Hsc Chemistry First Hand Investigation
HSC Chemistry
Assessment Task 1
Production of Materials
Task Type:
First Hand Investigation
Weighting
20%
Due Date:
Friday 22nd November during your normal chemistry period.
Task Type:
Hand in + First Hand Investigation
Assessment Task Context
The first battery or voltaic cell (later named a galvanic cell) was made by Alessandro Volta, his discoveries led to the first working batteries. Over time the chemistry and construction of a battery has been refined, and society has become more reliant on these efficient portable sources of electrical energy. With the positive benefits of batteries come many environmental problems. The role of chemists play an important role in not only refining the chemistry of current …show more content…
batteries, but also developing new sources of portable energy which have reduced environmental impacts.
Assessment Overview
This assessment task consists of two parts:
1. You are to construct a simple model of a battery.
You are to bring your model to school on the day the task is due.
You are to test and record the voltage it produces on the day the task is due in your normal chemistry lesson.
2. You are to complete a summary sheet of your battery outlining: the redox reactions occurring in the battery
An explanation of how your battery works
The potential use and practicality of the battery
Potential environmental impacts.
This section is to be handed in complete on the day your assessment task is due.
Syllabus Content Being Covered
The below syllabus dot points is the content knowledge that will assist you in completing this assessment task: describe and explain galvanic cells in terms of oxidation/reduction reactions outline the construction of galvanic cells and trace the direction of electron flow define the terms anode, cathode, electrode and electrolyte to describe galvanic cells perform a first-hand investigation to identify the conditions under which a galvanic cell is produced perform a first-hand investigation and gather first-hand information to measure the difference in potential of different combinations of metals in an electrolyte solution solve problems and analyse information to calculate the potential requirement of named electrochemical processes using tables of standard potentials and half-equations
Outcomes being Assessed
Syllabus Outcomes
Report Outcomes
H4. assesses the impacts of applications of chemistry on society and the
environment
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
H10. Analyses stoichiometric relationships
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
Assesses how scientific processes impacts the application of chemistry on society and the environment
Explains the conditions which affect materials produced in chemical reactions
Evaluates the validity, reliability and accuracy of scientific data and information.
Name
Teacher
______________________________________
Leondios
Jamble
Anderson
1. Complete the table below to sumamrise the chemistry behind your battery (5 marks)
Anode
.....................................................................................................................................
.....................................................................................................................................
Cathode
.....................................................................................................................................
.....................................................................................................................................
Electrolyte
......................................................................................................................................
2. Test your battery and obtain a voltage reading. (2 marks)
a. Complete the information below.
EMF Laboratory
(to be completed in day task is handed in)
.....................................................................................................................................
EMF Theoretical
.....................................................................................................................................
.....................................................................................................................................
.....................................................................................................................................
b. Account for the reasons why the EMF value obtained in the laboratory is different to the theoretical EMF value. (4 marks)
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3. Draw a cell diagram to show the structure of your battery. (4 marks)
4. Using your knowledge of the chemistry of batteries, describe how your battery works. (3 marks)
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5. Compare the design and function of your battery, to the design and function of either a dry cell or a lead-acid cell. (4 marks)
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6. Evaluate the use of your battery. (6 marks)
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Student Confirmation
I certify that as a Fortian the work in this assessment task is my own work. I have followed the guidelines I learnt about whilst completing the ‘All my own work” unit. I understand that if it is determined that the assessment task is not my own work, then I will be awarded a mark of 0, as this would constitute academic misconduct.
Student Signature ____________________________________
Task Total
Marking Criteria
During this assessment task you will be assessed on your ability to:
Fully indentifies and describes the structure and chemistry of a galvanic cell supported with redox equations, fully labelled scientific diagrams and Eo values.
Demonstrate how to gather scientific data and provides scientifically valid reasons why this data is not reliable.
Provide an in-depth comparison of battery made to a dry cell or lead acid battery by referring to the design and chemistry of the two cells.
Evaluate the potential use of battery constructed supported by experimental data collected, cost, practicality and environmental impact.
Use scientific terminology appropriately to support your responses.
Support your responses with relevant chemical equations.
Show detailed full working out for all chemical calculations.
Draw scientific diagrams properly.
