Grade 2 > Physical SciencesMatter and its Interactions2.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. |