Developing and Using Models A practice of both science and engineering is to use and construct models as helpful tools for representing ideas and explanations. These tools include diagrams, drawings, …

Scientific investigations produce data that must be analyzed in order to derive meaning. Because data patterns and trends are not always obvious, scientists use a range of tools—including tabulation, …

Patterns Observed patterns in nature guide organization and classification and prompt questions about relationships and causes underlying them.

Disciplinary Core Ideas in the Next Generation Science Standards (NGSS) Final Release

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