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Warm-up:

Warm-up:. When you think of Heat , Thermal Energy , and Temperature , what comes to mind?. 3 min: write on your own warm-up sheet…one of your last few entries for 1 st semester . Print off topic outline by tomorrow. Test on this unit will be Friday, Feb. 8, 2013

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Warm-up:

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  1. Warm-up: When you think of Heat, Thermal Energy, and Temperature, what comes to mind? 3 min: write on your own warm-up sheet…one of your last few entries for 1st semester 

  2. Print off topic outline by tomorrow. Test on this unit will be Friday, Feb. 8, 2013 You will be completing 2-3 labs between now and then… prepare for a fast unit! Textbook Reference: Chapters 10 and 11. You WILL need your textbook nearly every day for this unit. Bring one or share one. All questions in this PowerPoint should be considered as things you need to answer. Answer them in your notes and/or syllabus statement book (under the proper statement) as if they were a worksheet to be turned in. Thermal Physics—Topic 3

  3. Packet Turn-in—all due Friday, February 8, 2013: • Clear work from each of the WebAssign problem sets (there are 4 of them!) • Calorimetry Lab (CE and analysis questions) • Please remember to attach the CE scoring sheet • Gas pressure lab (DCP) • Please remember to attach the DCP scoring sheet • Thermometric Properties Design lab • Please remember to attach the Design scoring sheet • Topic 3 Syllabus Statements—thoroughly completed using the notes/questions/resources found in this power point and the other supplemental notes posted.

  4. Content that will be on the Sem. 1 Final exam: • Syllabus statements 3.1.1-3.1.4 • (which covers slides 7-13) • Every other slide will NOT be on the semester 1 final exam. For the next week or so, focus on the first 13 slides. • When 2nd semester begins, we’ll pick up with slide 14 and continue with the syllabus

  5. Instructions: • The rest of this power point is filled with guiding questions (and online resource links) to help you gather information for all the syll. Statements for this unit • Take good notes (on your own…) related to each of the questions on the slides. • You will NOT be getting lectures in class for this unit. We will be going over clarifying questions and practice problems in class. You MUST read notes ahead of time on your own! • There are, however, the presentations I used last year posted online—use those as supplemental notes • We WILL be doing 2 labs next week. • All syllabus statements must be completed by the beginning of class on the day of the exam

  6. WebAssign Problem Sets • Please check WebAssign. There will be several relatively short homework sets, related to major topics in this unit. • All will be open until 7:25 AM on the day of the test. • Don’t forget to do any of them!

  7. Temperature (3.1.2) • What are the units of temperature? • Which units of temperature are metric? • Which is the fundamental metric unit? • How do you convert between each of the temperature units? • Use the following resources: Resource #1Resource #2Resource #3 HW#1: WebAssignThermal Physics 1: Temperature Conversions

  8. Absolute Zero • What IS absolute zero? • How was it determined? • What is the temperature of Absolute Zero in the Celsius temperature scale? Resource AResource B Resource CResource D

  9. Thermometric Properties • What does “Thermometric” mean? • There are several examples of these properties. List and describe each of them. • Resource #4 Homework #2: (due to turnitin.com no later than Friday, Feb. 8, 2013) Design Lab: Design a lab to study the effect of temperature on a variable related to your choice of thermometric property. (please be specific about which thermometric property your are studying) Use the IB “Design” rubric—score checklist will be posted soon.

  10. Calibrating (or constructing) a Thermometer Resource #5 Resource #6Resource #7Resource #8 • If you were to construct a thermometer, why must you have 2 known, standard (fixed) points with which to work? • Describe HOW you would calibrate (create the accurate scale) a standard alcohol thermometer that was originally blank (no scale on it at all)

  11. Temperature, Heat, Thermal Energy (3.1.1, 3.1.3, 3.1.4) • Define the following: • Thermal Energy (internal energy): • Heat: • Temperature: Resource #9Resource #10Resource #11 • How is the direction of thermal energy transfer determined? (3.1.1) • Sketch and interpret a kinetic energy distribution for a substance at various temperatures (see last year’s notes… OR… Resource EResource F

