Standards are the floor. Mastery and understanding are the goal.

Explore how each subject becomes a coherent sequence of knowledge, reasoning, practice, and transfer—not a disconnected checklist.

Grade 8 Science

27 curriculum outcomes with explicit teaching progressions

Select a record to inspect its progression

Matter Reactions · MS-PS1-5

Model conservation of mass in chemical reactions

Independently develop and use a model showing that atoms are conserved in chemical reactions even though they are rearranged into new substances across representations and contexts.

Component progression

  1. 1I can use a model to represent the individual atoms and molecules present in the reactants of a chemical reaction.
  2. 2I can develop a model showing that the same atoms in the reactants are regrouped into different molecules to form the products of a chemical reaction.
  3. 3I can independently count the atoms of each type in the reactants and products of a modeled chemical reaction to argue that the total number of atoms, and thus the total mass, remains the same.
Matter Reactions · MS-PS1-6

Design a device using exothermic or endothermic reactions

Independently design, construct, test, and improve a device that releases or absorbs thermal energy through a chemical process across representations and contexts.

Component progression

  1. 1I can define the criteria and constraints for a device that must release or absorb thermal energy through a chemical process, including target amount, time, and temperature change.
  2. 2I can construct a prototype device using a chemical process and test it, measuring the amount, time, and temperature change it produces against the design criteria.
  3. 3I can modify the device by changing a single factor, such as the type or concentration of substance, and retest to improve its performance toward the design criteria.
Forces Motion · MS-PS2-1

Apply Newton's third law to collision design problems

Independently apply newton's third law to design a solution involving the motion of two colliding objects across representations and contexts.

Component progression

  1. 1I can identify the action and reaction forces exerted by two colliding objects on each other in a given scenario.
  2. 2I can explain why the equal and opposite forces in a collision act on two different objects and therefore do not cancel each other out.
  3. 3I can design and justify a solution to a practical collision problem, such as a vehicle safety feature, using newton's third law to explain how it reduces the force's effect on people or objects.
Forces Motion · MS-PS2-2

Investigate how net force and mass affect motion

Independently plan an investigation showing that an object's change in motion depends on the net force and its mass across representations and contexts.

Component progression

  1. 1I can distinguish situations where forces on an object are balanced, producing no change in motion, from situations where they are unbalanced, producing a change in motion.
  2. 2I can plan an investigation that isolates either force or mass as the single variable being tested to gather evidence about its effect on an object's motion.
  3. 3I can conduct the planned investigation and use the resulting data as evidence that an object's change in motion depends on the net force acting on it and on its mass.
Forces Motion · MS-PS2-3

Investigate factors affecting electric and magnetic force strength

Independently use data to identify factors that affect the strength of electric and magnetic forces across representations and contexts.

Component progression

  1. 1I can identify candidate factors, such as number of wire turns or magnet strength, that might affect the strength of an electric or magnetic force in a device.
  2. 2I can ask questions about a provided data set, such as electromagnet strength versus number of turns, that could be investigated to determine cause-and-effect relationships.
  3. 3I can analyze data to determine and describe, using proportional reasoning, how a specific factor affects the strength of an electric or magnetic force.
Forces Motion · MS-PS2-4

Argue that gravity is attractive and depends on mass

Independently use evidence to support the claim that gravitational interactions are attractive and depend on the masses involved across representations and contexts.

Component progression

  1. 1I can identify evidence, such as orbital data or simulation results, showing that gravitational interactions between objects are attractive.
  2. 2I can use evidence, such as a chart comparing mass and interaction strength, to relate the strength of a gravitational interaction to the masses of the interacting objects.
  3. 3I can construct and present an argument, supported by evidence, for the claim that gravitational interactions are attractive and depend on the masses of the interacting objects.
Forces Motion · MS-PS2-5

Investigate evidence for fields between non-contacting objects

Independently investigate factors that affect the strength of forces between objects that are not touching across representations and contexts.

