2009 HSC Senior Science Marking Guidelines

Transcription

1 009 HSC Senior Science Marking Guidelines Section I, Part A Question Correct Response D A C 4 D 5 B 6 A 7 D 8 C 9 B 0 C A B B 4 D 5 A

2 009 HSC Senior Science Marking Guidelines Section I, Part B Question 6 (a) Outcomes assessed: H9 Any ONE of hip joint, shoulder joint, elbow joint, finger joint, knee joint, wrist joint, skull/spine joint or other joint that moves in some form. Question 6 (b) Outcomes assessed: H9 Identifies Y as cartilage Identifies function of cartilage in a joint Identifies Y as cartilage Identifies the function of cartilage in a joint

3 009 HSC Senior Science Marking Guidelines Question 7 (a) Outcomes assessed: H7, H9, H4 Relates effect of pulling rubber sheet to its cause Identifies an effect Question 7 (b) Outcomes assessed: H9, H Makes a relevant statement about this model AND Provides a reason for using models in science Provides TWO reasons for using models in science Makes a relevant statement about this model Provides a reason for using models in science

4 009 HSC Senior Science Marking Guidelines Question 8 (a) Outcomes assessed: H9, H, H Draws labelled diagram of the cells accurately representing the photo and includes TWO correct labels Draws accurate diagram of cells with labels Draws a simple diagram but only labels one features of cell Accurate representation of cells with no labels Question 8 (b) Outcomes assessed: H9 Relates the identified role of skin to the identified risk of surgery States how risk can be reduced Identifies a risk of surgery Identifies role of skin Identifies a risk of surgery States how risk can be reduced Identifies role of the skin States how risk can be reduced Identifies a risk of surgery Identifies a role of the skin States how risk of surgery can be reduced 4

5 009 HSC Senior Science Marking Guidelines Question 9 Outcomes assessed: H0, H, H4 Makes correct statements about copper wire and optical fibre related to stimulus material about security and data transfer rates AND 4 Concludes that optical fibre is better Makes correct comparison of copper wire and optical fibre for data transfer security Makes a statement about the other factor (data transfer or security) Makes correct comparison of copper wire and optical fibre for data transfer security Makes a correct relevant statement about copper wire or optical fibre Question 0 Outcomes assessed: H4, H8 Distinguishes between soap AND soapless detergent AND Presents beneficial and detrimental effects on the environment, for soap and soapless detergents Provides a feature of soap soapless detergent AND Outlines TWO or more environmental effects Presents ONE factual statement about soaps soapless detergent States ONE environmental effect States TWO environmental effects of either Makes a factual statement about soaps soapless detergents Identifies an environmental effect

6 009 HSC Senior Science Marking Guidelines Question (a) Outcomes assessed: H Distinguishes between heart rate and breathing rate Axes correctly scaled 4 Data correctly plotted Accurate lines drawn THREE of the above TWO of the above ONE of the above Question (b) Outcomes assessed: H4 Relates the trend to a specific physiological change Identify that heart rate increases with time 6

7 009 HSC Senior Science Marking Guidelines Question (a) Outcomes assessed: H, H Provides correct answer with units Provides correct answer without correct units Provides correct substitution into formula shown Question (b) Outcomes assessed: H0 States TWO advantages of using optical fibre link over satellite link States ONE advantage of using optical fibre link over satellite link 7

8 009 HSC Senior Science Marking Guidelines Question (a) Outcomes assessed: H8, H Identifies number of drops as dependent variable Question (b) Outcomes assessed: H Identifies a feature of the investigation that ensures its validity Question (c) Outcomes assessed: H8 Relates the results of the investigation to the changes detergent makes to the surface tension of water States a change in the behaviour of the water due to detergent 8

9 009 HSC Senior Science Marking Guidelines Question 4 (a) Outcomes assessed: H8 Names TWO properties Names ONE property Question 4 (b) Outcomes assessed: H0, H Shows path of the ray of light through core of fibre Shows the correct application of reflection Shows a reflected ray that remains in the central core Question 5 (a) Outcomes assessed: H, H7, H9, H0 Relates the identified scientific idea to the technology for each technology Identifies a relevant scientific idea Identifies a relevant feature of the technology Question 5 (b) Outcomes assessed: H5, H7, H9, H0 Explains how identified research could lead to improvement of identified technology Identifies a relevant possible future direction of scientific research 9

