人教版高中英语精品课件 选修九 2.5《Unit 2 Sailing the oceans 》
Using the weather
( 1 minute )
To help identify the position of a stream or river when…
To direct their sailing
Using nature
( 5 minutes )
. Use the information to analyze the navigational skills and write the answers in 1. To find the ship’s position at sea a sailor your own words. the North Star and the sun. used _______________________. 2.A sailor knew that land was nearby if he clouds , fresh seaweed, saw__________________________ nesting birds or fog __________________________. sea currents or tides and 3.Sailors used ____________________ ______ winds to increase their speed.
2.What is the difference between a navigator and an explorer? A navigator explores the sea; an explorer discovers new places on land.
Is he a navigator or an explorer ?
Zheng He
Marco Polo
James Cook
Read about what navigation was like before modern instruments were used.
( 25 minutes )
Sailing the oceans
Page 1
Fast-reading
sail, sailor, voyage, latitude, longitude, equator, horizon, captain, land island, nautical middles, explore, exploration…
seaman, seaweed, seafood, shore, offshore, onshore, beach, beach-ball, seabed, sea-bird, seagull, sea shell, seaside, sea water, seasick, coast, coastline, tide, wave, current…
( 10 minutes )
to get the general idea.
Using nature
Using celestial bodies
( 1 minute )
Keeping alongside the coastline Using wildlife
Using the weather Using the sea
( 5 minutes )
early navigational instruments
compass
Astrolabe(星盘) navigators
Sextant(六分仪)
sea/nautical chart
1.What is a navigator?
A navigator explores new routes across the sea.
Page 2
Fast-reading
( 10 minutes )
to get the general idea.
then answer the questions.
Using navigational instruments
( 2 minutes )
1. Finding longitude the compass 2. Finding latitude the bearing circle
( 5 minutes )
Sailing
Arctic Ocean
Pacific Ocean Indian Ocean
Atlantic Ocean
Question: How many oceans are there in the world ?
world map exploration
Write down the words you know, which are related to navigation and sea .
Zheng He
He made seven voyages during his lifetime and contributed greatly to the science of navigation in China.
How do you think seamቤተ መጻሕፍቲ ባይዱn found their way before modern accurate methods of navigation were invented ? How did they navigate so well ?
Using celestial bodies ( 2 minutes )
to plot the positions to work out the latitude a special cloud formation indicates there is land close by
Using wildlife
( 1 minute )
If seaweed was fresh and smelled strongly, the ship was close to land.
Sea birds could be used to show the way to land when it was nowhere to be seen.
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人教版高中英语选修9课件 Unit 2《Sailing the oceans》课件
拓展 exploration n. 探险；探测 explorer n. 探险者
练习 请根据中文完成英文句子。 ⑴ 我们想探索的一件事是他们如何 研究出这些化学知识。 we want to explore One thing ___________________ is how they developed their knowledge of chemistry.
4. deposit n. 存款; 定金; 沉淀物vt. 存放; 堆 积vi. 沉淀
例句: He deposited office. 他把箱子放在行李寄存处。
The Nile floods the fields and deposits mud on them. 尼罗河泛滥, 在田野上淤积一层泥。
1. explore vt. 探究；探险；探测；浏览 例句: The experts are exploring every part of the island. 专家们正在勘查这个 岛的各个部分。 He had an itch to get away and explore. 他等不及要动身去探险。
5. reckon v. 计算; 认为, 估计; 指望 例句: We reckon him to be the best goalkeeper in the world. 我们认为他 是世界上最好的足球守门员。 搭配: reckon on指望；依赖
练习 指出划线部分的汉语意思。 ⑴ I reckon this will be a hot summer. 估计 ) (意思: ______
拓 accelerated adj. 加速的 展 acceleration n. 加速; 促进; 加速度
搭配
accelerated motion n. [物]加速运动 accelerate key 快捷键
高中英语 Unit2《Sailing the Oceans》课件5 新人教版选修9
What is the difference between a navigator and an explorer?
Navigator
sea
nautical instruments
find new islands or continents
Navigator is somebody who finds the position and plots the course of a ship using maps and instruments.
Chinese culture, but also developed
many trade links with the other countries.
Marco Polo was the only person to provide information about China to the outside world. His journey around Asia lasted 24 years. He reached further than any of his predecessors, travelling beyond Mongolia and into China. Finally he wrote his adventures down and his book was published and became a
sextant
The sextant is a navigational instrument for measuring the angle between the horizon and some object in the sky.
quadrant
nautical chart
高中英语 Unit2《Sailing the oceans》Textbook课件 新人教版选修9
3 What would you do if you came across the following problems during your voyage? Read the chart below and fill in your plans of action to deal with them.
