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SD.2.ESS.Second Grade Earth Science Standards
Second Grade Earth Science Standards
2-ESS1-1. Use information from several sources to provide evidence that Earth events can occur quickly or slowly. (SEP: 6; DCI: ESS1.C; CCC: Stability/Change)
2-LS2-2. Develop a simple model that mimics the function of an animal in dispersing seeds or pollinating plants. (SEP: 2; DCI: LS2.A, ETS1.B ; CCC: Structure/Function)
2-PS1-1. Plan and carry out an investigation to describe and classify different kinds of materials by their observable properties. (SEP: 3; DCI: PS1.A ; CCC: Patterns)
2-PS1-2. Analyze data obtained from testing different materials to determine which materials have the properties that are best suited for an intended purpose. (SEP: 4; DCI: PS1.A; CCC: Cause/Effect, Technology)
2-PS1-4. Construct an argument using reasoning and evidence that some changes caused by heating or cooling can be reversed and some cannot. (SEP: 7; DCI: PS1.B; CCC: Cause/Effect)