Mr. Brown's Physics J period 1-2 (TRF)
Daily Activities and Assignments
(click on month) September, October, November, December, January, February, March, April, May, June
9/6 Welcome to physics class. Group activity- describe motion of carplane- in words, quantities, and graphs and create a poster expressing these ideas clearly. HW- WebAssign due 9/9 and read Section 2-1 in handout
9/7 Catch the Speeder Activity- determine a way to measure the speed of cars driving by on Stirling Rd. Defintion of terms: time, displacement, and velocity (symbols, units, and relationships). Catch the Speeder- due 9/11
9/11 Graph Matching lab activity. Understand the meaning and relationships between a position vs time graph and a velocity vs time graph. LAB REPORT (activity pages) due 9/20
9/14 Discuss graphs and transitioning from position/time to velocity/time graphs (and reverse). In class, worksheet 2.1 Graph Skills, math pre-test. Check understanding using of Joy's Joy Ride graph and interpretation of motion. WebAssign
WebAssign: Kinematics #1 J 2007 online- You need to print out the assignment and show work for problems on these pages and BRING THIS TO CLASS on 9/18. You have three submissions that needs to be done by 11PM on 9/17. If the answer is not correct, you will have the opportunity to change it (I will give more submissions) before 11PM on 9/20. This type of webassign will be given weekly with the same Sunday/Thursday due period.
9/18 Review WebAssign questions, emphasizing the methods of solving problems by breaking situations up into multiple parts (and finding a mathematical relationship for each part) and solving for multiple equations and unknowns. Relationships between graphing and mathematical solutions is discussed. Definition of acceleration, and examples, are introduced. HW. complete practice 2B 1-5 on the handout (due 9/20), complete Kinematics WebAssign (9/20), Graph Match Lab (due 9/20), and prepare for quiz on constant and average velocity concepts and problems (on 9/21). Acceleration WebAssign posted (1st submissions due 9/23- the first official day of Fall)
9/20 Modern Galileo Experiment to determine how constant acceleration motion compares to constant velocity on both position vs time and velocity vs. time graphs. Lab due 9/25. WebAssign Kinetimatics #2 is announced- first submits due 9/24.
9/21 Quiz on constant and average velocity concepts. Kinematics equations- where do they come from and how are they used? Mathematically solving constant acceleration problems for accel, initial vel, final vel, displacement and/or time. Lots of practice problems. Work on modern galileo lab and prepare for test for hw.
9/25 Picket Fence Lab to derive the acceleration of gravity. Interactive physics simulation (run through citrix if you wish) to visualize the positions, velocity, and acceleration of an object thrown up in the air as it travels both UP and DOWN. Guide sheet Up and Down motion to be completed. WebAssign Kinetimatics #2 is discussed.
9/27 Class review of 1-d motion problems. Discussion of relevant graphs, equations and concepts and students practice problem solving. Small group, partner, and individual practice is provided.
9/28 Test on Motion (no link attached, nice try),
10/4 Do now: check understanding of 1st law using CDPP 5-1, problems 1-7. Go over motion test, lab activity: Force Lab. HW- complete WebAssign for 10/4 (another submission added). Be prepared for quiz on 1st law, mass and weight on 10/5.
10/5 Quiz on 1st law. Intro to Newton's 2nd Law- Force vs. acceleration (carts accelerated with hanging mass) lab. Find acceleration due to unbalanced forces to derive part of Newton's 2nd law. Complete problems on CDPP 5-1 and CDPP 5-2 due on 10/9.
10/9 Do now: fbd for sliding a block at constant velocity- relate to lab. Also, look at sample force vs time graph from lab to clearly analyze the forces on the block and points of interest (static vs kinetic friction). Complete measurements for friction lab. Sample problems using newtons' 2nd law and force of friction ("mu") equation. HW- webassign, first submission due Sunday at 11PM (will be reopened after questions). Force Problem Sheet (#3)
10/12 Complete experiment for force vs acceleration lab-lab write-up due 10/12. Survivor for CDPP 5-1 and go over 5-2. Return and review quizzes. Begin static and kinetic friction lab.
10/17 Students design their own "acceleration vs mass" lab to verify Newton's 2nd Law. Equipment which students may use include carts, masses, pulleys, stopwatches, trackes, marbles, etc. Formal Lab write-up is required for each student- due 11/26.
10/18 Complete Acceleration vs. Mass Lab. Sample problems of Fnet and acceleration combined with free body diagrams solved and webassign review. Labs Due 10/26
10/19 Friction lab- static and kinetic friction lab. Finding the coefficient of friction by sliding a block on the desk using a best fit line of data and comparing this value to the . WebAssign due 10/21 at 11PM.
