PS1+p1


 * = PS1 - All living and nonliving things are composed of matter having characteristic properties that distinguish one substance from another (independent of size or amount of substance). =

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//Click on the GSE numbers, e.g PS1 (K-2) - POC - 2, in the table below to reach additional information about each GSE. // || Grade Span Expectations (5-8) ||  || Grade Span Expectations (HS) ||   || Students demonstrate an understanding of characteristic properties by...**
 * || Grade Span Expectations (K-4) || 
 * || **PS1 (K-2) - 1

1a identifying, comparing, and sorting objects by similar or different physical properties (e.g., size, shape, color, texture, smell, weight).

1b recording observations/data about physical properties.

1c using attributes of properties to state why objects are grouped together (e.g., things that roll, things that are rough). || **PS1 (3-4)–1 Students demonstrate an understanding of characteristic properties of matter by …**

1a identifying, comparing, and sorting objects by similar or different physical properties (e.g., size, shape, color, texture, smell, weight, __temperature, flexibility)__.

__1b citing evidence (e.g., prior knowledge, data) to support conclusions about why objects are grouped/not grouped together__.


 * Students demonstrate an understanding of physical changes by …**

__1c observing and describing physical changes (e.g. freezing, thawing, torn piece of paper).__ || **PS1 (5-6)-1 Students demonstrate an understanding of characteristic properties of matter by …**

__1a comparing the masses of objects of equal volume made of different substances.__ || **PS1 (7-8) - 1 Students demonstrate an understanding of characteristic properties of matter by …**

1a measuring mass and volume of both regular and irregular objects and using those values as well as the relationship __D=m/v to calculate density__ || **PS1 (9-11) - 1 Students demonstrate an understanding of characteristic properties of matter by …**

1a utilizing appropriate data (related to chemical and physical properties), to __distinguish__ one substance from another or identify an unknown substance.

__1b determining the degree of change in pressure of a given volume of gas when the temperature changes incrementally (doubles, triples, etc.).__ || **Example Extension(s)

PS1 (Ext) - 1 Students demonstrate an understanding of characteristic properties of matter by …**

__1aa explaining the states of a substance in terms of the particulate nature of matter and the forces of interaction between particles.__

__1bb quantitatively determining how volume, pressure, temperature and amount of gas affect each other (PV=nRT) in a system.__ ||