1) Science refers to the understanding of the objective world and is a knowledge system that reflects objective facts and laws and their related activities.

2) Technology: Technology in a broad sense includes production technology and non-production technology, while technology in a narrow sense refers to production technology.

3) The scientific and technological revolution is an important driving force in the social dynamic system and a "powerful lever of history". Every scientific and technological revolution has caused profound changes in the mode of production, lifestyle and way of thinking and great social progress to varying degrees.

4) The impact on the mode of production is as follows:

Factors that change social productive forces;

Changed people's labor form;

It has changed the economic structure of society, especially led to the transformation of industrial institutions.

5) Influence on lifestyle: Change the way of thinking by acting on the four basic elements of lifestyle, namely, life subject, living materials, living time and living space.

2. Correctly grasp the social role of science and technology.

1) The development of science and technology marks the enhancement of human ability to transform nature, which means that people can create more material wealth they need, which has a great impetus to social development.

2) To correctly understand and apply science and technology, we must first have a reasonable social system to ensure the correct application of science and technology, and always insist on making science and technology serve the healthy development of mankind and benefit mankind.