Unit 2 Sailing the oceans Listening课件 新人教版选修9课件

Watched birds to find land
Studied the waves of the ocean
Pacific
3. These are some Viking sailing
directions from Norway to Greenland.
Sail west but keep to the north of the
2. Listen to the tape again and fill in the chart.
Sailors from Phoenicia Norway Polynesia Sea or Ocean Mediterranean North Skills Used the sky to find their way
what will happland is close.
2. “Watch for when the sun grows.” The position of the morning sun on the horizon can help you check your course. 3. “The stars are the eyes of Heaven.”
The stars can give you information about your position and can help you “see” where you are.
4. “When the bird flies out to sea, the sea will grow calm.” Birds do not fly out to sea if a storm is coming so a bird flying away from the shore means good weather.
1. Read these words and then listen to the tape. Circle those aids that early sailors used to find their way.
compass stars currents birds maps fish movements weather waves clouds rainfall other ships mountains
Shetland Islands so you can hardly see
them in good weather.
Stay far enough south of the Faroes so
that their steep mountains are just
halfway up the horizon.
4. Polynesian seamen had traditional sayings to help them with their sailing. Can you explain what they mean?
1. “If you can read the ocean, you will never be lost.” Study the waves so that you can read
Keep south of Iceland so that you cannot see land but just coastal birds.
Follow this route and you should
reach Greenland.
Use the information from the listening to 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.