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2020 CCC - Patterns (redirected from 2020 Crosscutting Concepts - Patterns)

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Crosscutting Concept: Patterns
Observed patterns in nature guide organization and classification, and prompt questions about the relationships and causes underlying them.
Grades K-2	Grades 3-5	Grades 6-8	Grades 9-12

Patterns in the natural and human designed world can be observed, used to describe phenomena, and used as evidence. (K.LS1.1, K.ESS2.1, 1.LS1.2, 1.LS3.1, 1.ESS1.1, 1.ESS1.2, 2.PS1.1, 2.ESS2.2, 2.ESS2.3)	Similarities and differences in patterns can be used to sort, classify, communicate, and analyze simple rates of change for natural phenomena and designed products. (3.LS3.1, 4.PS4.1, 4.PS4.3, 5.ESS1.2) Patterns of change can be used to make predictions. (3.PS2.2, 3.LS1.1, 3.ESS2.1, 3.ESS2.2) Patterns can be used as evidence to support an explanation. (4.PS3.1, 4.ESS1.1, 4.ESS2.1)	Macroscopic patterns are related to the nature of microscopic and atomic-level structure. (7.PS1.2) Patterns in rate of change and other numerical relationships can provide information about natural and human designed systems. (6.ESS2.3) Patterns can be used to identify cause and effect relationships. (7.LS2.2, 8.ESS1.1) Graphs, charts, and images can be used to identify patterns in data. (6.ESS3.2, 8.PS4.1, 8.LS4.1, 8.LS4.2, 8.LS4.3)	Different patterns may be observable at each of the scales at which a system is studied and can provide for causality in explanations of phenomena. (PS.PS1.1, PS.PS1.2, CH.PS1.1, CH.PS1.2, PH.PS2.4, B.LS4.1, B.LS4.3) Classifications or explanations used at one scale may fail or need revision when information from smaller or larger scales is introduced; thus requiring improved investigations and experiments. Patterns of performance of designed systems can be analyzed and interpreted to re-engineer and improve the system. Mathematical representations are needed to identify some patterns. (ES.ESS1.4) Empirical evidence is needed to identify patterns.