"The Vast Universe" PPT Courseware on Particles and the Universe 2

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"The Vast Universe" PPT Courseware on Particles and the Universe 2

Pre-study tips:

1. The first person in the world to propose using fluid hydrogen and liquid oxygen as rocket engine propellants was ( )

A Tsiolkovsky B Gagarin

C Armstrong D Yang Liwei

2. Which of the following statements about the earth is correct ( )

A The Earth is a planet in the solar system

BThe earth is a star in the solar system

CThe Earth is the central body of the solar system

DThe earth is the central body of the universe

3. In order to explore the mysteries of the universe, Gamow proposed ( )

A The theory of the big bang B The theory that the universe has no center

C Extragalactic galaxies become farther away from the Milky Way D “Heliocentric theory”

4. If humans settle on the earth in the future, please imagine how living on the moon is different from living on the earth? Please write two plausible scenarios.

learning target:

1. Knowledge and skills: Know the composition of the solar system, understand the general situation of the universe and the "Big Bang Theory".

2. Process and methods: Understand the process of human exploration of the universe.

3. Emotions, attitudes and values: Understand that human exploration of the universe will continue to deepen.

fly to space

On October 4, 1957, the former Soviet Union launched mankind’s first artificial earth satellite into space.

In 1961, the Soviet Union’s Gagarin entered space in a spacecraft

1969, U.S. moon landing program

On April 24, 1970, my country’s first man-made earth satellite flew into the sky

At 9:00 on October 15, 2003, my country's "Shenzhou 5" manned spacecraft was successfully launched and returned safely after orbiting the earth 14 times in space. Successfully realized the Chinese people’s ideal of traveling in space

feedback detection

1. There are _____ big planets in the solar system, and the earth is in the _____ orbit that is farther _____ from the sun.

2. Which of the following statements about the universe is correct ( )

A. The universe is composed of the Milky Way and the solar system

B. The universe is only composed of the Milky Way, and the sun is a member of the Milky Way.

C. There are billions of galaxies in the universe, and the Milky Way is one of them

D. There are only nine planets in the solar system.

3. Xiao Ming believes that "light year" is a unit of time. Do you think Xiao Ming's statement is correct? Why?

Answer: No, because light-year represents the distance traveled by light in 1 year, so light-year is the unit of length.

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"The Vast Universe" Particles and Universe PPT Courseware 3:

"The Vast Universe" PPT Courseware on Particles and the Universe 3 Universe: the sum of material phenomena. In a broad sense, it refers to the infinitely diverse and eternally developing material world, and in a narrow sense, it refers to the largest celestial body system that can be observed in a certain era. The latter is often called the observable universe, our universe,...

"The Vast Universe" PPT courseware on particles and the universe:

"The Vast Universe" PPT courseware on particles and the universe Teaching objectives 1. Know the composition of the solar system. 2. Understand the history of human exploration of the universe. 3. Understand the general situation of the universe and the Big Bang theory. 1. Concept of the Universe The solar system is an ordinary star in the Milky Way..

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Update Time: 2024-11-22

This template belongs to Physics courseware Beijing Normal University Ninth Grade Physics Volume 2 industry PPT template

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