"Yellow River Elephant" PPT courseware 3

Description

"Yellow River Elephant" PPT courseware 3

learning target

1. Understand the relevant situation of the Yellow River elephant skeleton fossil and scientists’ imagination of the origin of this fossil

2. Understand the orderliness of the imaginary part about the origin of the Yellow River elephant fossils in the article

New word pass

1. Ostrich (tuó)

2. Ellipse (tuǒ)

3·silt (yū)

4. Running water does not rot (fǔ)

Text analysis

The first part (paragraph 1) introduces the appearance and shape of the elephant skeleton

In the Paleontology Hall of the Beijing Museum of Natural History, there is an elephant skeleton on display. This is the fossil of the ancient Yellow River elephant skeleton. The elephant skeleton is four meters high and eight meters long. Except for the tail vertebrae, it is all assembled from fossil bones.

Highlight tall features

Look, in front are the large tusks more than three meters long, followed by the skull and lower jaw, and even the hyoid bone, which is difficult to find, is preserved. Among the more than one hundred toe bones, not even the three to four centimeters long terminal phalanx was lost.

well-preserved

It is rare in the history of the discovery of elephant fossils that the skeleton of an ancient Yellow River elephant can be preserved so completely. People standing in front of the skeleton seem to see an elephant running forward with its head held high.

Lead to the following

The second part (paragraphs 2~~5) describes scientists’ assumptions about the origin of elephant fossils

Scientists hypothesize the origin of this Yellow River elephant fossil. One day two million years ago, the sky was cloudless, the sun was scorching the earth, and the grass seemed to be burning.

To pave the way for what follows

A few oak trees stood motionless, and groups of antelopes and ostriches walked around. A meandering river flows slowly to the southeast.

Provide possibilities for distress

A group of Yellow River elephants, led by an old male elephant, came from afar. Fatigue and thirst wore them down. As soon as they saw a small river in front of them, they started running happily.

state of tiredness and thirst

The old elephant ran ahead and came to the river first. It stretched out its nose to suck the river water. But the water level was low and it couldn't reach it, so it had to take another step forward.

action description

The third part (paragraph 6) explains the excavation process of Yellow River elephant fossils

In the spring of 1973, some farmers in Gansu Province were digging in the sand here and suddenly found a piece of white ivory in the sand. They immediately reported it to the local government. Later, excavations were carried out under the direction of the local government. All the fossils are exposed, and people can clearly see that an elephant's skeleton is inserted diagonally into the sand, and the elephant's feet are stepping on stones.

Scene of falling into water

From the scene of it falling into the water and the interconnection of its various bones, it can be inferred that it has not been moved after death.

Inferences drawn from the remains

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For more information about the "Elephant of the Yellow River" PPT courseware, please click the "Elephant of the Yellow River" ppt tab.

"Yellow River Elephant" PPT courseware 6:

"Yellow River Elephant" PPT Courseware 6 Review Skeleton Characteristics: Tall and Complete This elephant skeleton is 4 meters high and 8 meters long. Except for the tail vertebrae, it is all assembled from fossil bones. Look, at the front is a large ivory that is more than 3 meters long, followed by the skull and lower jaw. It is even difficult to find...

"Yellow River Elephant" PPT courseware 5:

"Yellow River Elephant" PPT courseware 5 Thoughts: 1. From the first natural language, what characteristics do you understand of this ancient Yellow River elephant skeleton fossil? Highlight the words and phrases that make you feel this way. 2. How do scientists hypothesize the origin of the Yellow River elephant skeleton fossils? ..

"Yellow River Elephant" PPT courseware 4:

"Yellow River Elephant" PPT courseware 4 Elephant knowledge: Elephants are currently the largest mammals in the world and are widely distributed in regions south of the Sahara Desert and South Asia. The African elephant is the largest existing elephant, with a shoulder height of 4 meters and a maximum weight of 8 tons. Learn a new lesson from me: There is a kind of yellow...

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Update Time: 2024-10-21

This template belongs to Chinese courseware Hebei Education Edition Sixth Grade Chinese Language Volume 2 industry PPT template

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