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IB Physics HL - Year 1 (2019-2020)

 8/16

8/20

  • discuss briefly the history of modeling motion
  • differentiate between average and instantaneous speeds and define constant speed
  • determine if a toy car moves with constant speed
  • create a scatter plot of the motion of a toy car and discuss the significance of its slope
  • homework - read to p. 11 in the booklet (Physics: An Introduction); do the 6 math questions on p. 10

8/22

  • define distance, displacement, speed, velocity and acceleration
  • "read" position,velocity and acceleration graphs and relate them to one another

8/26

8/28

  • derive the kinematic (or suvat) equations
  • practice using the kinematic equations
  • homework - solve sample IB test questions on motion graphs

8/30

  • test over motion graphs, with general questions about distance, displacement, speed (average and instantaneous), velocity and acceleration
  • homework - install Logger Pro on your laptop (on a school-issued laptop, install it from the Software Center; on all other laptops, use these instructions); read pp. 27-38 in your textbook

9/4

  • graph the motion data in this spreadsheet and add trendlines
  • practice interpreting trendlines and using the extracted (velocity and acceleration) information to interpolate and extrapolate (file 1file 2)
  • homework - do test corrections on a separate sheet of paper; also, complete the worksheet from class

9/6

  • picture day
  • read what Aristotle and Galileo had to say about falling "bodies"
  • study how objects fall using a "motion detector" - lab instructions
  • homework - finish the lab at home; read (and take notes on) pp. 8-16 in your textbook
  • check your Interpolations and Extrapolations homework against the key

9/10

  • use the kinematic equations for modeling freely falling objects - worksheet
  • homework - read about experimental uncertainty (its measurement and propagation in calculations) - handout

9/12

  • begin formal lab investigation of free fall acceleration (enter data here)
  • the general Lab Report Format

9/16

  • "linearize" the free fall data in Logger Pro; add trend lines
  • the lab report will be due 9/20 (at 11:59 pm) through turnitin.com
  • practice solving motion problems
  • homework - complete the motion problems (answer key)

9/18

  • introduce a new way to represent vectors - 3Blue1Brown video
  • model 2D projectile motion
  • homework - read pp. 39-43 in your textbook

9/20

  • test over 1D motion (with a focus on the kinematic equations, but including a few graph-related questions) - postponed until 9/24
  • continue modeling of projectiles launched at an angle
  • study this animation of a launched projectile
  • the lab report is due tonight through turnitin.com
  • homework - solve these kinematics problems (answer key); review for the test

9/24

  • test over kinematics (no 2D projectiles)

9/26

  • complete analysis of projectile motion
  • solve projectile practice problems (key at end of document)
  • homework - complete the worksheet of projectile problems
  • by the end of next week, pay the fee to participate in the IB Physics field trip to iFLY, scheduled for Monday, Oct 21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9/30

  • discuss the independence of a projectile's horizontal and vertical velocity
  • PhET projectile motion simulation (lab instructions)
  • homework - complete the online lab

10/2

10/4

  • determine the acceleration due to gravity in the Angry Birds game -  video
  • solve IB problems on projectiles
  • homework - review for quiz on projectiles next class; pay for iFLY before Monday

10/8

  • quiz over projectile motion
  • discuss the certainty of our knowledge

10/10

  • an introduction to epistemology, the study of knowledge
  • distinguishing between deduction and induction - worksheet
  • homework - please review the end of the PowerPoint and read the Scientific Laws document below
  • The Laws of Nature (PowerPoint)
  • TED Talk: "Do we see reality as it is?"
  • Scientific Laws and What They Say

**No school on Monday or Tuesday**

10/16

  • investigate various types of forces (online activity)
  • discuss the various types of forces in the universe
  • discuss Newton's First Law; define inertia
  • STUDENTS: before going to iFLY, you or your parent must complete this
  • online waiver!! go ahead and do this asap; reservation #4115004005
  • homework - read all of section 5.1 in your new booklet, Physics: An Introduction, Chapters 5 and 6

10/18

  • short review of Newton's 1st Law
  • lab investigation of Newton's 2nd Law - formal lab info
  • homework - you should complete the Exploration portion of the lab this weekend, so that you have less to do between next Tues and Fri

