5-PS1-1
Develop a model to describe that matter is made of particles too small to be seen.
Clarification statement: Examples of evidence supporting a model could include adding air to expand a basketball, compressing air in a syringe, dissolving sugar in water, and evaporating salt water.
Assessment boundary: Assessment does not include the atomic-scale mechanism of evaporation and condensation or defining the unseen particles.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of 5-PS1-1.
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Assessment
What assessment of 5-PS1-1 might look like on a NY state exam.
 This section could be expanded upon. You can help out by adding to this section.
 This section could be expanded upon. You can help out by adding to this section.
 
NGSS Dimensions
Performance expectation 5-PS1-1 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Connections to Other Standards
5-PS1-1 connections to ELA, math, and other science standards as outlined by the NYS Education Department: