Evaluate a product or design. Communicate a problem, design, and solution. 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.
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. 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 for home and school. Science and technology in local challenges People continue inventing new ways of doing things and solving problems.