  12. Methods of Thermal Energy Transfer • Define/Describe each of the following: • Conduction • Convection • Radiation Note: concepts only—you don’t need to do any calculations for any of these methods of energy transfer Resource #12Resource #13(also see Resource #10)

  13. Demonstrations related to slides 5-10 • Take notes on each of the demos completed and discussed in class. I promise they are each somehow related to one or more of your syllabus statements. (unless told otherwise )

  14. Thermal (heat) capacity vs. Specific Heat Capacity • What is meant by “Heat Capacity”? • What variables will affect the heat capacity of a substance? • Mathematically, how is heat capacity determined? With what units? Resource #16Resource #17 • How is specific heat capacity “specific”? • Mathematically, how is specific heat capacity determined? With what units? Resource #18Resource #19Resource #20

  15. Lab: Calorimetry • Will be completed in class • Purpose: to determine the identity of an unknown metal based only on the calculation of its specific heat capacity. • This will be a CE lab, but there will also be some analysis questions to assist you in processing your data. You will be receiving a procedure and collecting data in class, and you will be writing a conclusion discussing your results.

  16. Calorimetry homework HW reminder! Calorimetry lab (data table and analysis questions A-F) due on Friday, 2/8/2013! Sample Problems: there is a Word Document posted with practice problems (and answers)—not required to complete all of them, but 3.2.2 asks you to complete some problems…I’d recommend 2-3 be put in your syll. state. Book.HW reminder: WA Thermal problems #2—Calorimetry—is available to complete As is HW#3 (Molar mass practice) and #4 (phase changes)

  17. Phases of Matter • There are 3 primary phases of matter (we’re not concerned with plasmas or Bose-Einstein condensates at this point). Describe (and compare/contrast) each based on the following characteristics: (use last year’s notes) • Molecular motion (i.e. kinetic energy—quantity and type) • Macroscopic properties (see Word document in “notes” section online)

  18. Phase Changes • Complete the following flow chart: Energy Added Energy Removed Solid Liquid Gas

  19. Latent Heat • What is meant by “Latent Heat”? • How is this different than “specific heat”? • What happens to molecules of a substance while undergoing a change of phase? • What happens to the temperature of a substance while undergoing a change of phase?

  20. Heating (cooling) Curves • Sketch a heating (or cooling) curve for water, showing the relationship between the temperature of water and the time that passes as thermal energy is being added (or removed) at a constant rate • Heating curves should have proper labels showing: • Melting/freezing point • Boiling/condensing point • State of matter or process occurring during each section of the graph

  21. Evaporation vs. Vaporization • What’s the difference? • Which one occurs AT the boiling point? • Which one occurs BELOW the boiling point? HW reminder! WebAssign #4 (Phase changes and Gas Laws) is available.

  22. Moles, Molar Mass, and Avogadro’s Number • What is a mole? • How is molar mass of an element determined? (note: if you don’t have a periodic table, let your teacher know…) • How is molecular molar mass determined? • What is Avogadro’s number? Where did it come from? Resource #14Resource #15

  23. Kinetic Model of an ideal gas • Look at last year’s notes for the required summary of the “rules” an ideal gas will follow under this model • Gas Laws: • Boyle’s law (this was your lab last week) • Resource #16Resource #17 • Charles’ Law • Resource #18 • Combined Gas law • Resource #19 (pHet simulation)

  24. Lab 2: Pressure vs. Volume of a gas • Individually collected data • Equipment will be available at the beginning of 2nd semester. • Data collection must be completed by Monday, Feb. 4. • Equipment will NOT be available after Monday, Feb. 4 • DCP will be due on the day of your exam (Friday, Feb. 8)

  25. Packet Turn-in—all due Friday, February 8, 2013: • Clear work from each of the WebAssign problem sets (there are 4 of them!) • Calorimetry Lab (CE and analysis questions) • Please remember to attach the CE scoring sheet • Gas pressure lab (DCP) • Please remember to attach the DCP scoring sheet • Thermometric Properties Design lab • Please remember to attach the Design scoring sheet • Topic 3 Syllabus Statements—thoroughly completed using the notes/questions/resources found in this power point and the other supplemental notes posted.

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