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LCER NGSS 2-PS1-4.
Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.
Analyze data obtained from testing different materials
to determine which materials have the properties that are best suited for an intended purpose.*
Elm Lawn 2-4 page
Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.
Use mathematical representations to support claims for the cycling of matter and flow of energy among organisms in an ecosystem.
sites for 2nd - 4th graders
Use a model to describe how variations in the flow of energy into and out of Earth’s systems result in changes in climate.
Use mathematical representations to support the claim
that atoms, and therefore mass, are conserved during a chemical reaction.