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IRENE McCORMACK CATHOLIC COLLEGE SCIENCE DEPARTMENT TEACHING & LEARNING PROGRAMME 2017 YEAR 11 PHYSICS ATAR COURSE LINEAR MOTION AND FORCE (Unit 2) HEATING AND COOLING (Unit 1) IONISING RADIATION AND NUCLEAR REACTIONS (Unit 1) ELECTRICAL CIRCUITS (Unit 1) WAVES (Unit 2) NOTES: REFERENCE TEXT: Pearson Lightbook PROBLEMS TEXT: “Exploring Physics Year 11 – Experiments, Investigations & Problems” (STAWA). Week / date Central Ideas Content Scalar and vector quantities recap from Year 10 – deliver alongside section 6.1 of Pearson Lightbook resource 1 Introduction to the Pearson (short week) Lightbook Resource 2 February 2 6 February Text and Problem Sets Distance and Displacement, Speed and Velocity, Acceleration in a straight line, Acceleration due to gravity, Motion Graphs LINEAR MOTION AND FORCE (Unit 2) distinguish between vector and scalar quantities, and add and subtract vectors in two dimensions uniformly accelerated motion is described in terms of relationships between measurable scalar and vector quantities, including displacement, speed, velocity and acceleration This includes applying the relationships: Vav = s/t = (V+U)/2, 3 Contact v Non-contact 13 February Forces, Weight, Newton’s Laws, Net Force, Force as a Vector, Components of Forces, Acceleration Down a Slope. 4 Impulse and Momentum, 20 February Conservation of momentum a = (V – U)/t, V = U + at, V2 = U2 + 2as, S = Ut + ½ a t2 representations, including graphs, vectors, and equations of motion, can be used qualitatively and quantitatively to describe and predict linear motion vertical motion is analysed by assuming the acceleration due to gravity is constant near Earth’s surface LINEAR MOTION AND FORCE (Unit 2) Newton’s three Laws of Motion describe the relationship between the force or forces acting on an object, modelled as a point mass, and the motion of the object due to the application of the force or forces free body diagrams show the forces and net force acting on objects, from descriptions of reallife situations involving forces acting in one or two dimensions LINEAR MOTION AND FORCE (Unit 2) momentum is a property of moving objects; it is conserved in a closed system and may be transferred from one object to another when a force acts over a time interval This includes applying the relationships: Σ m Vbefore = Σ m Vafter , mV – mU = Δp = F Δt Lightbook: 6 Scalars and Vectors (6.1 to 6.5) 7 Linear Motion 7.1 Displacement, Speed and Velocity 7.2 Acceleration 7.3 Graphing Displacement, Velocity and Acceleration over time 7.4 Equations for uniform acceleration 7.5 Vertical Motion LINEAR MOTION AND FORCE (Unit 2) Measurement & Data EP11 Exp 14.2: Rolling Along EP11 Exp 15.1: Going Faster EP11 Exp : Reaction Time Exploring Physics: Problem Set 14; all Problem Set 15; all Lightbook: 8 Momentum and Forces 8.3 Inertia and Newton’s First Law 8.4 Newton’s Second Law 8.5 Newton’s Third Law 8.7 Mass and Weight Lightbook: 8 Momentum and Forces 8.1 Momentum & Conservation of Momentum 8.2 Change in Momentum and Impulse 8.6 Impulse and Force Exploring Physics: Problem Set 17; all 5 27 February extended practical investigation – Adventure World Assignment Introduce Significant figures, accuracy and precision; scientific notation; units and prefixes; uncertainty; graphing; linear data and lines of best fit; error bars 2 Assessment Lightbook: 6 Scalars and Vectors (6.1) EP11 Exp 16.1: Newton’s Second Law Exploring Physics: Problem Set 16; all This includes applying the relationships resultant F ma, Fweight = m g p = mV, Experiments / Investigations Exploring Physics page 10 - re-visit ‘F = ma’ investigation to consider error bars on the graph TASK 1: SCIENCE INQUIRY – Linear Motion and Force ‘Investigation of F = ma’ to determine an unknown mass [3%] EP11 Exp 17.1: Conservation of Momentum in an Explosion EP11 Exp 17.2: Conservation of Momentum in a Collision TASK 2: SCIENCE INQUIRY – Linear Motion and Force EPI [7%] 6 Energy, Work, Power (short week) 7 March LINEAR MOTION AND FORCE (Unit 2) energy is conserved in isolated systems and is transferred from one object to another