Stem Learning Community Physics
Unit Schedules

Home || Unit Schedules || The Laboratory || The Quiz Room

 The Physics Classroom || Google Docs || WebAssign



Unit 1: The Ray Model of Light



Day
Thursday, August 28
1
Focus Question(s):
  • What's SLC Physics all about?
  • What is the predictable pattern by which light reflects off a surface?
  • How can the pattern be used to predict the path of light

Activities:
  • Course Introduction, Materials, Google Survey on Chromebooks, Logistical tasks
  • Lab and lab notebooks
  • Discuss Reflection; demos
  • Chromebooks: discuss HW: show TPC, Tutorial, Reading Assignment; WebAssign login and password change
  • Lab RO1: Reflection Lab; do and post-lab
  • Activity: Firing My Laser Challenge (packet, p. 3)
  • Neighbor Nudge: Law of Reflection

Homework:   
  • Do WebAssign survey
  • WebAssign contract: get signed by parents
  • Read Lesson 1 of Reflection Chapter from TPC Tutorial
  • Read SLC Physics Survival Packet; indicate Qs in side margin

Help:




Day
Tuesday, September 2
2
Focus Question(s):
  • What is meant by the term image?
  • How and/or why is an image formed?
  • What are the characteristics of plane mirror images?

Activities:
  • Discuss Law of Reflection; two Neighbor Nudges
  • Preview of MOP; information sheet (Packet, pp. 4-6)
  • Entertain questions left on WebAssign
  • Lab RO2: Images
  • Post-lab: What is an image? How is an image formed? How do you describe it? Parallax demo


Homework:   
  • Read Lesson 2a-2d of Reflection Chapter from TPC Tutorial
  • Do MOP: RM1, RM2


Help:





Day
Thursday, September 4
3
Focus Question(s):
  • Why is an image sometimes not formed?
  • How can one use a ray diagram model to predict how light travels from object to mirror to observer's eye?
  • How can one use a ray diagram model to predict what portion of a mirror would be required to view an image of yourself?

Activities:
  • Discuss specular vs. diffuse reflection. Demos. Diagramming.
  • Ray Diagrams (Packet, pp. 7-8)
  • Any Qs on Survival Packet?
  • Lab RO3: Six Foot Man Problem (p. 37); submit results via Google form
  • Post-lab Six Foot Man Problem; review/discuss data; do p. 38


Homework:   
  • Do MOP: RM3, RM4; record success codes on p. 5 of packet
  • Get caught up on lab work, MOPs, Readings



Help:





Day
Monday, September 8
4
Focus Question(s):
  • Where is the middle image located for a right angle mirror?
  • How does light get from object to mirror to our eye when sighting at a middle image?
  • Where are the images for a parallel mirror system located?
  • How can one use a ray diagram model to predict what portion of an image can be seen by an observer or what images can be seen by an observer?

Activities:
  • Walk-through: Multiple Mirror Systems (as you enter room)
  • Introduce right angle mirrors; primary vs. secondary images
  • Lab RO4: Right Angle Mirror Lab (pp. 39-40); do and pool class data
  • Post-Lab; do some ray diagraming for right angle mirrors (p. 10 of Packet)
  • Discuss parallel mirror systems: Infinity (p. 13, Situation 1)
  • Physics Interactives: Who Can See Who? on Chromebooks



Homework:   
  • Read Lesson 2e-2f of Reflection Chapter from TPC Tutorial
  • Read Lesson 3a-3d of Reflection Chapter from TPC Tutorial


Help:






Day
Wednesday, September 10
5
Focus Question(s):
  • What mathematical equation(s) describes the distance from the mirror to the images for a parallel mirror system?
  • How does object distance affect the characteristics of a concave mirror image?
  • How does the angle between two adjoining mirrors affect the number of images that are formed?

