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Unit B Assessment

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Course: Chemistry 20 SS
Book: Unit B Assessment
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Date: Thursday, 18 September 2025, 11:48 AM

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1. Unit B Assessment

Assessment

Unit B Assessment

How are relationships among pressure, volume, temperature, and amount of gas used in some common technologies?

 

Your unit assessment will require you to write an explanation of how one or more of these relationships is applied in the function and operation of a technology.

 

In each of the four lessons within this unit, descriptions of technologies are located in the Reflect and Connect and Reflect on the Big Picture sections. Select one of the technologies introduced in these sections and use the description to develop your response.

 

Your success in completing this assessment will depend on your ability to identify clearly the aspects of the technology that relate to the gas laws and the variables within each relationship.

 

If you have completed responses to more than one of the descriptions of a technology, select the response that demonstrates your best work.  If you wish to revise and improve the response, do so now.  Submit your best response to your teacher for assessment.

 

Use the following scoring guide to assist you in developing your response:

 

Score

Criteria

5
Excellent

The student demonstrates an excellent understanding of all the components of the question and fully and correctly supports those components.


Statements made in the response are organized, unambiguous, and supported explicitly, but may contain a minor error or have minor omissions.

4
Good

The student demonstrates a good understanding of all the components of the question and fully and adequately supports those components.


Statements made in the response are unambiguous, mostly complete, mostly correct, but may contain errors.

3
Satisfactory

The student demonstrates a basic understanding of the components of the question.


Statements made in the response may be disorganized, ambiguous, and incomplete, and may lack support.

2
Limited

The student demonstrates a limited understanding of the components of the question.


Statements made in the response lack details, clarity, and support.

1
Poor

The student provides a solution that contains relevant statements that begin to answer the question.

0
Insufficient

The response is incorrect and/or totally off topic.