10 009 HSC Senior Science Marking Guidelines Question 6 Outcomes assessed: H9, H0 Demonstrates thorough knowledge and understanding of all THREE suggested diagnostic methods 5 Provides a specific supported judgement of appropriate test Demonstrates thorough knowledge and understanding of suggested diagnostic method(s) 4 Provides a specific supported judgement of an appropriate test Demonstrates a basic knowledge of diagnostic tests Demonstrates a limited knowledge of one diagnostic test Question 7 Outcomes assessed: H0, H4 Demonstrates thorough knowledge and understanding of energy conversions as they relate to communications technology Provides features and characteristics of THREE steps in the process Communicates with coherence and logical progression and includes correct use of scientific principles and ideas Demonstrates sound knowledge and understanding of energy conversions as they relate to communication technology Provides features and characteristics of TWO steps in the process outlines THREE steps Communicates some scientific principles and ideas in a clear manner Demonstrates a basic knowledge of energy conversions as they relate to communication technology Provides features of ONE step in the process outlines steps in the process Communicates ideas in a basic form using general scientific terms Demonstrates a limited knowledge of energy conversions Communicates simple ideas

11 009 HSC Senior Science Marking Guidelines Question 8 (a) (i) Outcomes assessed: H4, H8 Correctly identifies meaning of triangles AND numbers Correctly identifies meaning of triangles numbers Question 8 (a) (ii) Outcomes assessed: H8 State that additives make recycling of PVC difficult or less viable and supports the statement with examples State that additives make recycling of PVC difficult/expensive or less viable than recycling of other polymers Question 8 (b) Outcomes assessed: H, H Percentage shown in table Magnitude of percentages consistent with the order of sector sizes in the pie chart Percentages add up to 00 Percentages shown in table AND Consistent with sector sizes Add up to 00% Data in rows and columns Adds up to 00%

12 009 HSC Senior Science Marking Guidelines Question 8 (c) Outcomes assessed: H8 Identifies a relevant thermoset plastic found in household waste Question 8 (d) (i) Outcomes assessed: H8 Sketches in general terms properties of polyester Correctly identifies ONE property of polyester Question 8 (d) (ii) Outcomes assessed: H8 States TWO contrasting properties of two polymers in a blend Gives reasons for the blend being superior to the single polymer States that blending polymers gives a fabric the useful properties of both polymers States TWO contrasting properties of two polymers in a blend States that different polymers have different properties States a contrasting property of two polymers in a blend

13 009 HSC Senior Science Marking Guidelines Question 8 (e) Outcomes assessed: H0, H4 Gives a definition of decomposer Identifies that micro-organisms recycle matter Identifies that micro-organisms decompose (break down) materials into simpler substances Identifies that micro-organisms recycle matter Question 8 (f) Outcomes assessed: H Sketches in general terms a relevant method of investigation that specifies what is to be measured Shows how an aspect of the investigation can be controlled Sketches in general terms a relevant method of investigation that specifies what is to be measured how an aspect of the investigation can be controlled Names ONE aspect of a relevant method of investigation

14 009 HSC Senior Science Marking Guidelines Question 8 (g) Outcomes assessed: H, H5, H8, H4 Demonstrates thorough knowledge and understanding of the production of synthetic polymers Provides everyday examples of the use of polymers Provides a jugdement of the impact of the shortage of polymers on everyday life Communicates with coherence and logical progression and includes correct use of scientific principles and ideas Demonstrates sound knowledge and understanding of the synthetic polymers Provides everyday examples of the use of polymers States an impact of the shortage of polymers Communicates some scientific principles and ideas in a clear manner Demonstrates a basic knowledge of synthetic polymers Provides example(s) Communicates ideas in a basic form using general scientific terms Demonstrates a limited knowledge of synthetic polymers Communicates simple ideas