Activities:
  • Parallel Mirror Problem Revisited (p. 13, Situation 2); give challenge
  • Activity: Introducing Concave and Convex Mirrors
  • Activity: Exploring Curved Mirror Systems (pp. 15-16)
  • Discuss anatomy of a curved mirror, principal rays; demos
  • Lab Test: Improving Your Image


Homework:   
  • Challenge: Parallel mirror equation (spend <20 minutes determining the formula)
  • Do MOP: RM5, RM6
  • Read Lesson 3e-3f of Reflection Chapter from TPC Tutorial


Help:





Day
Friday, September 12
6
Focus Question(s):
  • How can a ray diagram model be used to describe how the object distance affects the characteristics of a curved mirror image?
  • How can a mathematical model be used to describe how object distance affects the characteristics of the image?
  • In what way do experimental data support the mathematical model relating object and image distance?

Activities:
  • Demonstration - Rules of Reflection for Curved Mirrors
  • Ray Diagrams for Concave Mirrors (pp. 17-18)
  • Mathematical Modeling of Concave Mirrors (p. 20 of Packet)
  • Lab RO5: Finding Smiley Lab (pp. 32-33); collect data and enter into Desmos

Homework:   
  • Read Lesson 4b-4c of Reflection Chapter from TPC Tutorial
  • Do MOP: RM5, RM6
  • WebAssign - Mirror Equation Problems 1 (due Thursday, 9/18)
  • Bring Calculator

Help:




Day
Tuesday, September 16 (shortened periods; late arrival)
7
Focus Question(s):
  • How can a ray diagram model be used to describe how the object distance affects the characteristics of a curved mirror image?
  • How can a mathematical model be used to predict the image characteristics of a curved mirror image?How does object distance affect the characteristics of a concave mirror image?

Activities:
  • Discuss Lab Notebooks (data and evidence, labeling, units, referencing data)
  • Ray Diagrams for Convex Mirrors (p. 19 of Packet)
  • Chromebooks: Name That Image
  • Mirror Equation Practice
  • Plane Mirror Quiz (~25 minutes)


Homework:   
  • WebAssign - Mirror Equation Problems 1
  • Do MOP: RM8, RM9; Reflection and Mirrors codes due soon


Help:






Day
Thursday, September 18
8
Focus Question(s):
  • How does object distance affect the magnification of a concave mirror image?
  • How can a mathematical model be used to explain the relationship between object distance and magnification?

Activities:
  • Any MOP Codes? (1st chance of 2 chances)
  • Mirror Equation: Two equations and two unknowns (pp. 21-22 of Packet)
  • Science Reasoning Probe (25 minutes)
  • Demos: Foo Ling Yu, Pendulum, Mirage, Powers of 10 Magnification
  • Pass out Quarter 1 Project with handout; discuss
  • Lab RO6: Mirror Magnification Lab - begin data collection


Homework:   
  • WebAssign - Mirror Equation Problems 2 (due Wed, 9/24)
  • Complete MOP - Reflection and Mirrors (to be collected)
  • Begin Reading Lesson 1 of Refraction Chapter from TPC Tutorial


Help:






Day
Monday, September 22
9
Focus Question(s):
  • How does object distance affect the magnification of a concave mirror image?
  • How can a mathematical model be used to explain the relationship between object distance and magnification?
  • What is refraction?
  • Why does refraction occur?
  • When does refraction not occur? How does light refract?

Activities:
  • Hand in MOP Codes for Reflection and Mirrors (2nd chance of 2 chances)
  • Mirror Equation: Two equations and two unknowns (p. 21 of Packet)
  • Lab RO6: Mirror Magnification Lab - begin data collection
  • Activity: Introduction to Refraction (pp. 23-24 of Packet)

Homework:   
  • WebAssign - Mirror Equation Problems 2 (due at 8 AM on Wed, 9/24)
  • Complete Reading Lesson 1 of Refraction Chapter from TPC Tutorial
  • Complete Lab RO6
  • Prep for Mirror Quest

Help:






Day
Wednesday, September 24
10
Focus Question(s):
  • How can one use a conceptual model to predict the direction that a light ray will refract at a boundary?
  • What is the mathematical model that describes the refraction of light?
  • What is the logical origin for such an odd law of refraction?

Activities:
  • Review direction of bending, optical density, index of refraction, light speed; do some ray tracing
  • Lab RO7 - How Much? Lab - collect/analyze data
  • Discuss Snell's Law
  • Why Snell's Law? - demo Least Time Principle at The Physics Classroom
  • Quiz on Curved Mirrors (~20 minutes)

Homework:   
  • Read Lesson 2a-2d of Refraction Chapter at TPC
  • MOP - Refraction Module - do RL1 - RL3

Help:





Day
Monday, September 29
11
Focus Question(s):
  • What is this sine stuff all about?
  • How can one use Snell's Law to predict the path of light at a boundary or to determine the index of refraction of a medium?