2 What problems would you anticipate for this journey?
I would anticipate very hot weather (around the equator), cold weather (around the Cape of Good Hope), very stormy seas (around the Cape), and problems with food and water (unless helped by local natives the water may be contaminated and the food scarce), etc.
Explorer
land use of compass and
landmarks find new places within an
already identified island or continent
Explorer is someone who travels into or through a place in order to learn about it.
3 Sailors used _se_a__c_u_rr_e_n_ts__o_r_ti_d_e_s_a_n_d__w_i_n_ds to increase their speed.
人教版高中英语选修9课件：Unit 2 Sailing the oceans Learning about language(共26张PPT)
ቤተ መጻሕፍቲ ባይዱ
Sea seaman, seaweed, seafood, shore, offshore, onshore, beach, beach-ball, seabed, sea-bird, seagull, sea shell, seaside, sea water, seasick, coast, coastline, coastal, tide, wave, current …
Suddenly, as Samuel looked, an enormous bird swooped down and picked him up as awkward parcel. It if he were a/ an _________ accelerated its speed and rose straight up __________ into the air so as to reach the precise ______ place on the rocks where its nest lay. Once there, it shook itself and threw Samuel in the approximate direction of the nest. ____________
1. Replace the words underlined by ones of similar meaning from the reading passage.
1) Seeing the dark clouds above him, George hurried for home. overhead 2) Sailing a boat alone far away from the shore made Flora’s parents worry about her safety. offshore
Sea seaman, seaweed, seafood, shore, offshore, onshore, beach, beach-ball, seabed, sea-bird, seagull, sea shell, seaside, sea water, seasick, coast, coastline, coastal, tide, wave, current …
Suddenly, as Samuel looked, an enormous bird swooped down and picked him up as awkward parcel. It if he were a/ an _________ accelerated its speed and rose straight up __________ into the air so as to reach the precise ______ place on the rocks where its nest lay. Once there, it shook itself and threw Samuel in the approximate direction of the nest. ____________
1. Replace the words underlined by ones of similar meaning from the reading passage.
1) Seeing the dark clouds above him, George hurried for home. overhead 2) Sailing a boat alone far away from the shore made Flora’s parents worry about her safety. offshore
人教版高中英语选修9课件 Unit 2 Sailing the oceans-Listening 课件
WM: Did he find any new lands to live on? DS: Well, he did find a good way of sailing from the Faroe Islands to Iceland using his ravens. It’s said that he took three birds on his ship with him. When he’d been sailing for a day or two towards Iceland he let the first bird go.
explain these sailing strategies.
1. Vikings used to prefer to sail following
the coastline so they could check that
they were on the correct route.
2. Vikings used birds, and natural features like mountains, to direct their ships.
Zheng He remarks how much the foreign kings liked porcelain and silk. 1. He brought a giraffe for the Emperor from Africa. 2. He brought scarves of fine gold decorated with pearls and precious stones.
WM: That sounds clever! I’ve heard too about the Polynesians in the Pacific Ocean. They did some amazing voyages without any navigational instruments to help them at all. How did they do that? DS: Nobody’s really quite sure.
高中英语 Unit2Sailing the oceansTextbook课件 新人教选修9
fresh seaweed, nesting birds returning
home in the evening or fog
sea currents or tides and winds
use the compass and the astrolabe, quadrant or sextant to find out your position, return to your former course
You were offshore but you needed more food and water.
2
2 What problems would you anticipate for this journey? I would anticipate very hot weather (around the equator), cold weather (around the Cape of Good Hope), very stormy seas (around the Cape), and problems with food and water (unless helped by local natives the water may be contaminated and the food scarce), etc.
compass (in ancient China)
astrolabe
sextant
sea / nautical / marine chart
Read the passage and answer the following questions. 1 What is the use of a bearing circle, astrolabe, quadrant or sextant? ( ) What is the use of a compass? ( ) A to set the course of the ship B to measure the position of the ship C to measure the speed of the ship D to tell the time
home in the evening or fog
sea currents or tides and winds
use the compass and the astrolabe, quadrant or sextant to find out your position, return to your former course
You were offshore but you needed more food and water.
2
2 What problems would you anticipate for this journey? I would anticipate very hot weather (around the equator), cold weather (around the Cape of Good Hope), very stormy seas (around the Cape), and problems with food and water (unless helped by local natives the water may be contaminated and the food scarce), etc.
compass (in ancient China)
astrolabe
sextant
sea / nautical / marine chart
Read the passage and answer the following questions. 1 What is the use of a bearing circle, astrolabe, quadrant or sextant? ( ) What is the use of a compass? ( ) A to set the course of the ship B to measure the position of the ship C to measure the speed of the ship D to tell the time
高中英语 Unit 2 Sailing the oceans Listening exerc
WM: The Vikings? Didn't they sail around and _a_tt_a_c_k_ people and towns from their ships?
