Performance Task 1: How the Idea of Atoms along with the Idea of Elements Evolved

In a 1/8 Illustration Board, make a creative representation (e.g. timeline, graphic organizer, etc.) of the historical development of the Atom, paralleled with the development of the concept of chemical elements. 

Express your creativity and utilize materials of your choice. Maintain size.

***Cut out the Rating Sheet below and glue it to the back of your output. Fill in Name and Section Tabs.

Performance Task # 1 How the Idea of Atoms along with the Idea of Elements Evolved Performance Rating Sheet
Name:                                                                                                                                                      Section:
Category	Exceeds Expectations (4 pts)	Meets Expectations (3 pts)	Approaches Expectations (2 pts)	Does not meet Expectations (1 pt)	Score
Title	The timeline has a creative title that accurately describes the material and is easy to find.	The timeline has an effective title that accurately describes the material and is easy to find.	The timeline has a title that is easy to find.	The title is missing or difficult to find.
Content and Facts	Facts and descriptions were accurate for all events reported on the timeline.  Included a comprehensive and varied collection of important dates and relevant events.	Facts and descriptions were accurate for almost all events reported on the timeline.  Included a good collection of important dates and relevant events.	Facts and descriptions were accurate for most (~75%) of the events reported on the timeline.  Included most important dates and relevant events.	Facts and descriptions were often inaccurate for events reported on the timeline.  Timeline omitted a number of important dates and events.
Dates	An accurate, complete date has been included for each event; all dates are in chronological order.	An accurate, complete date has been included for almost every event; all dates are in chronological order.	An accurate date has been included for most events; most dates are in chronological order.	Dates are inaccurate and/or missing for several events; many dates are not in chronological order.
Spelling, Grammar and Capitalization	Spelling, grammar and capitalization are correct throughout.	Spelling, grammar and capitalization are mostly correct.	There are a number of spelling, grammar and capitalization errors throughout.	There were many spelling, grammar and capitalization errors that affect the ability to understand.
Creativity and Appearance	The overall appearance of the timeline is pleasing and easy to read.	The overall appearance of the timeline is somewhat pleasing and easy to read.	The timeline is relatively readable.	The timeline is difficult to read.
Total/Accumulated Points:

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