ME.A. Unifying Themes: Students apply the principles of systems, models, constancy and change, and scale in science and technology.
A.3. Constancy and Change: Students describe how patterns of change vary in physical, biological, and technological systems.
A.3.c. Describe rates of change and cyclic patterns using appropriate grade-level mathematics.
ME.C. The Scientific and Technological Enterprise: Students understand the history and nature of scientific knowledge and technology, the processes of inquiry and technological design, and the impacts science and technology have on society and the environment.
C.1. Understandings of Inquiry: Students describe how scientists use varied and systematic approaches to investigations that may lead to further investigations.
C.1.b. Explain why it is important to identify and control variables and replicate trials in experiments.