when a force is applied over a distance; this causes work to be done and changes the kinetic ( Ek) and/or potential (Ep) energy of objects This includes applying the relationships E 12 m v2 , k Ep = m g h , W =F s , W = E collisions may be elastic and inelastic; kinetic energy is conserved in elastic collisions This includes applying the relationship: Σ½ mV2before = Σ ½mV2after Lightbook: 9 Work, Energy and Power 9.1 Energy and Work 9.2 Force versus displacement graphs 9.3 Kinetic Energy 9.4 Elastic and Inelastic Collisions 9.5 Gravitational Potential Energy 9.6 Conservation of Energy 9.7 Power EP11 Exp 18.1: Roller Coaster Exploring Physics: Problem Set 18; all power is the rate of doing work or transferring energy This includes applying the relationship: TASK 3: TEST – Linear Motion and Force [6%] P = W/t = ΔE/t = F Vav 7 13 March Models & Explanations Temperature Explained 8 20 March HEATING AND COOLING (Unit 1) Heating Processes Specific Heat Capacity; State Changes and Latent Heat; Thermal Equilibrium; Conservation of Energy; Work, Heat and Power; Internal Energy and Work. the kinetic particle model describes matter as consisting of particles in constant motion, except at absolute zero all substances have internal energy due to the motion and separation of their particles temperature is a measure of the average kinetic energy of particles in a system HEATING AND COOLING (Unit 1) provided a substance does not change state, its temperature change is proportional to the amount of energy added to or removed from the substance; the constant of proportionality describes the heat capacity of the substance This includes applying the relationship Q = m c T change of state involves separating particles which exert attractive forces on each other; latent heat is the energy required to be added to or removed from a system to change the state of the system This includes applying the relationship Q =mL two systems in contact transfer energy between particles so that eventually the systems reach the same temperature; that is, they are in thermal equilibrium. This may involve changes of state as well as changes in temperature 3 Lightbook: 1 Heating Processes 1.1 The Kinetic Particle Model Exploring Physics: Problem Set 1; Q’s 1, 2, Lightbook: 1 Heating Processes 1.2 Specific Heat Capacity 1.3 Latent Heat 1.4 Heating & Cooling Exploring Physics: Problem Set 3, all Problem Set 4, all EP11 Exp 1.1: Achieving Thermal Equilibrium TASK 4: SCIENCE INQUIRY – Heating and Cooling Determination of EP11 Exp 3.2: the Specific Heat The Specific Heat Capacity of Capacity of a Water [3%] Metal EP11 Exp 3.1: The Specific Heat Capacity of a Liquid EP11 Inv 3.3: Specific Heat Capacity of a Brick EP11 Exp 4.2: Melting Ice 9 27 March Conduction, Convection and Radiation; Energy Transfers; Efficiency HEATING AND COOLING (Unit 1) a system with thermal energy has the capacity to do mechanical work [to apply a force over a distance]; when work is done, the internal energy of the system changes because energy is conserved, the change in internal energy of a system is equal to the energy added by heating, or removed by cooling, plus the work done on or by the system heat transfer occurs between and within systems by conduction, convection and/or radiation energy transfers and transformations in mechanical systems always result in some heat loss to the environment, so that the usable energy is reduced and the system cannot be 100 percent efficient Lightbook: 2 Moving Heat Around 2.1 Work & Efficiency 2.2 Conduction 2.3 Convection 2.4 Radiation EP11 Exp 2.1: Convection Currents Exploring Physics: Problem Set 1; Q’s 3-12 Problem Set 2, all Method of Mixtures EP11 Exp 2.2: Insulators TASK 5: SCIENCE INQUIRY – Heating and Cooling (Analysis of 2nd hand data) [2%] This includes applying the relationship: efficiency, η = energy out / energy in (x 100) % 10 3 April HEATING AND COOLING (Unit 1) Revision of key concepts Questions from past Year 11 Exam papers and selected questions from Year 12 ATAR Exam papers consolidation of Heating and Cooling topic consolidation of all term 1 content, including Linear Motion and Force EASTER BREAK / END OF TERM 1 4 TASK 6: TEST – Heating and Cooling [6%] Week / date TERM 2 Week 1 (short week) 26 April 2 1 May Central Ideas Nuclear Model of the Atom; Nuclear Stability; Radioactive Decay - , and ; Nuclear Equations; Detection Half-life and decay series; Nuclear Medicine; Effects of Radiation on Humans; Biological effects of Radiation; Absorbed Dose and Dose Equivalent Content Text and Problem Sets IONISING RADIATION AND NUCLEAR REACTIONS (Unit 1) the nuclear model of the atom describes the atom as consisting of an extremely small nucleus which contains most of the atom’s mass, and is made up of positively charged protons and uncharged neutrons surrounded by negatively charged electrons nuclear stability is the result of the strong nuclear force which operates between nucleons over a very short distance and opposes the electrostatic repulsion between protons in the nucleus some nuclides are unstable and spontaneously decay, emitting alpha, beta (+/-) and/or gamma radiation over time until they become stable nuclides alpha, beta and gamma radiation have different natures, properties and effects alpha and beta decay are examples of spontaneous transmutation reactions, while artificial transmutation is a managed process that changes one nuclide into another IONISING RADIATION AND NUCLEAR REACTIONS (Unit 1) each species of radionuclide has a half-life which indicates the rate of decay This includes applying the relationship: 1 N = N0 n 2 the measurement of absorbed dose and dose equivalence enables the analysis of health and environmental risks This includes applying the relationships absorbed dose = E , dose equivalent = absorbed dose quality factor m 5 Lightbook: 3 Radioactivity & Radiation 3.1 Atoms, Isotopes, Radioisotopes & Artificial Transmutations 3.2 Radioactivity 3.3 Properties of alpha, beta and gamma radiation Experiments / Investigation EP11 Exp 5.2: Range of Alpha and Beta Particles in Air EP11 Exp 5.3: Penetration Power of Radiation Exploring Physics: Problem Set 5; all Lightbook: 3 Radioactivity & Radiation 3.4 Half-life and Activity of Radioisotopes 3.5 Radiation Dose and its Effects on Humans EP11 Exp 6.1: Simulated Radioactive Decay (modified using dice) Exploring Physics: Problem Set 6; all Problem Set 7; all EP11 Inv 6.2, 6.3 Assessment Week 3 8 May Central Ideas Binding Energy; Nuclear Fission and Nuclear Fusion Content Text and Problem Sets IONISING RADIATION AND NUCLEAR REACTIONS (Unit 1) Einstein’s mass/energy relationship relates the binding energy of a nucleus to its mass defect This includes applying the relationship E = m c2 Exploring Physics: Problem Set 8; all E = m c2 5 22 May neutron-induced nuclear fission is a reaction in which a heavy nuclide captures a neutron and then splits into smaller radioactive nuclides with the release of energy a fission chain reaction is a self-sustaining process that may be controlled to produce thermal energy, or uncontrolled to release energy explosively if its critical mass is exceeded nuclear fusion is a reaction in which light nuclides combine to form a heavier nuclide, with the release of energy more energy is released per nucleon in nuclear fusion than in nuclear fission because a greater percentage of the mass is transformed into energy Research Assignment / Presentations – Ionising Radiation and Nuclear Reactions 6&7 29 May & 5 June IONISING RADIATION AND NUCLEAR REACTIONS (Unit 1) Revision of key concepts Assessment Einstein’s mass/energy relationship also applies to all energy changes and enables the energy released in nuclear reactions to be determined from the mass change in the reaction This includes applying the relationship 4 15 May Lightbook: 4 Fission and Fusion 4.1 Nuclear Fission and Energy 4.2 Chain Reactions and Nuclear Reactions 4.3 Nuclear Fusion Experiments / Investigation EP11 Exp 8.1 or 8.2: Simulating a Chain Reaction consolidation of Ionising Radiation and Nuclear Reactions topic consolidation of all Semester 1 content, including Linear Motion and Force & Heating and Cooling SEMESTER 1 EXAMINATIONS TASK 7: SCIENCE AS A HUMAN ENDEAVOUR – Research and Presentation to Lower School Classes [5%] TASK 8: TEST – Ionising Radiation and Nuclear Reactions [6%] TASK 9: EXAMINATION – Semester One Examination [15%] 6 Week Central Ideas 8&9 Electrons, Electrical 12 June and 19 Charge, Measuring June Charge, Electrostatic Forces, Insulators, Conductors, Semiconductors, Potential Difference, Current, Content Text and Problem Sets ELECTRICAL CIRCUITS (Unit 1) there are two types of charge that exert forces on each other electric current is carried by discrete charge carriers; charge is conserved at all points in an electrical circuit This includes applying the relationship: I = q t energy is conserved in the energy transfers and transformations that occur in an electrical circuit the energy available to charges moving in an electrical circuit is measured using electric potential difference, which is defined as the change in potential energy per unit charge between two defined points in the circuit Lightbook: 5 Electrical Physics 5.1 The behaviour of charged particles 5.2 Electric currents and circuits 5.3 Energy in electrical circuits 5.4 Resistance Exploring Physics: Problem Set 9; all Problem Set 11; all Experiments and Investigation EP11 Exp 9.1: Creating and Storing Electric Charges EP11 Exp 11.1: Potential Difference, Current and Resistance This includes applying the relationship: V = W q energy is required to separate positive and negative charge carriers; charge separation produces an electrical potential difference that drives current in circuits resistance depends upon the nature and dimensions of a conductor resistance for ohmic and non-ohmic components is defined as the ratio of potential difference across the component to the current in the component This includes applying the relationship: R = V/I 10 26 June Energy in Circuits, Kirchoff’s Energy Law, Power ELECTRICAL CIRCUITS (Unit 1) power is the rate at which energy is transformed by a circuit component; power enables quantitative analysis of energy transformations in the circuit This includes applying the relationship: Lightbook: 5 Electrical Physics 5.3 Energy in electrical circuits Exploring Physics: Problem Set 10; all P = W/t = VI MID-YEAR BREAK / END OF SEMESTER 1 7 EP11 Exp 10.2: The Mechanical Power of an Electric Motor Assessment Week / date Central Ideas Text and Problem Sets Experiments / Investigation ELECTRICAL CIRCUITS (Unit 1) Term 3 Week 1 (short week) 18 July Weeks 2 & 3 24 July & 31 July Content Circuit Analysis in Series and Parallel Circuits TASK 10: SCIENCE INQUIRY – Electrical Circuits Determination of the Resistivity of a metal wire leading to its identification [4%] students are to use their knowledge of the factors which affect the resistance of a metal wire to devise an experiment that will allow them to determine the material of an unknown wire ELECTRICAL CIRCUITS (Unit 1) circuit analysis and design involve calculation of the potential difference across the current in, and the power supplied to, components in series, parallel, and series / parallel circuits Lightbook: 5 Electrical Physics 5.4 Resistance 5.5 Circuit design This includes applying the relationships series components, I = constant, parallel components, V = constant, Vt =V1 +V2 +V3 .... Rt = R1 + R2 + R3 .... Assessment Exploring Physics: Problem Set 12; all Problem Set 13; all I t = I1 + I2 + I3 .... EP11 Exp 12.1: Resistors in Series EP11 Exp 12.2: Resistors in Parallel EP11 Exp 13.1: Fuses 1 1 1 1 = + + ... Rt R1 R2 R3 4 7 August Mechanical Waves, Transverse v longitudinal waves, Frequency, Period, Wavelength, Description of Sound Waves. there is an inherent danger involved with the use of electricity that can be reduced by using various safety devices, including fuses, residual current devices (RCD), circuit breakers, earth wires and double insulation electrical circuits enable electrical energy to be transferred and transformed into a range of other useful forms of energy, including thermal and kinetic energy, and light WAVES (Unit 2) waves are periodic oscillations that transfer energy from one point to another mechanical waves transfer energy through a medium; longitudinal and transverse waves are distinguished