15 009 HSC Senior Science Marking Guidelines Question 9 (a) (i) Outcomes assessed: H8 Identifies type of labeling Question 9 (a) (ii) Outcomes assessed: H8 Identifies that preservative use is illegal in canned foods States irrelevant nature of claim Identifies that canned food does not contain preservatives States irrelevant nature of claim Identifies that canned food does not contain preservatives States irrelevant nature of claim Question 9 (b) Outcomes assessed: H, H Percentages shown in a table Magnitude of percentages in table are consistent with the order of sector sizes in the pie chart Percentages add up to 00% Percentages shown in a table AND Consistent with sector sizes Add up to 00% Data in rows and columns Adds up to 00% 5

16 009 HSC Senior Science Marking Guidelines Question 9 (c) Outcomes assessed: H8 Correctly names a natural preservative used in food Question 9 (d) (i) Outcomes assessed: H8 Sketches in general terms similarity and ONE relevant difference between the types of preservation techniques Makes a relevant statement about either type of preservation method Question 9 (d) (ii) Outcomes assessed: H4 Describes TWO or more aspects of the impact of food preservation on society ONE impact on society (either negative/positive) Describes ONE impact on society related to the preservation methods Identifies ONE impact on society 6

17 009 HSC Senior Science Marking Guidelines Question 9 (e) (i) Outcomes assessed: H7, H8 Sketches in general terms a typical human allergic response AND Gives a relevant treatment for this response Names a typical human allergic response Gives a relevant treatment for an allergic response Question 9 (e) (ii) Outcomes assessed: H Identifies a logical method of investigation that must be controlled (ie only one variable) Identifies that method must be controlled Refers to one other relevant factor Suggests one suitable aspect of method 7

18 009 HSC Senior Science Marking Guidelines Question 9 (f) Outcomes assessed: H, H, H7, H8, H4 Demonstrates thorough knowledge and understanding of causes of food spoilage and how this can be controlled/reduced Shows clearly why modern methods reduce food spoilage during preparation Provides examples Communicates with coherence and logical progression and includes correct use of scientific principles and ideas Demonstrates sound knowledge and understanding of food spoilage and how this can be controlled/reduced States effects of food spoilage Provides examples Communicates some scientific principles and ideas in a clear manner Demonstrates a basic knowledge of food spoilage and food preparation Provides examples Communicates ideas in a basic form using general scientific terms Demonstrates a limited knowledge of food spoilage or food preparation Communicates simple ideas

19 009 HSC Senior Science Marking Guidelines Question 0 (a) (i) Outcomes assessed: H9 Identifies the bacteria type Question 0 (a) (ii) Outcomes assessed: H9 Provides features and characteristics of the process Names process Outlines TWO features of the process Names the process AND ONE feature Names the process gives a feature of the process Question 0 (b) Outcomes assessed: H, H Percentages shown in a table Magnitude of percentages in table are consistent with the order of sector sizes in the pie chart Percentages add up to 00% Percentages shown in a table AND Consistent with sector sizes Add up to 00% Data in rows and columns Adds up to 00% 9

20 009 HSC Senior Science Marking Guidelines Question 0 (c) Outcomes assessed: H8 Identifies an analgesic Question 0 (d) (i) Outcomes assessed: H9 Shows how veins and arteries are similar Shows how veins and arteries are different Gives a similarity Gives a difference between artery and vein Question 0 (d) (ii) Outcomes assessed: H7, H9 Shows clearly how the model relates to the distribution of an injected pharmaceutical Links injection of drug to entering circulation where it can be transported around the body A relevant statement about the circulatory system 0

