 standards overview of standards science standard a unifying themes students apply the principles of systems models constancy and change and scale in science and technology a1 systems performance indicators 68 students describe and apply principles of systems in manmade things natural things and processes b explain how the output of one part of a system including waste products from manufacturing or organisms can become the input of another part of a system a4 scale performance indicators and descriptors 68 students use scale to describe objects phenomena or processes related to earth space matter and mechanical and living systems b use proportions averages and ranges to describe small and large extremes of scale ela standard c research students engage in inquiry by developing research questions accessing and verifying a variety of sources com municating findings and applying the conventions of documentation students present findings orally in writing or using mixed media c1 research performance indicators and descriptors 68 students propose and revise research questions collect information from a wide variety of primary and or secondary sources and follow the conventions of documentation to communicate findings a determine the nature and extent of information needed b locate and access relevant information c demonstrate facility with notetaking organizing information and creating bibliographies d distinguish between primary and secondary sources e summarize and interpret information presented in varied sources and or from fieldwork experiments and interviews f present findings by paraphrasing quoting sources and using proper citation g use information ethically and legally mlr mathematics standard b data students make measurements and collect display evaluate analyze and compute with data to describe or model phenomena and to make decisions based on data students compute statistics to summarize data sets and use concepts of probability to make predictions and describe the uncertainty inherent in data collection and measurement measurement and approximation performance indicators descriptors 8 2 students convert across measurement systems and within a system for different units in derived measures performance indicators descriptors 9diploma 1 students understand the relationship between precision and accuracy express answers to a reasonable degree of precision in the context of a given problem represent an approximate measurement using appropriate numbers of significant figures  mercury in watersheds  