"Interesting and Useful Physics" Introduction to Physics PPT Courseware 2

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"Interesting and Useful Physics" Introduction to Physics PPT Courseware 2

What is physics studied?

Physics is a very interesting science. It studies various physical phenomena such as force, sound, light, heat, electricity, etc. and their underlying laws.

interesting physics

When the Nanchang Ferris Wheel was first built, it was the second tallest Ferris wheel in the world. Have you ever been there? Have you ever wondered what makes such a big wheel turn?

One of the physics studies

mechanical phenomena

Even if a bat is blindfolded, it can still fly freely. How do bats "navigate"? Based on this phenomenon, scientists have invented many instruments for ocean and space exploration.

Physics Research 2

acoustic phenomena

Beautiful mirage, a phenomenon that often occurs on Penglai Island in Shandong. Why are there two identical images?

Physics Research 3

optical phenomena

1. Interesting Physics

If you don’t blow it, it will fall off. The more you blow it, the less likely it will fall off!

2. Useful Physics

The invention and application of simple machines (plough, crowbar) - the slash-and-burn era

The invention and application of the steam engine - the steam age

The invention and application of electric motors and generators - the electrical age

The invention and application of atomic energy and computers - the high-tech era

1. Simple mechanical application:

2. Steam Age:

3. Electrical Age:

4. High-tech era:

The brilliant achievements of my country’s aerospace industry:

(1) On April 24, 1970, my country successfully launched its first artificial satellite, Dongfanghong-1.

(2) On November 20, 1999, my country’s Shenzhou-1 spacecraft was successfully launched.

(3) On October 15, 2003, Shenzhou 5 was successfully launched, and Yang Liwei realized the Chinese people’s thousands-year dream of flying into the sky.

(4) On October 24, 2007, my country successfully launched its first moon-orbiting satellite, Chang'e-1.

1. When the apple is ripe, why does it fall to the ground and cannot fly into the sky?

Analysis: This is because the earth has an attraction to surrounding objects. Because of this force, the apple will fall towards the surface of the earth (the ground). In fact, the earth also has an attraction to the moon and the sun.

Improvement: Universal gravitation means that objects with mass have mutual attraction. It can predict the existence of new planets and calculate the mass of planets, making a great contribution to physics and astronomy.

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"Interesting and Useful Physics" into the physics PPT courseware:

"Interesting and Useful Physics" Introduction to Physics PPT Courseware Learning Objectives 1. What content should be learned in physics 2. What are the interesting phenomena in physics 3. What is the use of physics 4. How to learn physics well 5. Seven steps of scientific inquiry... ... ... 1. Our school has nearly 1,000...

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Update Time: 2024-11-21

This template belongs to Physics courseware Lu Jiao edition eighth grade physics volume 1 industry PPT template

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