21 009 HSC Senior Science Marking Guidelines Question 0 (e) (i) Outcomes assessed: H7, H8, H9 States a source and mode of action of a named antibiotic States a source or mode of action of a named antibiotic Question 0 (e) (ii) Outcomes assessed: H Outline a logical controlled procedure with results Outline a procedure with results Outline a procedure or results of an experiment showing bacteria being affected by antibiotics Question 0 (f) Outcomes assessed: H, H7, H8, H9, H4 Demonstrates thorough knowledge and understanding of inflammation, synapses and the effects of analgesics Relates the scientific knowledge of inflammation and synapses to the action of analgesics Communicates with coherence and logical progression and includes correct use of scientific principles and ideas Demonstrates sound knowledge and understanding of inflammation, synapses and effects of analgesics Describes the action of analgesics on inflammation and synapses Communicates some scientific principles and ideas in a clear manner Demonstrates a basic knowledge of inflammation, synapses and effect of analgesics Communicates ideas in a basic form using scientific terms Demonstrates a limited knowledge of inflammation synapses the effects of analgesics Communicates simple ideas

22 009 HSC Senior Science Marking Guidelines Question (a) (i) Outcomes assessed: H6 Names TWO aspects of a natural disaster Names ONE aspect of a natural disaster Question (a) (ii) Outcomes assessed: H6 Identifies location and year of a named natural disaster in Australia since 970 Identifies location or year of a named natural disaster in Australia since 970 Question (b) Outcomes assessed: H Percentages shown in a table Magnitude of percentages in table are consistent with the order of sector sizes in the pie chart Percentages add up to 00% Percentages shown in a table AND Consistent with sector sizes Add up to 00% Data in rows and columns Adds up to 00%

23 009 HSC Senior Science Marking Guidelines Question (c) Outcomes assessed: H0 Identify an example of an Australian disaster caused by human activity Question (d) (i) Outcomes assessed: H0 Sketches in general terms a situation and includes the relevant provision from the policy Outlines a situation Outlines a provision about structure and maintenance Question (d) (ii) Outcomes assessed: H0, H4 Makes a correct judgement about payment supported by the insurance policy and refers to the relevant provisions Makes a correct judgement about payment without support from the insurance policy Makes a relevant statement

24 009 HSC Senior Science Marking Guidelines Question (e) Outcomes assessed: H0 States that closely spaced isobars indicate strong winds AND Relate isobars or wind to air pressure Relates isobars to air pressure States that closely spaced isobars indicate strong winds Question (f) Outcomes assessed: H5, H6, H0 Describes a modern weather forecasting technique and relates this to reduction in loss of life Identifies a modern weather forecasting technique and relates it to reduction in loss of life Identifies a modern weather forecasting technique and how it is an improvement Describes a modern weather forecasting technique Identifies a modern weather forecasting technique Provides a broad statement of how early prediction can reduce loss of life 4

25 009 HSC Senior Science Marking Guidelines Question (g) Outcomes assessed: H, H5, H4 Demonstrates thorough knowledge and understanding of the prediction/minimisation of the effect of disasters using available technology Relates various aspects of disaster management to warning people Provides a judgement on effectiveness of a system for warning people Communicates with coherence and logical progression and includes correct use of scientific principles and ideas Demonstrates sound knowledge and understanding of the prediction/ minimisation of the effect of disasters using available technology Provides a judgement on the effectiveness of a system for warning people Communicates some scientific principles and ideas in a clear manner Demonstrates a basic knowledge of the effect of disasters Suggests a possible warning system Communicates ideas in a basic form using general scientific terms Demonstrates a limited knowledge of the effect of disasters Communicates simple ideas

26 009 HSC Senior Science Marking Guidelines Question (a) (i) Outcomes assessed: H7, H4 Provides correct definition for circadian rhythm Identifies changes over time from the graph Identifies that this is a process which varies on a daily basis Question (a) (ii) Outcomes assessed: H7 Correctly identifies TWO activities Correctly identifies ONE activity Question (b) Outcomes assessed: H, H Percentages shown in a table Magnitude of percentages consistent with the order of sector sizes in the pie chart Percentages add up to 00% Percentages shown in a table AND Consistent with sector sizes Add up to 00% Data in rows and columns Adds up to 00% 6

27 009 HSC Senior Science Marking Guidelines Question (c) Outcomes assessed: H0 Identifies ONE space station currently in use Question (d) (i) Outcomes assessed: H6, H8 States that the property is that it s a poor heat conductor (low thermal conductivity) Question (d) (ii) Outcomes assessed: H6, H8 Links two conditions encountered during shuttle re-entry to the tile 4 properties identified Identifies two title properties and relates one of these to re-entry conditions Identifies two re-entry conditions or one re-entry condition and a tile property Identifies one re-entry condition or a tile property 7

