Recognize that most systems are components of larger systems and that the output of one component can become the input to other components. Disassemble and reassemble the components of a system, analyzing how they interact with each other. Explain how feedback can be used to control the behavior of a system. Identify and diagram feedback loops that occur in biological or ecological systems. Identify and diagram feedback loops designed for common control systems, such as home light switches and thermostats.
Students best learn science by doing science.
Science is not merely a collection of facts and theories but a process, a way of thinking about and investigating the world in which we live. This standard addresses those skills that are used by scientists as they discover and explain the physical universe - skills that are an essential and ongoing part of learning science. State a problem about the natural world in the form of a question. Use technology to present the design and results of investigation. Keep a journal record of observations, recognizing patterns of observations and summarizing findings.