PS1+(9-11)+-+2


 * Students demonstrate an understanding of characteristic properties of matter by …**

__2a using given data (diagrams, charts, narratives, etc.) and advances in technology to explain how the understanding of atomic structure has changed over time.__



What do this GSE mean?
Students will be able to explain how we have changed the way atoms are viewed as the technology available to science improves.



What subtopics do students need to address to understand these GSEs?

 * Modern Atomic Theories
 * Technologies used to update and create these theories

What ideas to students need to understand before they can address the topics described above?

 * Matter is composed of atoms
 * Definition of an Atom

What misconceptions are students likely to have about these topics?

 * Atoms are only in solid form
 * Atoms are only in bombs
 * Atomic theory is static

What phenomena and representations help students understand these topics?
History of technology (electricity, radioactivity, spectral analysis, etc)
 * Demonstration: Carbon Dioxide Fire Extinguisher

media type="custom" key="5084179"

Write a letter to John Dalton describing how the atomic theory has changed since his death. Include diagrams, experimental evidence, etc.

What resources are available for this topic?
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