2-ESS1-1
Use information from several sources to provide evidence that Earth events can occur quickly or slowly.
Clarification statement: Examples of events and timescales could include volcanic explosions and earthquakes, which happen quickly and weathering and erosion of rocks, which may occur slowly.
Assessment boundary: Assessment does not include quantitative measurements of timescales.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of 2-ESS1-1.

Assessment
What assessment of 2-ESS1-1 might look like on a NY state exam.

NGSS Dimensions
Performance expectation 2-ESS1-1 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Connections to Other Standards
2-ESS1-1 connections to ELA, math, and other science standards as outlined by the NYS Education Department: