Physics with Perrone

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IB Physics SL (2019-2020)

Physics with Perrone

the garden

8/15

Informational Packet / Syllabus
Syllabus Addendum - Grading
Introduction to class
Homework - brainstorm a notation for keeping track of how far an object moves AND in which direction it travels, e.g. a man walks 20 meters eastward, then 20 meters northward, then 10 meters westward; can you write this in a way that the sum of these three motions gives you the man's final position?

8/19

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

8/21

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

8/23

"read" motion graphs (worksheets)
help sheet for reading motion graphs

8/27

derive the kinematic (or suvat) equations
practice using the kinematic equations
Homework - solve sample IB test questions on motion graphs; if you have a textbook, read over pp. 27-38 for a review of the material we've covered thus far

8/29

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

9/3

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)
Extra Practice - match motion to graphs with this interactive.
Homework - do test corrections on a separate sheet of paper (just rework the missed problems)

9/5

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

9/9

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

9/11

begin formal lab investigation of free fall acceleration
the general Lab Report Format

9/13

calculate lab uncertainties
the lab report will be due Wed 9/18 (at 11:59 pm) through turnitin.com
homework - you should get started on the lab report

9/17

graph the free fall data -- linearize the graph
homework - complete your lab report; the free fall calculations are due 9/23

9/19

~~quiz over free fall~~ postponed until Monday
review free fall calculations
discuss relative motion
homework - complete free fall calculations (handout)

9/23

quiz over free fall
introduction to vectors
homework - read pp. 39-43 in your textbook

9/25

model 2D projectiles
homework - complete this worksheet of projectile problems (the answers are given within the document)

9/27

review projectile problem-solving
projectile motion lab (online)
homework - complete the lab
pay for the IB Physics field trip to iFLY! The trip will be Mon, Oct 21.

10/1

Mythbusters video
discuss the effect of air resistance on projectile motion
solve IB projectile problems
help with projectiles
homework - extra projectile practice (key)

10/3

quiz over projectile motion
discuss the nature of a "law of nature" and the certainty of our knowledge
homework - pay for the iFLY field trip!

10/7

an introduction to epistemology, the study of knowledge
distinguishing between deduction and induction - worksheet
The Laws of Nature (PowerPoint)
Scientific Laws and What They Say

10/9

meeting with counselor
discuss the concept of a force and the types of forces found within our world (follow this guide and answer questions in your class notebook)

10/11

review types of forces
begin lab investigation of Newton's 2nd Law - formal lab info

**No school on Monday or Tuesday**

10/17

complete the lab
STUDENTS: before going to iFLY, you or your parent must complete this
online waiver!! go ahead and do this asap -- reservation #4115004005
help sheet for adding max and min trend lines to your graph

10/21

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

10/23

read and process the information on this webpage
calculate the force of gravity and discuss weightlessness

10/25

discuss apparent weight
calculate friction
draw free-body diagrams and calculate the acceleration of various objects
homework - the formal lab is due ~~Friday, Oct 25~~ Saturday, Oct 26 at 11:59 pm on turnitin.com; try to do these problems, after reading the explanations

10/29

practice drawing free-body diagrams and using F=ma; model an Atwood machine and a modified Atwood machine
homework - read Unit 2.2 Forces, in your textbook; complete the Forces SL packet
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, 11/6.

11/1

analyze a block sliding down a ramp (and hanging signs (in translational equilibrium)?)
discuss Newton's 3rd Law
homework - if you haven't already, read Unit 2.2 Forces; you can find a bunch of review videos here

11/6

test over forces (even if you were absent last class)
the mini-project is due here by class time today; upload it, don't share it; it will count as a major grade

11/8

define kinetic and potential energy and work
homework - read pp. 62-69 in your textbook

11/12

derive and use the Work-Kinetic Energy Theorem
calculate change in kinetic energy from a force-vs-position graph (key)

11/14

solve problems involving work and energy
sample problems worked out
practice solving energy problems (note: I am not assigning the entire packet)
upcoming: the mousetrap-powered car project will be assigned next week
upcoming: we will have a test next week on work and energy
homework - solve at least 12 problems in the green packet [answer key]; complete the four mini-worksheets

11/18

calculate elastic potential energy
solve IB test problems involving elastic PE
homework - complete pages 2 and 3 of the handout (IB problems on EPE)

11/20

assign the mousetrap-powered car project (due Dec 9) - video help
solve additional problems involving elastic potential energy

11/22

test on work and energy

12/3

discuss the energy test; spend more time learning energy concepts
carefully read and think through this handout on work and energy
[we will need to meet during PIT to properly finish this topic; you will need to re-take the exam]
homework - watch this video on power and efficiency; take notes; we won't discuss the material in class
re-take the exam Friday before school (8 am sharp) or next Wednesday PIT; your grade will be the higher of the two