10/21

  • field trip to iFLY !! some photos of the trip

10/22

  • complete Newton's 2nd Law lab
  • help sheet for adding max and min trend lines to your graph
  • homework - the formal lab is due Friday, Oct 25 Saturday, Oct 26 at 11:59 p.m. on turnitin.com

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10/24

  • read and process the information on this webpage
  • handout on "g"
  • calculate the force of gravity and discuss weightlessness
  • homework - read section 5.2, 5.4, 5.5 (do the math), and 5.7 in your booklet, Physics: An Introduction, Chapters 5 and 6; feel free to read 5.6 if you want to

10/28

  • discuss apparent weight
  • calculate the force of friction
  • draw free-body diagrams and calculate the acceleration of various objects
  • homework - complete the worksheets from class [key]

10/30 - PSAT Testing

10/31

  • practice drawing free-body diagrams, including for hanging signs (in translational equilibrium); calculate all forces and acceleration, if relevant (help sheet)
  • model an Atwood machine and a modified Atwood machine
  • homework - read Unit 2.2 Forces, in your textbook; finish the hanging signs worksheet; the rest of the other packet can be taken as a fun (optional) challenge
  • mini-project - Video yourself asking two individuals (not juniors or seniors in high school) what it means to be weightless and record their responses. Then, in 1 min 30 sec or less, clearly explain what it means to be weightless. Also specifically address any misconceptions offered by the interviewees. Don't say too little; show what you know. Plan what you are going to say before you say it! You do not need to appear in the video throughout, but I should see you at least some and hear you for the entire post-interview section. Props, diagrams and photos can be used, if desired. Upload this video to the linked Google folder by the deadline, 11/7.
  • please read your Second Law lab feedback, on turnitin

11/5

  • answer key for hanging signs problems
  • model a block sliding down a ramp (simulation) and stacked blocks
  • discuss static friction
  • homework - solve the problems on p. 56 and 61 in your Chapters 5&6 Booklet; upload the mini-project

11/7

  • test over forces
  • the mini-project is due here by class time; upload it, don't share it
  • homework - packet of worksheets (nTIPERs); you can skip p.115 for now

11/11

  • review the homework (nTIPERs answer key)
  • solve IB test problems on forces
  • homework - finish the packet of IB test problems

11/13

  • discuss Newton's 3rd Law of motion
  • homework - read this book excerpt (from The Feynman Lectures on Physics) on energy

11/15

  • -no lesson-

11/19

11/21

  • derive the work-energy theorem
  • practice solving energy problems
  • homework - solve these challenging "Dynamics Problems"; read pp. 61-69 in your textbook (take notes, as needed)
  • assign the mousetrap-powered car project (to be due Dec 16th) - video help

** Thanksgiving Break **

 

12/2

  • (in my absence) continue working through the big, green packet of work-energy problems [do at least 15 problems; check against the key] - these worked-out sample problems should help
  • carefully read and think through this handout on work and energy
  • return to this handout (with a block on a hill); it has been expanded; study it and try to complete it
  • homework - try to complete the block-on-a-hill handout, which is now 3 pages

12/4

  • review homework
  • discuss Hooke's Law (Hooke's original paper, from 1678, is an interesting, rather easy, read; I've annotated it; read it!)
  • define and calculate elastic potential energy (handout)
  • homework - check your homework against the answer keys (calculating work, mostly on hills, #4-8 key, and the dynamics problems key); please do look over the Hooke's Law paper
  • the mousetrap-powered cars are to be designed and built at home; there are plenty of internet resources, including this great video; here is the overview; you can work with one partner, creating a single car and video, if you'd like; it's due on 12/16

12/6

  • solve additional work-energy problems - nTIPERs key
  • homework - complete two worksheets (one and two); maybe acquire materials for mousetrap car

12/10

  • calculate change in kinetic energy (and work) from a force-vs-position graph
  • solve a problem using elastic potential energy; briefly discuss power
  • review for the work-energy quiz - IB problems key
  • homework - watch this power and efficiency video and complete the IB problems

12/12

  • quiz on work and energy
  • the mousetrap-powered car project is due next class, on Monday the 16th

12/16

  • test our mousetrap-powered cars [turn in your video here]
  • work on the midterm review

12/18

  • review for the midterm

12/20

  • midterm exam, covering the entire semester

** Winter Break **

 

