HS-LS1-3: Feedback Mechanisms and Homeostasis

Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis. (Stability and Change)

Clarification Statement: Examples of investigations could include heart rate response to exercise, stomate response to moisture and temperature, and root development in response to water levels.

Assessment Boundary: Assessment does not include the cellular processes involved in the feedback mechanism.

Disciplinary Core Ideas
LS1.A: Structure and Function

Crosscutting Concepts
Stability and Change


The following assessments were created by science teachers hoping to better understand the NGSS. In most cases teachers went from standard to assessment in around an hour.  These are drafts and should be used accordingly. Feel free to improve these assessments or contribute to the collection. Learn more about assessment design here.




Stability and Change
Feedback mechanism (positive and negative)
Internal conditions
External conditions
Living system


Learning Plans


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