"A Special Stone" PPT courseware

Description

"A Special Stone" PPT courseware

Li Siguang (1889-1971) is a famous geologist in my country. He studied in Japan and the UK successively.

Li Siguang made outstanding contributions to my country's geology. He is the discoverer and founder of research on Quaternary glaciers in my country. The geomechanics theory he proposed played an important role in searching for my country's oil and other mineral resources.

Glaciers and Quaternary glaciers

Glacier: In high mountains or two-level areas, the snow turns into ice due to its own pressure, and then moves obliquely under the pressure. The large ice blocks that move in this way are called glaciers.

Read the text silently and talk about the main idea of ​​the text?

The text tells the story of Li Siguang, a famous Chinese geologist, who had questions about a huge rock in his hometown when he was a child. After many years of research, he finally figured out the origin of the huge rock. It reflects Li Siguang’s diligent thinking, good at using his brain, and decades of persistent pursuit. Valuable quality.

Read the text again and discuss in groups:

The first paragraph: (The first natural paragraph) Li Siguang is a famous geologist in my country.

Second paragraph: (Second to eighth natural paragraph) When Li Siguang was playing with his friends when he was a child, he became very interested in a big stone and wanted to find out where it came from.

The third paragraph: (nineth to tenth natural paragraph) Where did the stone come from? This problem has always troubled Li Siguang, and he finally discovered the remains of Quaternary glaciers in China.

Self-study tips:

1. Why did Li Siguang become interested in this big stone?

2. What is “special” about this particular stone?

3. What questions does Li Siguang have about this stone? Who did he ask? What was the result?

4. What did Li Siguang do when he grew up? What did you do after you returned to China?

Question 2: What is “special” about this particular stone?

This is a _______ stone. Seven or eight children holding hands with open arms cannot surround it. It stood _______ on the lawn, with not a single stone around it, and looked very _______.

Question 3. What questions does Li Siguang have about this stone?

Who did he ask? What was the result?

"Where did such a big stone come from?"

(Interrogative: Ask when in doubt.)

"Where did the stone come from? It was already there!"

(Assume a question: ask without doubt, ask and answer by yourself. The latter sentence is a strong declarative sentence)

What results did Li Siguang achieve from this special stone, and what did he rely on?

(Li Siguang discovered China’s Quaternary ice relics from this special stone, laying the foundation for the study of China’s Quaternary glaciers. He achieved this result by relying on the valuable qualities of being diligent in thinking, good at using his brain, and decades of persistent pursuit. .)

Keywords: A special stone teaching courseware, Chinese S version fourth grade Chinese courseware, first volume, fourth grade Chinese slide courseware download, A special stone PPT courseware download, .ppt format

For more information about the PPT courseware "A Special Stone", please click the "A Special Stone" ppt tag.

"A Special Stone" PPT courseware 3:

"A Special Stone" PPT Courseware 3 What is so special about this special stone? This boulder stands (lonely) in the grass. The big stone completely obscured his figure, and the friends walked around the stone but couldn't find him. This stone...

"A Special Stone" PPT courseware 2:

"A Special Stone" PPT Courseware 2 Li Siguang, formerly known as Zhong Kui, was born on October 26, 1889, and is a geologist. Mongolian. A native of Huanggang, Hubei. He received his master's degree and doctorate degree from the University of Birmingham in the United Kingdom in 1919 and 1927 respectively. Astronomy, geology, ancient... published in his later years.

File Info

Update Time: 2024-10-20

This template belongs to Chinese courseware S edition fourth grade Chinese language volume 1 industry PPT template

Preview