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  • Name……………………………………………………….

    VCE Physics Unit 1 & 2

    2019 Preparation Work

    Dec 2018

  • Physics - Unit 1 & 2 Orientation 2019 Welcome to physics! You have made an outstanding choice in taking physics. It is the science of all other sciences. As Rutherford has been quoted: "All science is either physics or stamp collecting" - Ernest Rutherford There are three important expectations in this course. 1. Always do the pre-reading and note taking BEFORE class 2. Ask lots of questions 3. Stay up to date with the problems and corrections There will be a quiz at the start of each lesson that you will be required to do so that we can check your understanding of the reading.

    The How to Study Physics document attached gives you some pointers on how to be successful in studying physics. Participation and staying up to date is the key. Year 11 course 2019

    Unit 1: What ideas explain the physical world? Area of Study 1: How can thermal effects be explained? (Outcome 1) Area of Study 2: How do electric circuits work? (Outcome 2) Area of Study 3: What is matter and how is it formed? (Outcome 3)

    Unit 2: What do experiments reveal about the physical world? Area of Study 1: How can motion be described and explained? Area of Study 2: Options Area of Study 3: Practical investigation Important Materials: Required: Heinemann Physics 11 (4th Ed). Edrolo Scientific calculator. Please note you will not be allowed to use a graphing calculator in any examinations or SACs A4 lined Notebook - you are required to take handwritten notes Microsoft Office 365 - Excel (if have a computer) Java so you can use the PhET simulations (if have a computer) TRACKER (if have a computer) Recommended: 5 cm metal ruler Protractor

    https://www.google.com/url?q=https%3A%2F%2Fproducts.office.com%2Fen-us%2Fstudent%2Foffice-in-education%3Ftab%3Dstudents&sa=D&sntz=1&usg=AFQjCNENUbyVRrCAKNLBclkm6GHYOtn_SA http://www.google.com/url?q=http%3A%2F%2Fwww.oracle.com%2Ftechnetwork%2Fjava%2Fjavase%2Fdownloads%2Fjre8-downloads-2133155.html&sa=D&sntz=1&usg=AFQjCNFbstAWtq3xSwxZmij-FcxuY8fO2Q http://www.google.com/url?q=http%3A%2F%2Fphet.colorado.edu%2Fen%2Fsimulations%2Fcategory%2Fnew&sa=D&sntz=1&usg=AFQjCNHqTrx0cIw1ncZiapFnnjYD5OwBZw http://www.google.com/url?q=http%3A%2F%2Fphyslets.org%2Ftracker%2F&sa=D&sntz=1&usg=AFQjCNEvFpI1wHfyYGhqNSNSvUQVqY3rvw

  • Cornell Notes

    https://www.youtube.com/watch?v=WtW9IyE04OQ

    https://www.youtube.com/watch?v=WtW9IyE04OQ

  • Yr 11 Physics – Transition Chap 1– Heat, temperature & internal energy – Book Check

    Name: ___________________

    Lesson Reading

    & Cornell Notes

    Learning Intention Prac/demos/activities Questions

    1 Wed

    28/11

    Welcome to physics Introduction to thermal physics. Skills - Significant figures

    Use temperature guns to measure the temperature of a range of objects. ..\Sig figs and errors transition\Significant Figures.doc ..\Sig figs and errors transition\Writing answers accurately worksheet 170717.doc

    2 Fri

    30/11

    p.2-6 To be able to convert from Celsius to Kelvin To recognise the difference between heat and temperature To be able to explain heat using the kinetic theory Skills – Graphing (need Excel)

    Prac: Mixing water

    1.1 Q 1-7

    3 Mon 3/12

    p. 7-8 To recall the Zeroth and First Law of Thermodynamics

    Prac: Thermal Equilibrium ..\Thermal Physics\Thermodynamics Worksheet

    Exam type questions 1 170317.docx

    ..\Thermal Physics\Thermodynamics Exam type questions Solutions 150318.docx

    1.1 Q 8- 10

    4 Wed 5/12

    p.10-12 To describe specific heat and to use the relationship Q = mcΔT.

    Prac: Cooling Parrafin wax

    1.2 Q 1- 10

    5

    6/12

    p 13-16 To describe latent heat and to use the relationship Q = mL. To use the kinetic particle model to explain evaporation and cooling

    Prac Martins Pracs\latent heat of fusion of ice.docx

    1.3 Q 1-9

    Holiday Homework

    1. Revision for quiz Chap 1.1 – 1.3 2. Complete Thermodynamics Exam type questions – solutions STLlink 3. Appendix 1 Skills Check (questions and solutions on STLlink) – quiz first

    lesson back in 2019 SI units Qs A1.1

    Scientific notation Qs A1.2

    Significant figures Qs A1.3

    Graphical analysis Qs A1.4

    Direct Variation Qs A1.5

    https://sites.google.com/site/coyleysvcephysics/home/unit-1/thermal/heat-temperature-and-internal-energy/thermodynamics-lesson-1-2/mixing-water https://sites.google.com/site/coyleysvcephysics/home/unit-1/thermal/heat-temperature-and-internal-energy/thermodynamics-lesson-1-1/thermal-equilibrium https://sites.google.com/site/coyleysvcephysics/home/unit-1/thermal/heat-temperature-and-internal-energy/thermodynamics-lesson-1/cooling-paraffin-wax

  • Lesson 1&2 Outcome By the end of be able to convert temperatures stated in C into Kelvin, state the difference between Heat and Temperature and be able to explain heat using kinetic theory.

    Temperature Gun Use a temperature gun to measure the temperature of a number of different objects and surfaces inside and outside the room. What factors will affect your reading? What is the temperature gun actually detecting?

    Mixing water To predict and then measure the effects of mixing hot and cold water. Equipment Cups Measuring cylinder beakers Hot water cool water You will run three tests of mixing the same volumes of water. Each test should use water at different temperatures.

    Set up the table below: Temp of cup A Temp of Cup B Predicted temp of mix Tempt of mix

    Questions 1. What is happening? Can you give a rule to predict the temperature? 2. We controlled the volumes, why? 3. What other factors could effect this test?

    https://sites.google.com/site/coyleysvcephysics/home/unit-1/thermal/heat-temperature-and-internal-energy/thermodynamics-lesson-1-2/mixing-water/thermo%204.PNG?attredirects=0

  • Lesson 3 OUTCOME By the end of this lesson you will be able to recall the Zeroth and First Law of thermodynamics and apply it to relevant situations.

    Thermal equilibrium 1. Place a small beaker (or conical flask with rubber stopper) of hot water immersed in a beaker of cold water 2. Determine the mass of the water in each beaker (using electronic scales) mass hot water ____________ mass cold water _________________ 3. Open Pasco Capstone on the laptops choose graph plus table 4. Connect two Pasco temperature probes to track the temperature of both beakers over a 20 minute time period

    Choose time for the x-axis and choose Probe A and Probe B for y-axis (using ‘add similar measurement’). Press record when ready to start taking measurements.

    4. Also note the ambient room temperature

    Before the experiment: What do you expect to happen to the temperature of both beakers (estimate any 'final' temperatures of the two)? After the experiment Questions 1. Compare your expected final temperatures with actual final temperatures. Try to account for your results

    https://sites.google.com/site/coyleysvcephysics/home/unit-1/thermal/heat-temperature-and-internal-energy/thermodynamics-lesson-1-1/thermal-equilibrium/thermo%205.PNG?attredirects=0

  • 2. Assuming that the beakers were a closed system, calculate the expected final temperature

    3. In this experiment, the mass of the hot water was significantly less than the cold. Do you think this had a bearing on the final outcome? Explain 4. If the experiment was left to run long enough, what do you think the final temperatures would be? Use you data to make this prediction.

  • Lesson 4 OUTCOME By the end of this lesson you will be able to describe specific and latent heat. You will be able to explain and apply the relationship Q = mcΔT

    Cooling Paraffin wax This investigation aims to show that the internal energy of a substance can change without a subsequent change in temperature. It also aims to produce a cooling curve that illustrates the concept of latent heat. You will need the following equipment:

    • large test tube containing about 2–3 cm depth of paraffin wax • Water bath on hot plate • Pasco temperature probe connected to Pasco Capstone, choose graph and table

    Place some solid paraffin wax into a large test tube. Heat the test tube in a water bath until the temperature of the paraffin wax is about 80 °C.

    Remove the test tube from the water bath and start recording the temperature of the paraffin as it falls until the temperature has fallen to about 30 °C. Gently and carefully stir with the thermometer while the liquid paraffin is cooling.

    1. Take a photo of the graph on the screen 2. What causes the decrease in temperature of the liquid paraffin?

    3. How does the rate of cooling change as the liquid paraffin solidifies?

    4. During the process of solidification, what form of internal energy is being lost from the paraffin? Where is it going? 5. What is the meaning of the term ‘latent heat of fusion’ and how does it relate to this investigation?

    https://sites.google.com/site/coyleysvcephy

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