This unit includes lesson ideas and worksheets for all 4 standards in 2nd grade NGSS including:
2-PS1-1. Plan and conduct an investigation to describe and classify different kinds of
materials by their observable properties.
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.
2-PS1-3. 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.
2-PS1-4. Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.
Included are resources for teacher-led discussion, student hands-on activities, worksheets, and experiments.