DS: Sometimes. But we're not _in_t_e_r_e_st_e_d_ _i_n_ that, only in their superior in the daytime and the stars at night. But very soon they began to _d_e_v_e_lo_p_ local maps. About 5,000 years ago sailors from Phoenicia in North Africa used simple maps to __g_u_id__e_ their ships around the Mediterranean Sea. They were the __b_e_s_t _ traders of their day.
It _f_le_w_ back to the Faroe Islands. A day after this he let the second bird go. This flew out of sight but _ca_m__e_ b__a_ck_ to rest on the ship. Sometime after that, he let the third bird go. It _h_e_a_d_e_d_ straight for Iceland so Raven-Floki followed it and arrived there _sa_f_e_ly_.
WM: I see! So what did they do? DS: Well, one of the things they did
高中英语 Unit2Sailing the oceans-Reading课件 新人教选修9 公开课精品课件
3. Read the chart below and fill in your plans of action to deal with them.
What would you do Plan of action if :
You were far from land and a storm arose.
off-course.
and the astrolabe ,
quadrant or sextant
to find out your
position , return to
your former course.
What would you do Plan of action
if :
You were offshore but you needed more food and water.
sextant
The sextant is a navigational instrument for measuring the angle between the horizon and some object in the sky. First a sailor looks at the horizon through an eyepiece. At the same time he can see light from the sun or a star reflected off a small mirror on top of the instrument, onto a second mirror and into the eyepiece.
the sextant mean the same thing?
Comprehending
高中英语 Unit 2 Sailing the oceans课件 新人教版选修9
Unit 2
Sailing the oceans
• James Cook was born in 1728 in Marton，England.His father， a Scottish migrant farm worker，allowed James to work on coal －carrying boats at eighteen.Cook spent his free time learning math and navigation.This led to his appointment as mate (大 副)．
• Cook’s explorations greatly increased European knowledge of the world.As a ship captain and skilled cartographer，he filled in many gaps on world maps.His contributions to eighteenth century science helped further exploration and discovery for many generations.
• The Second Voyage.
• The Royal Navy promoted James Cook to Captain following his return and had a new mission for him，to find the Unknown Southern Land.Cook led two ships and headed to Cape Town in July,1772.He proceeded south from Africa and turned around after encountering large amounts of floating pack ice.Actually he came within 75 miles of the Antarctica at that time.But he found no habitable southern continent and arrived back in Britain in July,1775.
Sailing the oceans
• James Cook was born in 1728 in Marton，England.His father， a Scottish migrant farm worker，allowed James to work on coal －carrying boats at eighteen.Cook spent his free time learning math and navigation.This led to his appointment as mate (大 副)．
• Cook’s explorations greatly increased European knowledge of the world.As a ship captain and skilled cartographer，he filled in many gaps on world maps.His contributions to eighteenth century science helped further exploration and discovery for many generations.
• The Second Voyage.
• The Royal Navy promoted James Cook to Captain following his return and had a new mission for him，to find the Unknown Southern Land.Cook led two ships and headed to Cape Town in July,1772.He proceeded south from Africa and turned around after encountering large amounts of floating pack ice.Actually he came within 75 miles of the Antarctica at that time.But he found no habitable southern continent and arrived back in Britain in July,1775.
人教版高中英语选修九unit2sailingtheoceans单元课件(共112张PPT)
2尤指考察某一地理区域的人) explore v. 探险, 探测, 探究 exploration n. 探险, 探测
His mother is a arctic explorer. 他妈妈是一个到北极探险考察的人。
We must explore all the possibilities for the solution of the problem. 我们必须探讨解决这个问题的所有可 能性。
going to do sth. and plan a good way of doing it 精心制定出，安排
eg.
⑴ See if you can work out this bill
out.
计算
⑵ The plot is so complicated that it’ll
take you a while to work it out.
在经纬度未能绘出航船在地图上的 位置之前，我们很想知道航海员是怎样 在海上探险的。
① may/might well 很可能，极有可能 These are excellent photographs and we
Language points in reading 1
1.navigator n. 导航者,领航员 navigate vi. 航行, 航海, 航空 vt. 航行于, 驾驶, 操纵, 使通过
They navigated with difficulty through
the crowd. 他们在人群中坚难行进。 navigation n. 航海，航行 navigational adj. 航海的，航行的
Unit 2 Sailing oceans
1. I believe he is an honest man,___Is_n_’t_h_e_?____