Activities:
  • Refraction Demos - A&W Root Beer, Stirring Rod, Fish Spearing
  • SOH CAH TOA (pp. 25-26)
  • Do SOH CAH TOA WebAssign
  • Return Quiz/Key
  • Snell's Law (pp. 27)
  • Quarter 1 Project: some brainstorming


Homework:   
  • Read Lesson 2a-2d of Refraction Chapter at TPC
  • WebAssign - SOH CAH TOA
  • WebAssign - Refraction 1


Help:




Day
Wednesday, October 1
12
Focus Question(s):
  • How can one use Snell's Law to predict the path of light at a boundary or to determine the index of refraction of a medium?
  • How can SOH CAH TOA and Snell's Law be combined to analyze a complex physical situation involving refraction?

Activities:
  • Snell's Law (p. 28)
  • Layer Problem (p. 29)
  • Lab RO8: The Unknown n Lab
  • Combine Snell's Law and SOH CAH TOA (p. 30)
  • Quarter 1 Project: more brainstorming with some exhibit details



Homework:   
  • Read Lesson 3 of Refraction Chapter at TPC
  • WebAssign - Refraction 2


Help:





Day
Friday, October 3
13
Focus Question(s):
  • How can SOH CAH TOA and Snell's Law be combined to analyze a complex physical situation involving refraction?
  • Are there conditions under which the incident light ray undergoes reflection but not transmission at the boundary? If so, then what are those conditions?

Activities:
  • SOH CAH TOA and Snell's Law - two Hendy Specials
  • Refraction Interactive: Focus Question 2 (above)
  • Discuss Total Internal Reflection: R & R; TIR def'n, two conditions; diagramming; demos
  • Quarter 1 Project: select an exhibit to identify a goal and list required materials (specifics needed) and needs (e.g., wiring, special woodworking)



Homework:   
  • WebAssign - Refraction 3
  • MOP - Refraction Module - do RL5 - RL6; codes RL1-RL6 (except RL4) to be collected.


Help:





Day
Tuesday, October 7
14
Focus Question(s):
  • How can one predict the minimum angle at which total internal reflection occurs?

Activities:
  • Submit MOP Codes - 1st chance of 2 chances
  • Lab RO9 - A Critical Lab
  • Critical Angle Calculations: discuss and practice with WebAssign
  • Refraction Quiz (20 minutes)
  • Quarter 1 Project: continue to detail the project specifications with a detailed diagram/description

Homework:   
  • Work on details for Quarter 1 Project - Design Stage
  • WebAssign - Refraction 4
  • MOP - Refraction Module - success codes for RL1-RL6 (except RL4) to be collected.


Help:






Day
Thursday, October 9
15
Focus Question(s):
  • In what ways can one describe a vibration?
  • In what manner does mass affect the period and the frequency of a vibrating object? Can the relationship be described by an equation?

Activities:
  • Submit MOP Codes - 2nd chance of 2 chances
  • Start Unit 2 : Mechanical Model of Waves:
    == Demo: Mass on a Spring
    == Period, Amplitude and Frequency
    == The Wiggles Lab
  • Return Quiz and Quiz Key
  • Quarter 1 Project: Work on details of Quarter 1 Project - Design Stage


Homework:   
  • Prepare for Unit 1 Test

Help:





Day
Monday, October 13
16
Focus Question(s):
  • How does the position of a vibrating mass fluctuate with time? Does the period of a vibrating mass change over time? Does the amplitude of a vibrating mass change over time? How does increasing mass affect the period of its vibrations?

Activities:
  • Lab WM2 - Vibrating Mass Lab
  • Unit 1 Test (45 minutes)

Homework:   
  • Read Lesson 0a, 0b, and 0d of the Waves Chapter at The Physics Classroom


Help:







Home || Unit Schedules || The Laboratory || The Quiz Room

 The Physics Classroom || Google Docs || WebAssign