内容正文:
Unit 4 Inventions
Cross-curricular connection
1
02
03
Learning objectives
By the end of this lesson, I can:
01
understand and use vocabulary related to inventions and the steam engine;
read and understand the development of the steam engine and extract key information to create a timeline;
recognize the role of the steam engine in the Industrial Revolution, connecting science with history.
Watch the video and discuss:
What is this?
What was it used for?
Who invented it?
3
New vocabulary
[ˈpɪstən]活塞
[ˈsɪlɪndə(r)]
(发动机的)气缸
[ˈbɔɪlə(r)]
锅炉,汽锅
cog
[kɒɡ]
齿轮
locomotive
[ˌləʊkəˈməʊtɪv]
机车;火车头
New vocabulary
horsepower
[ˈhɔːspaʊə(r)]
马力
New vocabulary
Vocabulary test
(1) piston A. a container that heats water to make steam
(2) cylinder B. a metal plate that moves back and forth because of steam
(3) boiler C. a tube where steam pushes the piston
(4) steam engine D. a wheel with teeth to help machines move
(5) cog E. a part of a train that pulls the train
(6) locomotive F. an engine that changes heat into moving power
B
C
A
F
D
E
While-reading
Who invented the first steam engine?
What did James Watt do?
How did the steam engine help the Industrial Revolution?
Tips:
Read silently
Answer the questions in groups
Who invented the first steam engine?
What did James Watt do?
Thomas Newcomen
He simply improved on Thomas Newcomen’s original design.
While-reading
3. How did the steam engine help the Industrial Revolution?
James Watt added wheels and cogs to the steam engine, which made the steam engine useful in train locomotives and steamboats. In this way, his invention played a huge role in the Industrial Revolution.
While-reading
Mission: Create a Steam Engine Timeline
Invention
Improvement
Significance
(1)________ invented the first steam engine in (2)____. It helped people (3)_______.
v
(8)___ were added to the steam engine by (9)______ and it was useful in (10)_____ and (11)___. The invention played a huge role in (12)_____.
(4)___ improved on the original design. His improvement increased the (5)_____ of the engine. This new steam engine could (6)_______, and it could also (7)______.
While-reading
(4)____________ improved on the original design. His improvement increased the (5)_______ of the engine. This new steam engine could (6)_____________________, and it could also (7)____________________.
(1)__________________ invented the first steam engine in (2)______. It helped people (3)_______________________ ______________________________.
(8)________________ were added to the steam engine by (9)______ and it was useful in (10)________________ and (11)___________. The invention played a huge role in (12)______________________.
Thomas Newcomen
1712
mine for metals and coal at greater depth
James Watt
power
power trains and ships
be used in factories
Wheels and cogs
Watt
steamboats
train locomotives
the Industrial Revolution
Invention
Improvement
Significance
v
Mission: Create a Steam Engine Timeline
While-reading
James Watt, improved, Newcomen’s original design, increased power, more uses, power trains, power ships, factories
Thomas Newcomen, 1712, the first steam engine, piston, cylinder, boiler, mine metals, coal (greater depths)
added wheels, cogs, steam engine, train locomotives, steamboats, Industrial Revolution, played a huge role
Invention
Improvement
Significance
v
While-reading
Retell the passage
While-reading
Retell the passage
Thomas Newcomen and the first steam engine Thomas Newcomen, 1712, the first steam engine, piston, cylinder, boiler, mine metals, coal (greater depths)
Watt’s improvement of Newcomen’s design James Watt, improved, Newcomen’s original design, increased power, more uses, power trains, power ships, factories
Steam engine & Industrial Revolution added wheels, cogs, steam engine, train locomotives, steamboats, Industrial Revolution, played a huge role
Read “Interesting Facts” and think:
What’s the relationship between James Watt, “horsepower” and “Watt”?
James Watt invented the term “horsepower”.
The unit of power known as the “watt” is also named after James Watt.
While-reading
Post-reading
Read and think
Is it necesssary for people know who actually invented the steam engine?
Watch and think about why the steam engine is important.
Post-reading
My Progress Check
I can:
understand and use vocabulary related to inventions and the steam engine;
read and understand the development of the steam engine and extract key information to create a timeline;
recognize the role of the steam engine in the Industrial Revolution, connecting science with history.
Assignment
Compulsory:
Write a short paragraph (5–7 sentences) about another invention you know (e.g., telephone, light bulb). Describe its development and importance.
Optional:
Draw a timeline for that invention based on your research.
Thank you!
20
Lavf57.71.100
Packed by Bilibili XCoder v2.0.2
Blues
113244.055
Lavf58.29.100
Packed by Bilibili XCoder v2.0.2
$