Propose a solution. Implementing proposed solutions. 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 in which different individuals do different things that contribute to the results. Tools help scientists make better observations, measurements, and equipment for investigations. 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 understanding includes following safety rules for home and school.