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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
  • review for the work-energy quiz
  • discuss power and efficiency - video

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]
  • ??

12/18

  • review for the midterm

12/20

  • midterm exam, covering the entire semester
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