Next Generation Science Standards Flashcards

A teacher highlights that the same concept of 'feedback loops' applies to both a thermostat controlling room temperature and a predator-prey population cycle. Which Crosscutting Concept is being emphasized?

Answer: Stability and Change

Stability and Change includes feedback mechanisms that regulate systems, applicable across physical, biological, and engineered contexts.

Which Crosscutting Concept is most directly applied when students examine why certain properties of materials (like strength) change predictably as their size changes from micro to macro scale?

Answer: Scale, Proportion, and Quantity

Scale, Proportion, and Quantity addresses how phenomena and properties change (or stay constant) across different scales of size, time, and energy.

When students learn that a cell membrane's selective permeability is a result of its phospholipid bilayer arrangement, which Crosscutting Concept is central to the lesson?

Answer: Structure and Function

Structure and Function explores how the shape and arrangement of a system's parts determines what it can do—here the bilayer structure enables selective permeability.

A teacher asks students to identify that both earthquakes and hurricanes follow recognizable, recurring spatial and temporal patterns. This is an example of which Crosscutting Concept?

Answer: Patterns

The Patterns CCC involves identifying regularities in natural phenomena across time and space, which can then motivate questions about causes and mechanisms.

In NGSS, 'Energy and Matter' as a Crosscutting Concept emphasizes that:

Answer: Matter and energy flow and cycle through systems, and their tracking reveals system behavior

The CCC frames energy and matter as things that flow, cycle, and are conserved across systems—tracking them reveals how systems work.

A teacher uses a diagram showing the water cycle, carbon cycle, and nitrogen cycle side by side. Which Crosscutting Concept is BEST reflected in this instructional approach?

Answer: Systems and System Models

Systems and System Models involves defining system boundaries and understanding how components interact, making diagrams of interconnected cycles an ideal application.

Which Crosscutting Concept is MOST relevant when students investigate how a small change in ocean temperature can trigger widespread coral bleaching and ecosystem disruption?

Answer: Cause and Effect

Cause and Effect examines mechanisms and explanations that link specific causes to observed effects, including how small inputs can cascade into large outcomes.