"The Mystery of Life in the Universe" Lesson 2 PPT

Description

"The Mystery of Life in the Universe" Lesson 2 PPT

Part One: Reading and Appreciation

The vast universe is full of endless mysteries. Is there life beyond Earth? This has always been a mystery. Let us follow the author to solve this mystery today!

The Mystery of Life in the Universe PPT, Part 2: Text Analysis

Read Part 2 Silently (Natural Paragraphs 2 and 3)

Requirements: Read the pronunciation of the characters accurately and read the sentences clearly.

think:

1. Theoretically why is there life outside the earth?

The universe is infinite. The Earth is only a planet in the solar system, and the solar system is only a very small part of the Milky Way.

(Universe—Galaxy—Solar System—Earth)

There are hundreds of billions of stars in the entire Milky Way, and there are many planetary systems similar to the solar system, among which ( ) there are planets similar to the Earth.

2. What are the four conditions necessary for life to exist?

There are four conditions for life

1. Ensure a certain temperature;

2. Contains water and living substances;

3. Have appropriate atmospheric composition;

4. Have enough light and heat.

3. What is the rhetorical device in the first sentence of the third natural paragraph?

The Mystery of Life in the Universe PPT, Part 3: Classroom Exercises

1. Determine the following explanation methods.

1. Mercury is the closest to the sun. When facing the sun, the surface temperature reaches 300 to 400 degrees Celsius, making it impossible for life to exist. ( )

2. Mars has many similarities with the Earth. ( )

3. In 1971, the Mariner 9 spacecraft launched by the United States entered an orbit around Mars and took a large number of photos of Mars. ( )

2. According to the content of the text, judge the following statements, mark "√" if they are true, and mark "×" if they are wrong.

1. Ninety-six percent of Mars’ atmosphere is carbon dioxide. ( )

2. Scientists analyzed meteorites and found that there were organic molecules on the meteorites, indicating the existence of life in space. ( )

3. The reason for the extremely high surface temperature of Venus is the "greenhouse effect". ( )

4. One of the conditions for the existence of life is enough light and heat. ( )

3. The sentence with the same meaning as "There is only one earth, if it is destroyed, we have nowhere to go." is ().

A. The earth has limited resources.

B. We must protect the earth and protect the ecological balance.

C. Human beings cannot expect to colonize other planets after destroying the earth.

D. If the earth's resources are exhausted, it will be difficult for us to obtain resources from other places.

Keywords: Free download of Chinese PPT courseware for the sixth grade of the People's Education Press, Volume 1, PPT download of the Mystery of Life in the Universe, .PPT format;

For more information about the "Mystery of Life in the Universe" PPT courseware, please click on the "Mystery of Life in the Universe" ppt tag.

PPT for the first lesson of "The Mystery of Life in the Universe":

"The Mystery of Life in the Universe" Lesson 1 PPT Part 1: Learning Objectives 1. Be able to write 10 new words and understand the words composed of the new words. (Key Points) 2. Read texts emotionally and be able to choose appropriate reading strategies according to different learning tasks. (Key points) 3. Read the lesson...

"The Mystery of Life in the Universe" PPT:

"The Mystery of Life in the Universe" PPT Part One: Learning Objectives 1. Be able to write 12 words such as riddle and Chang. Can write 26 words such as development and theory. 2. Further learn to choose appropriate reading methods according to the purpose of reading. Read the text carefully and consult relevant information to explore two questions.

File Info

Update Time: 2024-09-14

This template belongs to Chinese courseware People's Education Press Chinese Language for Sixth Grade Volume 1 industry PPT template

Preview