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3-LS2

Ecosystems: Interactions, Energy, and Dynamics

 

Students who demonstrate understanding can:

Performance Expectations
 

 

Construct an argument that some animals form groups that help members survive. 3-LS2-1

Clarification Statement and Assessment Boundary

Clarification Statement: none

Assessment Boundary: none

Science and Engineering Practices

Engaging in Argument from Evidence

Engaging in argument from evidence in 3–5 builds on K–2 experiences and progresses to critiquing the scientific explanations or solutions proposed by peers by citing relevant evidence about the natural and designed world(s).

Construct an argument with evidence, data, and/or a model. (3-LS2-1)

Disciplinary Core Ideas

LS2.D:  Social Interactions and Group Behavior

Being part of a group helps animals obtain food, defend themselves, and cope with changes. Groups may serve different functions and vary dramatically in size. (3-LS2-1)

Crosscutting Concepts

Cause and Effect

Cause and effect relationships are routinely identified and used to explain change. (3-LS2-1)

Common Core State Standards Connections

ELA/Literacy
  • RI.3.1 - Ask and answer questions to demonstrate understanding of a text, referring explicitly to the text as the basis for the answers. (3-LS2-1)
  • RI.3.3 - Describe the relationship between a series of historical events, scientific ideas or concepts, or steps in technical procedures in a text, using language that pertains to time, sequence, and cause/effect. (3-LS2-1)
  • W.3.1 - Write opinion pieces on topics or texts, supporting a point of view with reasons. (3-LS2-1)
Mathematics
  • 3.NBT - Number and Operations in Base Ten. (3-LS2-1)
  • MP.4 - Model with mathematics. (3-LS2-1)