PS1+p3


 * = 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 conservation of matter by …
 * ||  Grade Span Expectations (K-4) || 
 * || **PS1 (K-2)-3

**3a using simple tools (e.g. balance scale, see-saw) to explore the property of weight.  || **PS1 (3-4)-3 Students demonstrate an understanding of conservation of matter by …**

__3a measuring the weight of objects to prove that all matter has weight.

3b using measures of weight to prove that the whole equals the sum of its parts.

3c showing that the weight of an object remains the same despite a change in its shape.__ || **PS1 (5-6)-3 Students demonstrate an understanding of conservation of matter by …

**3a explaining that regardless of how parts of an object are arranged, the __mass of the whole is always the same as the sum of the masses of its parts.__ <span class="wiki_link"> || **<span class="wiki_link_new">PS1 (7-8) -3 Students demonstrate an understanding of conservation of matter by …

**__<span class="wiki_link_new">3a citing evidence to conclude that the amount of matter before and after undergoing a physical or a chemical change in a closed system remains the same. __<span class="wiki_link_new"> || **<span class="wiki_link_new">PS1 (9-11)-3 Students demonstrate an understanding of characteristic properties of matter by …

**<span class="wiki_link_new">3a identifying and __explaining the basis for the arrangement of the elements within the periodic table (e.g. trends, valence electrons, reactivity,__ electronegativity, ionization). 3b __predicting__ the relative physical and chemical properties of an element based on its location within the Periodic Table. <span class="wiki_link_new"> || **Example Extension(s)** ||