4. answer these multiple-choice questions about science and technology. 1. what does the word ‘science’ mean? a. broad field b. latin word c. knowledge 2. what do scientists do? a. develop theories b. only collect facts c. only make observations 3. when does a theory become a part of scientific knowledge? a. after experiments b. after tests c. after it has been tested experimentally and proved to be true 4. what do scientific theories consist of? a. different technologies b. observations and facts c. general principles and laws 5. what groups can scientific study be divided into? a. social and technical sciences b. natural and technical sciences c. natural, social, and technical sciences 6. why have many new fields of science appeared? a. because scientific knowledge has grown and become more complicated b. because sciences influence our lives c. because it proved to be true 7. when did industrial technology begin to develop? a. with the development of the radio b. with the development of the computer c. with the development of the steam engin