Proficiency Standards End of Grade Six (Elementary) Students will be able to: &#149;Perform an experiment to demonstrate that matter exists in different states that are interchangeable, e.g. melting ice cubes, boiling water &#149;Perform an experiment to demonstrate common properties of gases, liquids, and solids &#149;Describe and record how treatments such as heating, wetting, bending, or combining with other materials affect substances &#149;Perform or describe experiments which illustrate the difference between physical and chemical changes in substances End of Grade Ten (Secondary) Students will be able to: &#149;Explain that the arrangement, configuration and/or motion of atoms, molecules, and ions of a particular substance determine the structure and, thus, the properties of that substance &#149;Recognize 
(Proficiency Standards End of Grade Six (Elementary) Students; will be; able to) (End of Grade Ten (Secondary) Students; will be; able to) (different states; are; interchangeable) (experiments; illustrate; the difference between physical and chemical changes in substances)
Proficiency Standards End of Grade Six (Elementary) Students End of Grade Ten (Secondary) Students different states experiments
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interchangeable
the difference between physical and chemical changes in substances