1/8

  • define momentum, discuss its conservation, and model the transfer of momentum in a 2-body collision
  • get help by watching this video
  • homework - complete pages 3-4 of 4-page handout on momentum

1/10

  • define impulse and discuss the impulse-momentum theorem
  • homework - in the packet of IB momentum problems, complete problems 1-15, omitting 6 and 11; also read pp. 73-82 in your textbook

1/14

  • review homework
  • obtain impulse from a force-time graph; practice problems from a book
  • review elastic collisions
  • homework - complete practice problems (answer key)

1/16

  • momentum conservation lab - due through turnitin on Friday 1/24 Saturday 1/25 at midnight
  • the general Lab Report Format - however, this report does not require the following sections: Background, Graph, Extension; it may be unclear, but I do want Strengths and Weaknesses and Areas for Improvement
  • reminder: you may share raw data but not any calculations or processed data
  • all written parts of the lab should be in your own words

1/21

  • model a ballistic pendulum
  • calculate both final velocities in an elastic collision
  • practice uncertainty calculations
  • homework - finish the two AP problems on momentum

1/23

  • test over impulse and momentum
  • homework - the lab report is due Saturday night (at 11:59 pm) through turnitin.com

1/27

  • begin our study of thermodynamics, with a focus on the relationship between temperature and kinetic energy; methods of heat transfer; and specific heat capacity - PowerPoint

1/29

  • discuss latent heat (worksheet); calculate the equilibrium temperature achieved by two objects in contact
  • define pressure and begin an exploration of the ideal gas law (packet)
  • homework - complete the ideal gas law packet

 

 

 

 

 

 

 

 

 

 

 

 

1/31

  • discuss the nature of an ideal gas, and how real gasses differ
  • solve IB practice problems re: thermodynamics
  • handout - read me before doing the homework!
  • homework - read these essays on entropy in preparation for a round table discussion; come prepared for the discussion with questions and/or comments; the packet of IB problems is due Thursday (2/6)

2/4

  • discussion of entropy -- if you want to read more about time, check out The Order of Time, by Carlo Rovelli
  • answer key for thermodynamics packet

2/6

  • test over thermodynamics and ideal gasses

​Are you ready to educate and entertain some 5th graders? Feb 12 is the date!

 

2/10

  • introduction to circular motion
  • centripetal vs centrifugal force - Vsauce video

2/12

  • most of the class will be visiting Grandview Hills Elementary School

2/14

  • discuss centripetal acceleration
  • analyze the motion of an object going through a vertical loop

2/19

  • Group 4 Project, all day

2/21

  • analyze circular motion in other contexts, including a banked track
  • model satellite motion - packet
  • homework - complete the satellite motion packet and the IB questions (omit 6 f,g,h) on circular motion by 2/27; there will be a homework help session during PIT on Wed, 2/26

​You need to start thinking about a Research Question for your physics IA. Spend some time thinking, and researching online, and reading the back pages of your textbook (pp. 687-692), and come to me to visit about some of your ideas. I'll help you choose a good Question. You want to have a Question by the end of February.

 

2/25

  • ACT Testing
  • class time to work on "homework"; general review for test
  • answer key for satellite packet
  • discussion of Kepler's Laws

2/27

  • test over circular motion and gravity

​Submit your IA topic here by Sunday, March 1.

Lab Report Format

Unit One-Page Overviews

1.1 Measurements in physics

1.2 Uncertainties and errors

1.3 Vectors and scalars

2.1 Motion

2.2 Forces

2.3 Work, Energy, and Power

2.4 Momentum

Unit One-Page Overviews

3.1 Thermal Concepts

3.2 Modelling a gas

6.1 Circular Motion

4.1 Oscillations

4.2 Travelling Waves

4.3 Wave Characteristics

5.1 Electric Fields

Parabolas in the NFL: the physics of a football punt
projectile motion

Science does not aim at establishing immutable truths and eternal dogmas; its aim is to approach the truth by successive approximations, without claiming that at any stage final and complete accuracy has been achieved. - Bertrand Russell

Patrick
Luke, Cameron, Daniel, Shreyas, Rohit

How strong is the force of gravity on Earth?

by Randall Munroe

The science of approaching absolute zero (o K), as discussed by a former professor of mine. (Published in Scientific American, March 2011)

Free Energy, Entropy, and the Meaning of Life! - blog post by physicist Sean Carroll