28 009 HSC Senior Science Marking Guidelines Question (e) Outcomes assessed: H7 States TWO conditions in space which are implicitly linked to space suits roles States ONE condition Question (f) Outcomes assessed: H0 Makes a judgement that the statement is not correct because space contains both radiation and particles Makes a judgement that the statement is not correct, supported by one fact Makes a correct comment about the space traversed by Voyager Question (g) Outcomes assessed: H, H6, H4 Demonstrates thorough knowledge and understanding of technologies used to gather information about the universe Relates the technology to the information gathered Provides relevant examples Communicates with coherence and logical progression and includes correct use of scientific principles and ideas Demonstrates sound knowledge and understanding of technologies used to gather information about the universe Provides names example(s) Demonstrates a basic knowledge of technologies used to gather information about the universe Communicates ideas in a basic form using general scientific terms Demonstrates a limited knowledge of technologies used to gather information about the universe

29 Senior Science 009 HSC Examination Mapping Grid Question Content Syllabus outcomes Section I Part A H H H H , H H , H H , H H9, H , , , 4.(a),.(c) H0, H4, H 9...4, 9..., , H H ,.(d), 4.(a c) H8, H., H , H0 Section I Part B 6 (a) 9... H9 6 (b) 9... H9 7 (a) H7, H9, H4 7 (b) H9, H 8 (a) 9...,.(b),.(e) H9, H, H 8 (b) 9..., , H ,.(c), 4.(c) H0, H, H , H4, H8 (a) ,.(f) H (b) 9..., 4.(a) H4. (a) , ,.4(b),.(d) H, H (b) , H4, H0 (a) 9...4,.(a) H8, H (b).(c) H (c) 9...4, H8 4 (a) H8 4 (b) ,.(e) H0, H 5 (a) , , , , , 9... H, H7, H9, H0

30 009 HSC Senior Science Mapping Grid Question Content Syllabus outcomes 5 (b) , , , , , , H9, H0 H5, H7, H9, H , , 4.(b) H0, H4 Section II Question 8 Polymers 8 (a) (i) H4, H8 8 (a) (ii) , H8 8 (b) ,.(c),.(e) H, H 8 (c) H8 8 (d) (i) H8 8 (d) (ii) , , , , (e) H0 8 (f) , ,.(c) H 8 (g) , 4.(b) H, H5, H8, H4 Section II Question 9 Preservatives and Additives H8 9 (a) (i) H8 9 (a) (ii) , H8 9 (b) 9.6.,.4(b),.(c),.(e) H, H 9 (c) H8 9 (d) (i) , , H8 9 (d) (ii) , H4 9 (e) (i) H7, H8 9 (e) (ii) H, H 9 (f) , , 4.(b) H, H, H7, H8, H4 Section II Question 0 Pharmaceuticals 0 (a) (i) H9 0 (a) (ii) H9 0 (b) H.(c),.4(b),.(e) H, H 0 (c) 9.7. H8 0 (d) (i) , H9 0 (d) (ii) H7, H9 0 (e) (i) H7, H8, H9 0 (e) (ii) ,.(c) H 0 (f) , , , 4.(b) H, H7, H8, H9, H4

31 009 HSC Senior Science Mapping Grid Section II Question Disasters (a) (i) H6 (a) (ii) H6 (b) ,.4(b),.(c),.(e) H (c) H0 (d) (i) H0 (d) (ii) , 4.(d) H0, H4 (e) (i) H0 (f) , H5, H6, H0 (g) , , H4.(b) H, H5, H4 Section II Question Space Science (a) (i) , 4.a H7, H4 (a) (ii) , , H7 (b).(c),.4(b),.(c) H, H (c) H0 (d) (i) H6, H8 (d) (ii) H6, H8 (e) H7 (f) H0 (g) , , , , 4.(b) H, H6, H4