matter present. interacting at a distance 2-10 “Ice-Cold changes, different Lemonade” PS3.B: Conservation of amounts of potential energy Energy and Energy Transfer are stored in the system. Science (7th Grade) [Clarification Statement: 2-11 “Mixing When the motion energy Emphasis is on relative of an object changes, amounts of potential energy, Science Probe: is inevitably some other not on calculations of 4-6 Water” “Ice change in energy at the potential energy. Examples same time. (MS-PS3-5) of objects within systems Science Probe: The amount of energy interacting at varying 4-7 “Warming transfer needed to change distances could include: the Water” the temperature of a matter Earth and either a roller sample by a given amount coaster cart at varying Science Probe: depends on the nature of positions on a hill or objects PS-19 to a “Rolling the matter, the size of the at varying heights on shelves, Stop” sample, and the changing the environment. (MS-PS3-4) direction/orientation of a Science Probe: Energy is spontaneously magnet, and a balloon with PS-43 a “Lifting transferred out of hotter static electrical charge Rock” regions or objects and into brought closer to a colder ones. (MS-PS3-3) classmate’s hair. Examples of PS3.C: Relationship Between models could include Energy and Forces (7th representations, diagrams, Grade) pictures, and written When two objects interact, descriptions of systems.] each one exerts a force on [Assessment Boundary: the that can cause Assessment is limited to two energy to be transferred to objects and electric, or from the object. magnetic, and gravitational interactions.] ETS1.A: Defining and MS-PS3-3. Apply scientific Delimiting an Engineering principles to design, Problem (7th construct, and test a device The more precisely a that either minimizes or design task’s criteria and maximizes thermal constraints can be defined, energy transfer.* the more likely it is that [Clarification Statement:
matter present. PS3.B: Conservation of Energy and Energy Transfer (7th Grade) When the motion energy of an object changes, is inevitably some other change in energy at the same time. (MS-PS3-5) The amount of energy transfer needed to change the temperature of a matter sample by a given amount depends on the nature of the matter, the size of the sample, and the environment. (MS-PS3-4) Energy is spontaneously transferred out of hotter regions or objects and into colder ones. (MS-PS3-3) PS3.C: Relationship Between Energy and Forces (7th Grade) When two objects interact, each one exerts a force on the that can cause energy to be transferred to or from the object. ETS1.A: Defining and Delimiting an Engineering Problem (7th The more precisely a design task’s criteria and constraints can be defined, the more likely it is that interacting at a distance changes, different amounts of potential energy are stored in the system. [Clarification Statement: Emphasis is on relative amounts of potential energy, not on calculations of potential energy. Examples of objects within systems interacting at varying distances could include: the Earth and either a roller coaster cart at varying positions on a hill or objects at varying heights on shelves, changing the direction/orientation of a magnet, and a balloon with static electrical charge brought closer to a classmate’s hair. Examples of models could include representations, diagrams, pictures, and written descriptions of systems.] [Assessment Boundary: Assessment is limited to two objects and electric, magnetic, and gravitational interactions.] MS-PS3-3. Apply scientific principles to design, construct, and test a device that either minimizes or maximizes thermal energy transfer.* [Clarification Statement: 2-10 “Ice-Cold Lemonade” Science 2-11 “Mixing Science Probe: 4-6 “Ice Water” Science Probe: 4-7 “Warming Water” Science Probe: PS-19 “Rolling to a Stop” Science Probe: PS-43 “Lifting a Rock”
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