Tools help scientists make better observations, measurements, and equipment for investigations. They help scientists see, measure, and do things that they could not otherwise see, measure, and do. Objects can be categorized into two groups, natural and designed. Resources are things that we get from the living and nonliving environment to meet the needs and wants of a population. The supply of many resources is limited.
Some environmental changes occur slowly, and others occur rapidly.
History and Nature of Science Science as a human endeavor Science and technology have been practiced by people for a long time. Men and women have made a variety of contributions throughout the history of science and technology. Many people choose science as a career and devote their entire lives to studying it. Many people derive great pleasure from doing science.