Year 12 Chemistry - Assessment


Assessment Schedule

The types of assessment tasks adminstered by different schools will obviously vary. The information below represents a typical assessment schedule consisting of four tasks.

Task
Weight
Date
Description

Task 1 - Practical Examination

20%

Term 1
Week 4

An examination with a focus on the planning, design and collection of data for a mandatory or other related first-hand other investigation.

Task 2 - Mid-Course Examination

20%

Term 1
Weeks 8-9

A written examination covering content from 9.2 Production of Materials and 9.3 The Acidic Environment.

Task 3 - Data Processing, Analysis and Presentation

20%

Term 2
Week 5

A written examination focusing on the processing, presentating and drawing conclusions from given data as well as the evaluation of the experimental method and results.

Task 4 - Trial Examination

40%

Term 3
Weeks 3-4

A written examination covering all content from 9.2 Production of Materials, 9.3 The Acidic Environment and 9.4 Chemical Monitoring and Management.




Task Descriptions and Sample Tasks

Task 1 - Practical Examination

Total Marks - 35
Time Allowed - 60 minutes plus 5 minutes reading time
Part A - Practical work and written report (25 marks)
Part B - One question with three parts on interpreting given data (10 marks)

Objectives

9.1 Chemistry Skills

  • H11 - Justifies the appropriateness of a particular investigation plan
  • H12 - Evaluates ways in which accuracy and reliability could be improved in investigations
  • H13 - Uses terminology reporting styles appropriately and successfully to communicate information and understanding
  • H14 - Assesses the validity of conclusions drawn from gathered data and information
Scope

This task will require you to complete an experiment and write a report using a given method for a given investigation. Part B involves answering questions on given data from an experiment with the same aim but a different method to Part A.

Preparation

You should prepare by making sure you understand and can apply the following concepts:

  • Collection and presentation of valid and reliable data
  • Mathematically processing and presenting collected data
  • Writing practical reports
  • Validity, reliability and accuracy and ways to improve them
Sample Task
 

 

Task 2 - Mid Course Examination

Total Marks - 65
Time Allowed - 120 minutes plus 5 minutes reading time
Part A - 20 multiple choice questions (20 marks)
Part B - Extended response questions (45 marks)

Objectives

Prescribed Focus Areas

  • H1 - Evaluates how major advances in scientific understanding and technology have changed the direction or nature of scientific thinking
  • H2 - Analyses the ways in which models, theories and laws in chemistry have been tested and validated

Knowledge Domain

  • H6 - Explains reactions between elements and compounds in terms of atomic structures and periodicity
  • H7 - Describes the chemical basis of energy transformations in chemical reactions
  • H8 - Assesses the range of factors which influence the type and rate of chemical reactions
  • H9 - Describes and predicts reactions involving carbon compounds
  • H10 - Analyses stoichiometric relationships

9.1 Chemistry Skills

  • H11 - Justifies the appropriateness of a particular investigation plan
  • H12 - Evaluates ways in which accuracy and reliability could be improved in investigations
  • H13 - Uses terminology and reporting styles appropriately and successfully to communicate information and understanding
  • H14 - Assesses the validity of conclusions from gathered data and information
  • H16 - Justifies positive values about and attitude towards both the living and non-living components of the environment, ethical behaviour and a desire for critical evaluation of the consequences of the applications of science

9.2 Production of Materials

  • 9.2.1 - Fossil fuels provide both energy and raw materials such as ethylene, for the production of other substances
  • 9.2.2 - Some scientists research the extraction of materials from biomass to reduce our dependence on fossil fuels
  • 9.2.3 - Other resources, such as ethanol, are readily available from renewable resources such as plants
  • 9.2.4 - Oxidation-reduction reactions are increasingly important as a source of energy
  • 9.2.5 - Nuclear chemistry provides a range of materials

9.3 The Acidic Environment

  • 9.3.1 - Indicators were identified with the observation that the colour of some flowers depends on soil composition
  • 9.3.2 - While we usually think of the air around us as neutral, the atmosphere naturally contains acidic oxides of carbon, nitrogen and sulfur. The concentrations of these acidic oxides have been increasing since the Industrial Revolution
  • 9.3.3 - Acids occur in many foods, drinks and even within our stomachs
  • 9.3.4 - Because of the prevalence and importance of acids, they have been used and studied for hundreds of years. Over time, the definitions of acid and base have been refined
  • 9.3.5 - Because of the prevalence and importance of acids, they have been used and studied for hundreds of years. Over time, the definitions of acid and base have been refined
Scope

This task is a written examination with questions written in the style of the HSC examination.

Preparation

You should prepare by:

  • Constructing summaries of content areas above
  • Practicing past exam papers and other similar questions
  • Asking for focused help from your teacher
  • Becoming familiar with the methods and interpretation of results from mandatory practical work
  • Drawing conclusions about relationships between variables from graphs of collected data
  • Ensuring that you can correctly identify which chemical equations to use in different contexts
Sample Task
 

 

Task 3 - Data Processing and Presentation

Total Marks - 40 marks
Time Allowed - 60 minutes plus 5 minutes reading time
Part A - Multiple choice questions (10 marks)
Part B - Extended response questions (30 marks)

Objectives

9.1 Chemistry Skills

  • H11 - Justifies the appropriateness of a particular investigation plan
  • H12 - Evaluates ways in which accuracy and reliability could be improved in investigations
  • H13 - Uses terminology reporting styles appropriately and successfully to communicate information and understanding
  • H14 - Assesses the validity of conclusions drawn from gathered data and information
Scope

In Part A of this task you will be required to answer ten multiple choice questions related to data processing, presentation and interpretation, and other chemistry skills as listed above. In Part B you will be provided with data collected from experiments. The questions will guide you through a process of processing, presenting, analysing then interpreting the data to draw appropriate conclusions.

