Hubble’s Law” — that the farther away a galaxy is, the greater its speed. As one of the most important ___________, he devoted himself to galaxies, which led to many ___________ discoveries in the fields of extragalactic astronomy and observational cosmology. Hubble’s efforts led to a(n) ________ in the understanding of how our universe works and develops.
gifted
telescope
subscribe
proved
initial
linked
astronomers
outstanding
shift
Project: Think outside the box
Learning objectives
By the end of this section, you will be able to:
1. create an unusual invention;
2. explain how and why your invention is useful;
3. improve your ability of evaluation and appreciation during presenting
your invention.
Preparation
Discuss these questions in groups.
What is the purpose of each invention
Why is the invention unusual
Choose one of the inventions, and brainstorm as many reasons as you can to explain how and why the invention is useful.
Choose one of the inventions, and brainstorm as many reasons as you can to explain how and why the invention is useful.
What is the giant shark-fin fastened around the goldfish used for
Since inventions are meant to solve real world problems, what kind of problem do you think this invention is trying to solve
For example, we can take this invention as an example and brainstorm.
Divide the following tasks within your group. Create your product and present it to your class.
Presentation
Task 1: write down ideas for the invention
Task 2: serve as the presenter for the product/invention
Task 3: make props and pictures for the invention
Presenter: Does your goldfish suffer from low self-
confidence Is he afraid to go out into deep
water Do female goldfish refuse to return
his calls Then you can buy him our new
Goldfish Shark-Fin! For just 999 yuan, you
can turn your goldfish into a real go-getter!
Woman: Since I bought the Goldfish Shark-Fin for
my Henry, he has turned into a new fish!
Now he swims with the big fish! I’m so
proud of him!
Presenter: You too can change the life of your fish! For
just 999 yuan! Hurry! Buy it today!
Example
Presenter: Do you have trouble getting to class on time Feel tired of walking to work
Do you need some more zip in your step Then try our new Rocket Roller
Skates. Just strap on the rocket pack, put on your AI self-driving roller
skates, and you’re off!
Man: Since I bought the Rocket Roller Skates, I am never late for anything. And
the AI self-driving system is a dream! I can even take a nap while zipping
through traffic. It’s such a dream!
Presenter: You don’t ever have to be late again! For just 999 yuan! Hurry! Buy it today
before supplies run out!
Sample Answer
As a class, vote on the best product/invention.
Evaluation
Group presentation checklist
Logic Clear Yes No
Organised Yes No
Inclusive Yes No
Language Fluent Yes No
Abundant in vocabulary Yes No
Using the target grammar of this unit Yes No
Inspirational Yes No
Delivery Proper voice and emotion Yes No
Good interaction (eye contact) with the audience Yes No
Cooperation Showing good teamwork Yes No
Revise the words and grammar of the unit based on your self-evaluation.
Create your own product and present it to your class.
Homework