Component progression

  1. 1I can observe and describe an interaction between two objects, such as magnets or charged materials, that exert a force on each other without touching.
  2. 2I can design an investigation using a test object to detect a field in the space around an object, and evaluate whether the design rules out other explanations.
  3. 3I can conduct the investigation and interpret the resulting evidence as support for the existence of an electric or magnetic field between the non-contacting objects.
Energy · MS-PS3-1

Graph the relationships between kinetic energy, mass, and speed

Independently construct and interpret graphs showing how kinetic energy depends on an object's mass and speed across representations and contexts.

Component progression

  1. 1I can construct a graphical display of data showing how kinetic energy varies with an object's mass or with its speed.
  2. 2I can interpret a graph to describe how kinetic energy changes as an object's mass increases while speed is held constant.
  3. 3I can interpret a graph to describe how kinetic energy changes as an object's speed increases while mass is held constant, recognizing the nonlinear relationship.
Energy · MS-PS3-2

Model potential energy from the arrangement of interacting objects

Independently model how the arrangement of interacting objects changes the potential energy stored in a system across representations and contexts.

Component progression

  1. 1I can identify pairs of objects that interact at a distance through gravitational, electric, or magnetic forces and form a system capable of storing potential energy.
  2. 2I can develop a model showing that changing the relative position of two interacting objects, such as their distance or orientation, changes the potential energy stored in the system.
  3. 3I can use a model to compare the relative amount of potential energy stored in a system across different arrangements of the interacting objects.
Energy · MS-PS3-3

Design a device to control thermal energy transfer

Independently apply scientific principles to design and improve a device that minimizes or maximizes thermal-energy transfer across representations and contexts.

Component progression

  1. 1I can identify scientific principles, such as the direction of spontaneous thermal energy transfer and the effect of insulating materials, relevant to designing a device that controls that transfer.
  2. 2I can construct a device intended to minimize or maximize thermal energy transfer and test it by measuring temperature change over time.
  3. 3I can use test data to evaluate how well the device met its design goal and identify a modification that would improve its performance.
Energy · MS-PS3-4

Investigate how energy transfer, matter type, and mass affect temperature change

Independently investigate relationships among transferred energy, type of matter, mass, and temperature change across representations and contexts.

Component progression

  1. 1I can distinguish an object's temperature, a measure of average particle kinetic energy, from the total amount of thermal energy transferred to or from it.
  2. 2I can plan an investigation that varies either the type of matter or the mass of a sample, while controlling other variables, to determine its effect on temperature change for a given energy transfer.
  3. 3I can use data from the investigation to determine how the type of matter and the mass of a sample affect the temperature change produced by a given energy transfer.
Energy · MS-PS3-5

Argue that a change in kinetic energy means energy was transferred

Independently argue from evidence that changes in an object's kinetic energy involve energy transfer to or from the object across representations and contexts.

Component progression

  1. 1I can identify evidence, such as a change in speed or temperature, indicating that an object's kinetic energy has changed.
  2. 2I can construct a before-and-after inventory of energy in a system to represent where energy went when an object's kinetic energy changed.
  3. 3I can present an argument, supported by the energy inventory evidence, that a change in an object's kinetic energy shows that energy was transferred to or from that object.
Waves Information · MS-PS4-1

Relate wave amplitude to wave energy

Independently use mathematical representations to describe a wave model involving amplitude, wavelength, and energy across representations and contexts.

Component progression

  1. 1I can identify wavelength, frequency, and amplitude in a mathematical or graphical representation of a simple repeating wave.
  2. 2I can use a mathematical representation to show how a wave's amplitude changes while other wave properties are held constant.
  3. 3I can use a mathematical representation to describe the relationship between a wave's amplitude and the amount of energy it carries.
Waves Information · MS-PS4-2

Model reflection, absorption, and transmission of waves

Independently model how waves are reflected, absorbed, or transmitted through different materials across representations and contexts.