Preparation

You should prepare by:

  • Reviewing all chemistry skills as listed above
  • Reviewing all first hand investigations studied this year and becoming familiar with the interpretation and processing of results
  • Reviewing the concepts of reliability, validity and accuracy in relation to experiment design and first hand investigations
  • Reviewing appropriate graphing procedure and graph interpretation to establish relationships between variables
  • Reviewing dependent, independent and controlled variables in the context of experiment design and first hand investigations
  • Asking for focused help from your teacher
  • Drawing conclusions about relationships between variables from graphs of collected data
Sample Task
 

 

Task 4 - Trial Examination

Total Marks - 100
Time Allowed - 180 minutes plus 5 minutes reading time
Part A - 20 multiple choice questions (20 marks)
Part B - Extended response questions (80 marks)

Objectives

Prescribed Focus Areas

  • H1 - Evaluates how major advances in scientific understanding and technology have changed the direction or nature of scientific thinking
  • H2 - Analyses the ways in which models, theories and laws in chemistry have been tested and validated
  • H3 - Assesses the impact of particular advances in chemistry on the development of technologies
  • H4 - Assesses the impacts of applications of chemistry on society and the environment
  • H5 - Identifies possible future directions of chemistry research

Knowledge Domain

  • H6 - Explains reactions between elements and compounds in terms of atomic structures and periodicity
  • H7 - Describes the chemical basis of energy transformations in chemical reactions
  • H8 - Assesses the range of factors which influence the type and rate of chemical reactions
  • H9 - Describes and predicts reactions involving carbon compounds
  • H10 - Analyses stoichiometric relationships

9.1 Chemistry Skills

  • H11 - Justifies the appropriateness of a particular investigation plan
  • H12 - Evaluates ways in which accuracy and reliability could be improved in investigations
  • H13 - Uses terminology and reporting styles appropriately and successfully to communicate information and understanding
  • H14 - Assesses the validity of conclusions from gathered data and information
  • H16 - Justifies positive values about and attitude towards both the living and non-living components of the environment, ethical behaviour and a desire for critical evaluation of the consequences of the applications of science

9.2 Production of Materials

  • 9.2.1 - Fossil fuels provide both energy and raw materials such as ethylene, for the production of other substances
  • 9.2.2 - Some scientists research the extraction of materials from biomass to reduce our dependence on fossil fuels
  • 9.2.3 - Other resources, such as ethanol, are readily available from renewable resources such as plants
  • 9.2.4 - Oxidation-reduction reactions are increasingly important as a source of energy
  • 9.2.5 - Nuclear chemistry provides a range of materials

9.3 The Acidic Environment

  • 9.3.1 - Indicators were identified with the observation that the colour of some flowers depends on soil composition
  • 9.3.2 - While we usually think of the air around us as neutral, the atmosphere naturally contains acidic oxides of carbon, nitrogen and sulfur. The concentrations of these acidic oxides have been increasing since the Industrial Revolution
  • 9.3.3 - Acids occur in many foods, drinks and even within our stomachs
  • 9.3.4 - Because of the prevalence and importance of acids, they have been used and studied for hundreds of years. Over time, the definitions of acid and base have been refined
  • 9.3.5 - Because of the prevalence and importance of acids, they have been used and studied for hundreds of years. Over time, the definitions of acid and base have been refined

9.4 Chemical Monitoring and Management

  • 9.4.1 - Much of the work of chemists involves monitoring the reactants and products of reactions and managing reaction conditions
  • 9.4.2 - Chemical processes in industry require monitoring and management to maximise production
  • 9.4.3 - Manufactured products, including food, drugs and household chemicals, are analysed to determine or ensure their chemical composition
  • 9.4.4 - Human activity has caused changes in the composition and the structure of the atmosphere. Chemists monitor these changes so that further damage can be limited
  • 9.4.5 - Human activity also impacts on waterways. Chemical monitoring and management assists in providing safe water for human use and to protect the habitats of other organisms
Scope

This task is a written examination with questions in the style of the HSC examination.

Preparation

You should prepare by:

  • Constructing summaries of content areas above
  • Practicing past exam papers and other similar questions
  • Asking for focused help from your teacher
  • Becoming familiar with the methods and interpretation of results from mandatory practical work
  • Drawing conclusions about relationships between variables from graphs of collected data
  • Ensuring that you can correctly identify which formula to apply in different contexts
Sample Task

These tasks are not available due to copyright restrictions.

For sample tasks please download the 2010 HSC examination and sample answers below.




HSC Exams

HSC Examinations from the Board of Studies website can be downloaded below.

Year
Examination Paper
Marking Guidelines
Notes from the
Marking Centre
Sample
Answers
2001
Not available
Not available
2002
Not available
Not available
2003
Not available
Not available
2004
Not available
Not available
2005
Not available
Not available
2006
Not available
Not available
2007
Not available
Not available
2008
Not available
Not available
2009
2010
2011