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Unit Assessment

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Course: Chemistry 20 SS
Book: Unit Assessment
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Date: Thursday, 18 September 2025, 11:46 AM

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Table of contents

1. Unit Assessment

Assessment

Unit A Assessment

Nanotechnology is being described as the next revolution in science. Developing materials at the atomic scale are being used for the delivery of drugs, for construction of molecules, for application or coatings, and even for cleaning up toxic waste.

 

Prepare a presentation demonstrating how nanotechnology involves the principles of chemistry you have studied in Modules 1 and 2. These principles include knowledge of the following:

  • the structure of the atom
  • chemical bonding (intramolecular bonds)
  • bonding forces (intermolecular bonds)

Your presentation may involve a description of the tools used in nanotechnology, the design of chemical systems at the nano-level, or an explanation of how a discovery using nanotechnology works.

 

As you plan your presentation, consider what will be the most effective means to convey the important aspects you have learned. To assist your planning, consult the scoring guide shown below:

 

Assessment Components

  • The student produces a clear and unambiguous answer (5 marks—see scoring criteria below).

  • Appropriate scientific conventions are used, such as units, significant digits, and states (up to 2 bonus marks).

  • The response demonstrates good organizational skills and is presented in a logical manner (5 marks).

  • The response demonstrates effective choice and use of media for presentation (5 marks for suitability to content and to audience).

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.