The Standards

2nd Grade

Ecosystems: Interactions, Energy, and Dynamics

Students who demonstrate understanding can:



Develop a simple model that mimics the function of an animal in dispersing seeds or pollinating plants. 2-LS2-2

Clarification Statement and Assessment Boundary

Clarification Statement: none

Assessment Boundary: none

Science and Engineering Practices

Developing and Using Models

Modeling in K–2 builds on prior experiences and progresses to include using and developing models (i.e., diagram, drawing, physical replica, diorama, dramatization, or storyboard) that represent concrete events or design solutions.

Develop a simple model based on evidence to represent a proposed object or tool. (2-LS2-2)

Common Core State Standards Connections

  • SL.2.5 - Create audio recordings of stories or poems; add drawings or other visual displays to stories or recounts of experiences when appropriate to clarify ideas, thoughts, and feelings. (2-LS2-2)
  • 2.MD.D.10 - Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph. (2-LS2-2)
  • MP.4 - Model with mathematics. (2-LS2-2)

Model Course Mapping

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