Evaluate a product or design. Communicate a problem, design, and solution. 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.
Some objects occur in nature while others have been designed by people to solve human problems.
Objects can be categorized into two groups, natural and designed. 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 recycling and decreased use. Changes in environments Environments are the space, conditions, and factors that affect an individual's and a population's ability to survive and their quality of life.