Objects in the sky have patterns of movement . People have always had questions about their world. Science is one way of answering questions and explaining the natural world. Scientists and engineers often work in teams with different individuals doing different things that contribute to the results. Women and men of all ages, backgrounds, and groups engage in a variety of scientific and technological work.
Tools help scientists make better observations, measurements, and equipment for investigations.
They help scientists see, measure, and do things they could not otherwise see, measure, and do. Abilities to distinguish between natural objects and objects made by humans Objects can be categorized into two groups, natural and designed. Science in Personal and Social Perspectives Personal health Safety and security are basic needs of humans. Safety involves freedom from danger, risk, or injury. Student understandings include following safety rules.