NCES.6.P.2 - Understand the structure, classifications and physical properties of matter.
- NCES.6.P.2.1 - Recognize that all matter is made up of atoms and atoms of the same element are all alike, but are different from the atoms of other elements.
- NCES.6.P.2.2 - Explain the effect of heat on the motion of atoms through a description of what happens to particles during a change in phase.
- NCES.6.P.2.3 - Compare the physical properties of pure substances that are independent of the amount of matter present including density, melting point, boiling point, and solubility to properties that are dependent on the amount of matter present to include volume, mass and weight.