thermal motion (the motion Examples of particles could of atoms or molecules within include molecules or inert a substance) and radiation atoms. Examples of pure (particularly infrared and substances could include light). In science, heat is used water, carbon dioxide, and only for this second helium.] meaning; it refers to energy transferred when two objects or systems are at different temperatures. (secondary to MS-PS1-4) The relationship between the temperature and the total energy of a system depends on the types, states, and amounts of matter present. (secondary to MS-PS1-4) Disciplinary Core Ideas: Students who Connections to Essential Science Science Demos, Chemical Reactions demonstrate other DCIs and Vocabulary Assessment Labs/Activities understanding can: Articulations (Highlight Probes denotes District Content Vocabulary) PS1.A: Structure and MS-PS1-2. Analyze and Properties of Matter (8th interpret data on the Connections: Pure substance Science Probe: Grade) properties of substances Element 1-10 It Matter? MS.PS3.D “Is Each pure substance has before and after the Density MS.LS1.C characteristic physical and substances interact to Melting Science Probe: MS.LS2.B (MS-PS1-5); chemical properties (for any determine if a chemical Solubility 1-11 It Made of “Is MS.ESS2.A bulk quantity under given reaction has occurred. Flammability Molecules” conditions) that can be used [Clarification Statement: Odor Articulations: to identify it. (MS-PS1-2) Examples of reactions could Reactants Science 5.PS1.B (Note: This Disciplinary include burning sugar or Conservation of 2-1 “Comparing Core Idea is also addressed steel wool, fat reacting with Mass Cubes” HS.PS1.A (MS-PS1-6); HS.PS1.B by MS-PS1-3.) sodium hydroxide, and Endothermic HS.PS3.A PS1.B: Chemical Reactions mixing zinc with HCl.] Exothermic Science (MS-PS1-6); HS.PS3.B [Assessment Boundary: 2-2 Logs” (8th Grade) “Floating
thermal motion (the motion of atoms or molecules within a substance) and radiation (particularly infrared and light). In science, heat is used only for this second meaning; it refers to energy transferred when two objects or systems are at different temperatures. (secondary to MS-PS1-4) The relationship between the temperature and the total energy of a system depends on the types, states, and amounts of matter present. (secondary to MS-PS1-4) Examples of particles could include molecules or inert atoms. Examples of pure substances could include water, carbon dioxide, and helium.] Disciplinary Core Ideas: Chemical Reactions Students who demonstrate understanding can: Connections to other DCIs and Articulations Essential Vocabulary (Highlight denotes District Content Vocabulary) Science Assessment Probes Science Demos, Labs/Activities PS1.A: Structure and Properties of Matter (8th Grade) Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it. (MS-PS1-2) (Note: This Disciplinary Core Idea is also addressed by MS-PS1-3.) PS1.B: Chemical Reactions (8th Grade) MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred. [Clarification Statement: Examples of reactions could include burning sugar or steel wool, fat reacting with sodium hydroxide, and mixing zinc with HCl.] [Assessment Boundary: Connections: MS.PS3.D MS.LS1.C MS.LS2.B (MS-PS1-5); MS.ESS2.A Articulations: 5.PS1.B HS.PS1.A (MS-PS1-6); HS.PS1.B HS.PS3.A (MS-PS1-6); HS.PS3.B Pure substance Element Density Melting Solubility Flammability Odor Reactants Conservation of Mass Endothermic Exothermic Science Probe: 1-10 “Is It Matter? Science Probe: 1-11 “Is It Made of Molecules” Science 2-1 “Comparing Cubes” Science 2-2 “Floating Logs”
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