Component progression

  1. 1I can identify examples of a wave being reflected, absorbed, or transmitted as it interacts with a material.
  2. 2I can develop a model showing what happens to a wave, such as light or sound, as it strikes a specific material.
  3. 3I can use models to compare how the same type of wave is reflected, absorbed, or transmitted differently by different materials.
Waves Information · MS-PS4-3

Compare digital and analog signal reliability

Independently integrate evidence supporting the claim that digitized signals transmit information more reliably than analog signals across representations and contexts.

Component progression

  1. 1I can compare how an analog signal encodes information as a continuously varying wave versus how a digital signal encodes information as discrete patterns.
  2. 2I can gather qualitative scientific and technical information from multiple sources about how noise and degradation affect analog versus digital signals during transmission.
  3. 3I can construct and support a claim, using integrated information from multiple sources, that digitized signals are more reliable for encoding and transmitting information than analog signals.
Weather Climate · MS-ESS2-4

Model the water cycle's energy and gravity drivers

Independently model the water cycle as driven by solar energy and gravity across representations and contexts.

Component progression

  1. 1I can identify earth's water reservoirs, such as the ocean, atmosphere, ice, and groundwater, and the pathways, such as evaporation and precipitation, that move water between them.
  2. 2I can develop a model showing how water changes physical state as it moves through different pathways of the water cycle.
  3. 3I can use a model to explain how energy from the sun drives evaporation and how gravity drives precipitation and downhill flow, together powering the water cycle.
Weather Climate · MS-ESS2-5

Investigate how air mass interactions cause weather changes

Independently use data to explain how interacting air masses change weather conditions across representations and contexts.

Component progression

  1. 1I can identify the properties of an air mass and explain how pressure differences between air masses cause them to move.
  2. 2I can collect data, such as temperature, pressure, and wind measurements, that show how weather conditions change at a location as air masses move through it.
  3. 3I can use collected data as evidence to explain how the motion or collision of air masses caused an observed change in weather conditions.
Weather Climate · MS-ESS2-6

Model global circulation patterns that shape regional climate

Independently model how unequal solar heating and earth's rotation produce atmospheric and oceanic circulation and regional climates across representations and contexts.

Component progression

  1. 1I can explain how sunlight unequally heats different latitudes of earth's surface, creating temperature differences that drive circulation.
  2. 2I can develop a model showing how unequal heating and earth's rotation produce large-scale patterns of atmospheric circulation and prevailing winds.
  3. 3I can develop a model showing how global ocean circulation patterns, shaped by heating and the outlines of continents, interact with atmospheric circulation to determine regional climates.
Earth Human Systems · MS-ESS3-1

Explain the uneven distribution of Earth's natural resources

Independently explain how geologic processes have produced uneven distributions of mineral, energy, and groundwater resources across representations and contexts.

Component progression

  1. 1I can identify the past geoscience processes, such as sediment burial or volcanic activity, associated with the formation of a specific mineral, energy, or groundwater resource.
  2. 2I can analyze evidence connecting the geographic distribution of a natural resource to the geoscience process that formed it.
  3. 3I can construct a scientific explanation, supported by evidence, for why a natural resource is unevenly distributed across earth as a result of past and current geoscience processes.
Earth Human Systems · MS-ESS3-2

Use hazard data to forecast events and inform mitigation technology

Independently analyze data about natural hazards to forecast future catastrophic events and inform risk-reduction technologies across representations and contexts.

Component progression

  1. 1I can analyze a data set on the location, magnitude, and frequency of a natural hazard to identify patterns.
  2. 2I can use identified patterns in hazard data to forecast the likelihood of future catastrophic events in a given region.
  3. 3I can evaluate how a technology, such as an early-warning system or hazard-resistant design, uses hazard data to mitigate the effects of a natural hazard.
Earth Human Systems · MS-ESS3-3

Design a method to monitor and minimize human environmental impact

Independently apply scientific principles to monitor and reduce human effects on the environment across representations and contexts.

