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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**

- "read" motion graphs (
__worksheets__) __help sheet__for reading motion graphs

**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 1__,__file 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**

- video analysis of a projectile -
__instructions__- download
__this video__to analyze

- download

____**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**

__introduction__to work, kinetic energy, and potential energy

**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**(to be due Dec 16th) - video__project____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 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

**1/23**

- test over impulse and momentum
- homework - the lab report is due tomorrow (Friday) night

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

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