PS2+(3-4)+-+4


 * Students demonstrate an understanding of energy by…**

4a experimenting to identify and classify different pitches and volumes of sounds produced by different objects.

4b using data to explain what causes sound to have different pitch or volume

4c describing or showing that heat can be produced in many ways (e.g. electricity, friction, burning).

4d drawing, diagramming, building, and explaining a complete electrical circuit.

4e using experimental data to classify a variety of materials as conductors or insulators