SC.8.P.8.5: Develop models to Develop models to Develop models to describe Recognize that there are a finite number of describe the atomic describe the atomic the atomic composition of elements and that their atoms composition of simple composition of simple simple molecules and combine in a multitude of ways molecules and extended molecules and extended extended structures. to produce compounds that structures. (Examples of structures. (Examples of (Emphasis is on developing make up all of the living and molecular-level models extended structures could models of molecules that nonliving things that we could include drawings, include sodium chloride or vary in complexity. encounter. (Level 1: Recall) 3D ball and stick diamonds) Examples of simple structures, or computer molecules could include representations showing water, ammonia and different molecules with methanol) different types of atoms, such as a protein) SC.8.P.9.2: Analyze and interpret Determine if a chemical Investigate chemical Differentiate between physical changes and data on the properties of reaction has occurred changes and describe chemical changes. (Level 2: substances and after the using the indicators that indicators that signify a Basic Application of Skills & substances interact to signify a chemical change chemical change has taken Concepts) determine if a chemical or a physical change. place. reaction has occurred. Classify changes in matter (Examples of reactions as chemical or physical could include burning change. sugar or steel wool, fat reacting with sodium hydroxide, and mixing zinc with HCl)
SC.8.P.8.5: Recognize that there are a finite number of elements and that their atoms combine in a multitude of ways to produce compounds that make up all of the living and nonliving things that we encounter. (Level 1: Recall) Develop models to describe the atomic composition of simple molecules and extended structures. (Examples of molecular-level models could include drawings, 3D ball and stick structures, or computer representations showing different molecules with different types of atoms, such as a protein) Develop models to describe the atomic composition of simple molecules and extended structures. (Examples of extended structures could include sodium chloride or diamonds) Develop models to describe the atomic composition of simple molecules and extended structures. (Emphasis is on developing models of molecules that vary in complexity. Examples of simple molecules could include water, ammonia and methanol) SC.8.P.9.2: Differentiate between physical changes and chemical changes. (Level 2: Basic Application of Skills & Concepts) Analyze and interpret data on the properties of substances and after the substances interact to determine if a chemical reaction has occurred. (Examples of reactions could include burning sugar or steel wool, fat reacting with sodium hydroxide, and mixing zinc with HCl) Determine if a chemical reaction has occurred using the indicators that signify a chemical change or a physical change. Investigate chemical changes and describe indicators that signify a chemical change has taken place. Classify changes in matter as chemical or physical change.
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