CAPE Physics Internal Assessment Criteria UNIT 1Lab Title: g from a simple pendulum Skill: MM

Criteria Max. mark

Actl mark

Follows instructions 1Repeats readings 1Takes 6 or more readings 1Readings range over 50cm 1Avoids zero error 1Avoids error due to parallax 1Measures lengths to appropriate acray 1Ensures the angle of oscillation small 1Uses appropriate procedure for measure to the inaccessible point 1Most times >20 s 1Use of a fiducial marker 1Countdown method used 1

Lab Title: Galileo’s Experiment Skill: MMCriteria Max.

markActl mark

Followed instructions 1Set track at a suitable angle 1Coordinated release of ball with start of stopwatch 1Did not push ball 1Started ball at same point each time 1Took at least 8 readings 1Repeated each reading ≥ 5 times 1Readings ranged over 2.5m 1Zero error checked 1Used no parallax method for reading 1Used support for track 1Blocked bottom of track 1

Lab Title: Force Vectors Skill: AICriteria Max.

markActl mark

Raw readings have consistent d.p. 1% uncertainty in ө found 1Best straight line estimated 1Triangle for gradient »½ page 1Grid Points used for gradient 1Correct gradient formula 1Gradient correctly calculated 1m found accurately from gradient 1K found accurately from intercept 1

m ; k found with correct units 1m; k found with appr. sig figs. 1Identified difficulty measuring F/ө 1

Lab Title: Density of water Skill: AICriteria Max.

markActl mark

Correct evaluation of k 1% uncertainty in d, correctly caclatd 1Cross-sectional area, A calculated 1Large triangle for gradient 1Converts formula to straight line eqn 1used formula ρ = - km / Ag 1Correct Gradient with unit 2Density evaluated correctly 1(i) Appropriate sig. figs. for ρ 1Improvement identified 1Identified difficulty in measurg d 1

Lab Title: Terminal Velocity Skill: ORRCriteria Max.

mkAct mk

At least 5 sets of tabulated readings 1Correct units in column headings 1Measurements repeated 1Consistent accuracy in raw readings 1

Appropriate sig. figs 1Non-standard precautions 1Unavoidable sources of error 1Correct spelling used 1Correct punctuation used 1Correct grammar used 1Report has appropriate sequence 1Conclusion follows logically frm aim 1

Lab Title: Acceleration Skill: PDCriteria Max.

markAct.mark

Objective stated 1Appropriate equipment chosen 1Diagram of arrangement of equip 1Feasible procedure outlined 1Statement of measurements taken 1States how acceleration of A is found 1States control variable(s) 1States independent variable(s) 1States dependent variable(s) 1How results were treated 1Safety Precautions 1Sources of error 1

Lab Title: Focal length of a lens Skill: MMCriteria Max.

mkAct mk

Uses far object to determine approx F 1

Repeats readings 1

Takes a at least 6 sets of readings 1

Spread readings over approprte range 1

Checks for sharpest image 1

Avoids error due to parallax 1

Lab Title: Hysteresis of Rubber Skill: ORRCriteria Max.

mkAct mk

At least 6 sets of tabulated readings 1Correct units in column headings 1Measurements repeated 1Consistent accuracy in raw readings 1Appropriate sig. figs 1Non-standard precautions 1Unavoidable sources of error 1Correct spelling used 1Correct punctuation used 1Correct grammar used 1Report has appropriate sequence 1Conclusion follows logically frm aim 1

Lab Title: Resonance Skill: AICriteria Max.

mkAct mk

Found mean value of c (table) 1Found mean value of c (formula) 1

Found mean value of c (graph) 1Compared one value of f from

formula to given value 1Found end correction frm formula 1Found end correction graphically 1Calculated gradient 1States formula for gradient 1Gave correct units for gradient 1Used large triangle 1Gave unavoidable sources of error 1Conclusion relevant to aim 1

Lab Title: Damped Oscillations Skill: PDCriteria Max.

mkAct mk

Stated hypothesis 1Identified quantities measured 1Gave suitable no. of observations 1Good range for A 1Stated how independent variable was measured 1Stated how dependent variable was measured 1Identified controlled variables 1Plotted ln Xo vs A 1Identified steps taken to improve accuracy 1Commented on how experiment could be improved 1Conclusion Hypothesis supported/refuted Reason given

11

Lab Title: Latent heat of fusion Skill: ORRCriteria Max.

mkAct mk

Temp. recorded to required precision 1Correct units in column headings 1Measurements repeated 1Consistent accuracy in raw readings 1Appropriate sig. figs used 1Non-standard precautions 1Unavoidable sources of error 1Correct spelling used 1Correct punctuation used 1Correct grammar used 1Report has appropriate sequence 1Conclusion follows logically frm aim 1 Total 12

Lab Title: Hysteresis of rubber Skill: ORRCriteria Max.

mkAct mk

Temp. recorded to required precision 1Correct units in column headings 1Measurements repeated 1Consistent accuracy in raw readings 1Appropriate sig. figs used 1Non-standard precautions 1Unavoidable sources of error 1Correct spelling used 1Correct punctuation used 1Correct grammar used 1Report has appropriate sequence 1Conclusion follows logically frm aim 1

Total 12

Lab Title: Thermal Conductivity of glass Skill: AICriteria Max.

markActl mark

Correct evaluation of p and q 2Graph of ln (θ0 / θ) vs t plotted 1Large triangle for gradient 1Gradient points used exactly on grid line intersection 2Gradient formula stated 1Correct Gradient with unit 2λ evaluated correctly 1Appropriate sig. figs. For λ 1Identified errors 1