Evaluate a product or design. Communicate a problem, design, and solution. Science is one way of answering questions and explaining the natural world. People have always had problems and invented tools and techniques to solve problems. Scientists and engineers often work in teams with different individuals doing different things that contribute to the results.
Tools help scientists make better observations, measurements, and equipment for investigation.
Science in Personal and Social Perspectives Personal health Safety and security are basic needs of humans. Safety involves freedom from danger, risk, or injury. Types of resources Resources are things we get from the living and nonliving environment to meet the needs and wants of a population. The supply of many resources is limited. If used, resources can be extended through decreased use.