Component progression

  1. 1I can examine evidence of a specific human impact on the environment, such as water usage, land usage, or pollution, to understand its scientific causes and effects.
  2. 2I can apply scientific principles to assess candidate solutions for monitoring or minimizing the identified human impact.
  3. 3I can design a method for monitoring and minimizing the human impact and evaluate how well it addresses the impact based on scientific criteria.
Earth Human Systems · MS-ESS3-4

Argue how population growth and consumption impact Earth's systems

Independently use evidence to explain how population and per-person resource use affect earth systems across representations and contexts.

Component progression

  1. 1I can identify evidence, such as data on human population growth and per-capita resource consumption, relevant to changes in earth's systems.
  2. 2I can use evidence to connect increases in population and per-capita consumption to specific changes in the appearance, composition, or structure of earth's systems.
  3. 3I can construct an argument, supported by evidence, for how increases in human population and per-capita consumption of natural resources impact earth's systems.
Earth Human Systems · MS-ESS3-5

Question evidence for the causes of rising global temperatures

Independently ask evidence-focused questions that clarify factors contributing to recent global temperature rise across representations and contexts.

Component progression

  1. 1I can identify candidate factors, both human activities and natural processes, that could contribute to a rise in global temperatures.
  2. 2I can ask questions to clarify what data, such as graphs of temperature and greenhouse gas levels over time, reveal about a candidate factor's role in rising global temperatures.
  3. 3I can use evidence to evaluate and explain why human activities are identified as the major factor causing the rise in global temperatures over the past century.
Engineering Design · MS-ETS1-4

Model a design for iterative testing and optimization

Independently develop a model that generates data for repeated testing and modification of a proposed design across representations and contexts.

Component progression

  1. 1I can develop a model of a proposed object, tool, or process that can be used to generate data about its performance.
  2. 2I can test the model to generate data and identify specific weaknesses or areas for improvement in the current design.
  3. 3I can use test data across multiple iterations to modify the design, converging on an optimal solution that best meets the criteria.
Evolution Biodiversity · MS-LS4-5

Explain how technologies influence inherited traits

Independently gather and synthesize information about technologies that have changed how humans influence the inheritance of desired traits in organisms across representations and contexts.

Component progression

  1. 1I can distinguish inherited variation from deliberate human selection of desired traits in plants and animals.
  2. 2I can gather credible information about selective breeding, genetic engineering, or another technology and explain how it changes human influence over inherited traits.
  3. 3I can synthesize information from multiple sources to explain how technologies have changed the way humans influence inheritance of desired traits in organisms.
Computer Science · EEP-CS.8

Explain networks, security, and responsible design

Independently explain how networked systems transmit information and evaluate security, privacy, and accessibility tradeoffs across representations and contexts.

Component progression

  1. 1I can explicitly teach and model how to trace how data is divided, addressed, transmitted, and reassembled using a concrete computing example.
  2. 2I can analyze how to explain authentication, encryption, and common security risks using a traced example or representation.
  3. 3I can independently evaluate a digital design for privacy, accessibility, and unequal impacts in a new computing context and explain the evidence that the solution works.
Ai Literacy · EEP-AI.8

Evaluate AI reliability, privacy, and fairness

Independently evaluate an ai use case for reliability, privacy, fairness, transparency, and human oversight across representations and contexts.

Component progression

  1. 1I can explicitly teach and model how to identify the consequences of an incorrect output in a specific use case with an age-appropriate ai-use scenario.
  2. 2I can analyze how to analyze what data is collected and who may be affected unevenly by comparing responsible and irresponsible choices.
  3. 3I can independently recommend safeguards, disclosure, appeal, and meaningful human review in a new learning context while preserving the learner's own thinking and responsibility.
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