by the relationship between the directions of oscillation of particles relative to the direction of the wave velocity waves may be represented by displacement/time and displacement/distance wave diagrams and described in terms of relationships between measurable quantities, including period, amplitude, wavelength, frequency and velocity This includes applying the relationships: v f , T = 1 f 8 TASK 11: TEST – Electrical Circuits [6%] Lightbook: 10 The Nature of Waves 10.1 Longitudinal and Transverse Waves 10.2 Representing Waves Exploring Physics: Problem Set 19; all EP11 Exp 19.1: Making Waves Ripple Tank demonstrations 5 (short week) 14 August 6 (short week) 22 August WAVES (Unit 2) Reflection, Refraction, Doppler effect, Speed of Sound the mechanical wave model can be used to explain phenomena related to reflection and refraction, including echoes and seismic phenomena WAVES (Unit 2) Superposition, Stationary Waves, Resonance, Modes of Vibration (strings, open and closed pipes) the superposition of waves in a medium may lead to the formation of standing waves and interference phenomena, including standing waves in pipes and on stretched strings This includes applying the relationships for: strings attached at both ends and pipes open at both ends, = 2l/n pipes closed at one end, = 4l / (2n – 1) Lightbook: 10 The Nature of Waves 10.3 Wave Behaviours: Reflection and Refraction EP11 Exp 20.1: Observing wave pulses Exploring Physics: Problem Set 20; Q20.1 to 20.9 EP11 Exp 20.2: Diffraction and interference EP11 Exp 20.3: Resonance in Strings Lightbook: 10 The Nature of Waves 10.4 Wave interactions – superposition 10.5 Standing Waves Exploring Physics: Problem Set 20; Q20.10 to 20.30 EP11 Inv 20.5: Beat Patterns a mechanical system resonates when it is driven at one of its natural frequencies of oscillation; energy is transferred efficiently into systems under these conditions 7 28 August 8 4 September WAVES (Unit 2) Superposition, Stationary Waves, Resonance, Modes of Vibration (strings, open and closed pipes) cont’d EP11 Exp 20.4: Resonance in Air Columns TASK 12: SCIENCE INQUIRY – Waves (Laboratory Report) Determination of the Speed of Sound in air [4%] Young’s Double Slit Expt. using laser light as above Microwave kit demonstrations WAVES (Unit 2) Intensity and the decibel scale the intensity of a wave decreases in an inverse square relationship with distance from a point source Lightbook: 10 The Nature of Waves 10.6 Wave Intensity TASK 13: SCIENCE INQUIRY – Waves (Comprehension Test) [2%] This includes applying the relationship: I WAVES (Unit 2) 9 Revision of key concepts 11 September 10 September 1 r2 TASK 14: TEST – Waves [6%] consolidation of Waves topic UNITS 1 & 2 Review of 2017 Program ALL topic tests Semester 1 Examination recap of ALL concepts covered throughout the year END OF TERM 3 the intensity of a wave decreases in an inverse square relationship with distance from a point source 9 Week / date Central Ideas Content Term 4 (short week) Week 1 10 October 2 16 October Thorough preparation for end of Year Examination UNITS 1 & 2 Thorough preparation for end of Year Examination UNITS 1 & 2 recap of ALL concepts covered throughout the year 3 23 October Thorough preparation for end of Year Examination UNITS 1 & 2 recap of ALL concepts covered throughout the year 4 30 October Thorough preparation for end of Year Examination UNITS 1 & 2 recap of ALL concepts covered throughout the year 5 (short week) 6 November 6&7 13 November & 20 November Thorough preparation for end of Year Examination UNITS 1 & 2 recap of ALL concepts covered throughout the year Text and Problem Sets Experiments / Investigation Assessment Past paper questions Examination Papers from previous years recap of ALL concepts covered throughout the year Past paper questions Examination Papers from previous years Past paper questions Examination Papers from previous years Past paper questions Examination Papers from previous years Past paper questions Examination Papers from previous years Practice Exam Practice Exam TASK 15: EXAMINATION – Semester One Examination [25%] SEMESTER 2 / FINAL EXAMINATIONS 1 0