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CKSci Grade 2 Unit 1: Properties of Matter

Grade Level Grade 2
Standards Alignment
Next Generation Science Standards


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Focus: In this unit, students learn that matter, the “stuff” of which everything is made, exists in many forms. Students will practice sorting and grouping materials by characteristics, called properties, and investigate how the properties of different types of matter make them useful for different tasks.

Number of Lessons: 4, each lesson is divided into 3–5 lesson segments.

Instruction Time: We recommend that you plan for about 30–45 minutes for each lesson segment. We further recommend that you spend a minimum of twenty-five days and a maximum of thirty-seven days teaching the Properties of Matter unit.


Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.
Analyze data obtained from testing different materials to determine which materials have the properties that are best suited for an intended purpose.
Make observations to construct an evidence-based account of how an object made of a small set of pieces can be disassembled and made into a new object.
Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.


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