Assessment Task 1
Production of Materials
Task Type:
First Hand Investigation
Weighting
20%
Due Date:
Friday 22nd November during your normal chemistry period.
Task Type:
Hand in + First Hand Investigation
Assessment Task Context
The first battery or voltaic cell (later named a galvanic cell) was made by Alessandro Volta, his discoveries led to the first working batteries. Over time the chemistry and construction of a battery has been refined, and society has become more reliant on these efficient portable sources of electrical energy. With the positive benefits of batteries come many environmental problems. The role of chemists play an important role in not only refining the chemistry of current …show more content…
batteries, but also developing new sources of portable energy which have reduced environmental impacts.
Assessment Overview
This assessment task consists of two parts:
1. You are to construct a simple model of a battery.
You are to bring your model to school on the day the task is due.
You are to test and record the voltage it produces on the day the task is due in your normal chemistry lesson.
2. You are to complete a summary sheet of your battery outlining: the redox reactions occurring in the battery
An explanation of how your battery works
The potential use and practicality of the battery
Potential environmental impacts.
This section is to be handed in complete on the day your assessment task is due.
Syllabus Content Being Covered
The below syllabus dot points is the content knowledge that will assist you in completing this assessment task: describe and explain galvanic cells in terms of oxidation/reduction reactions outline the construction of galvanic cells and trace the direction of electron flow define the terms anode, cathode, electrode and electrolyte to describe galvanic cells perform a first-hand investigation to identify the conditions under which a galvanic cell is produced perform a first-hand investigation and gather first-hand information to measure the difference in potential of different combinations of metals in an electrolyte solution solve problems and analyse information to calculate the potential requirement of named electrochemical processes using tables of standard potentials and half-equations
Outcomes being Assessed
Syllabus Outcomes
Report Outcomes
H4. assesses the impacts of applications of chemistry on society and the
environment
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
H10. Analyses stoichiometric relationships
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
Assesses how scientific processes impacts the application of chemistry on society and the environment
Explains the conditions which affect materials produced in chemical reactions
Evaluates the validity, reliability and accuracy of scientific data and information.
Name
Teacher
______________________________________
Leondios
Jamble
Anderson
1. Complete the table below to sumamrise the chemistry behind your battery (5 marks)
Anode
.....................................................................................................................................
.....................................................................................................................................
Cathode
.....................................................................................................................................
.....................................................................................................................................
Electrolyte
......................................................................................................................................
2. Test your battery and obtain a voltage reading. (2 marks)
a. Complete the information below.
EMF Laboratory
(to be completed in day task is handed in)
.....................................................................................................................................
EMF Theoretical
.....................................................................................................................................
.....................................................................................................................................
.....................................................................................................................................
b. Account for the reasons why the EMF value obtained in the laboratory is different to the theoretical EMF value. (4 marks)
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
3. Draw a cell diagram to show the structure of your battery. (4 marks)
4. Using your knowledge of the chemistry of batteries, describe how your battery works. (3 marks)
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
5. Compare the design and function of your battery, to the design and function of either a dry cell or a lead-acid cell. (4 marks)
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
...................................................................................................................................................................................................
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6. Evaluate the use of your battery. (6 marks)
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Student Confirmation
I certify that as a Fortian the work in this assessment task is my own work. I have followed the guidelines I learnt about whilst completing the ‘All my own work” unit. I understand that if it is determined that the assessment task is not my own work, then I will be awarded a mark of 0, as this would constitute academic misconduct.
Student Signature ____________________________________
Task Total
Marking Criteria
During this assessment task you will be assessed on your ability to:
Fully indentifies and describes the structure and chemistry of a galvanic cell supported with redox equations, fully labelled scientific diagrams and Eo values.
Demonstrate how to gather scientific data and provides scientifically valid reasons why this data is not reliable.
Provide an in-depth comparison of battery made to a dry cell or lead acid battery by referring to the design and chemistry of the two cells.
Evaluate the potential use of battery constructed supported by experimental data collected, cost, practicality and environmental impact.
Use scientific terminology appropriately to support your responses.
Support your responses with relevant chemical equations.
Show detailed full working out for all chemical calculations.
Draw scientific diagrams properly.