10/23 The friction equation- Ffric="mu" x Fnorm . Graphing and finding best fit lines on a TI to find "mu" from experimental data. Sample problems involving the coefficient of friction. Newton's 3rd Law, powerpoint and guide sheet.- complete. Practice D/ 1,2, 7,8, 9 ; Practice E/1,2,5 and CDPP 6-1 for Wed's class. WebAssign reopen for Wed 11PM, Friction Lab and Mass vs Accel lab due on Friday. Test on Forces (Ch. 4 in Holt book) on Friday.
10/25 Review for test of Newton's Laws and forces (including friction). Examples solved in class. Lab Survivor for CDPP 6-1.
10/26 Test on Forces. Labs are Due
10/30 Go over Force Test. Vectors- Introduction and the Graphical Addition of Vectors. Complete worksheet (6+8=?), finish for homework and read Holt text p. 81-85.
11/1 Treasure Hunt- quick challenge. How can this be done faster AND more precisely? Component method of adding vectors, trig review (SOHCAHTOA) and pythag's theorem. HW Problems 1-10 on Vector Component Sheet, Rd 86-91.
11/2 Component vectors. Visuallizing the meaning of components, finding them mathematically (trig) and how to complete the solution of finding a vector sum using the components. Practice/Review of Vector Component Sheet and additional problems. WebAssign Due 11/5 (first submissions)
11/6 Treasure Hunt Lab. Complete the vector addition problem using components to find the resultant vector which will lead you to the proper location for your treasure. WebAssign extension to 11/11
11/13 Vector Activity Hanging Masses. Review vector resolution, both from scaled diagrams and using trig to find x and y components. Statics demo- 1 hanging weight from angled supporting tensions, sketch a free body diagram and solve for the missing tension. Force Table Lab-solving for the net force caused by three different masses around the center ring. Then each group solves for an unknown mass to get within 5% of mass using vector components. Hanging mass worksheet for homework due 11/15.
WebAssign of vector components due 11/18 at 11PM- do your best to complete it. It will only be opened for a short time after that.
Other examples- Ramp problems with acceleration. Symbolic solutions for block accelerating down ramp (compared to block moving up ramp with a downward accelration). Review Test on Vectors, begin WebAssign with ramp problems. Vector test on Tuesday (11/20).
11/14 Review hanging mass worksheet, students work in groups and receive individualized help to master the concepts. Try to develop "stumper" problem that you can solve but a peer cannot. Begin vector problems with a net force (ie. a wagon pulled by a string that makes some angle with the horizontal). Complete worksheet of cart being pulled at angle, with and without friction, side 1 for homework (due 11/16.
11/16 Finding the acceleration of a cart pulled at an angle hw reviewed. Back of worksheet completed and discussed- Application of Components provided- pull string horizontally with a mass hanging in center- explain result using vector terminology. Friction Lab (Part 2-Demo) Finding mu static and kinetic for a 0.1kg wooden block and a 4kg brick sliding down a wooden ramp.
1) Explain how to find mu static using fbd's and Newton's Laws if you have the angle of the ramp.
2) Explain how to find mu kinetic using fbd's and Newton's Laws if you have the angle of the ramp.
3) Show all calculations (finding angle and mu values)
4) Compare mu's for light block vs. heavy brick.
Other examples- Ramp problems with acceleration. Symbolic solutions for block accelerating down ramp (compared to block moving up ramp with a downward accelration). Review Test on Vectors, begin WebAssign with ramp problems. Vector test on Tuesday (11/20).
11/19 Review questions on webassign and ramps.
11/21 Test on vectors. Have a Happy Thanksgiving.
11/26 Intro to Projectile Motion. Starter question: does a dropped marble hit the ground at the same time as one that rolls off the table? Demo to verify the answer. Note: projectile motion is simply a combination of motion in the horizontal direction and motion in the vertical direction. Rolling Marble of Table (or ROM lab)- Predict where marble will land after measuring the velocity the marble has while its on the table. Verify this with a rom sheet and measure percent error. Old kinematics equations STILL apply (just do one direction at a time). HW- projectile practice problems (odds).
11/28 Discuss projectile practice and complete. Students apply kinematics equations and initial and final conditions to determine where a horizontally launched projectile will be at some future time. Joe Physics Motorcycle Jump sheet (wkst and graph) start in class complete for hw. Review homework and be ready for a quiz on 11/30. See WebAssign for additional hw-it is due Sunday 12/2 at 11PM.
Up and Out Projectile Motion. Use online applet (lectureonline.cl.msu.edu/~mmp/kap3/cd060.htm) to view projectiles launched at 10m/s at various angles to fill in the table and answer questions on guide sheet. Try to Also, try your luck at being a pirate- complete pirate projectile worksheet while running the pirate simulation at Assign Webassign on projectile motion.
11/30 Ballistics Cart launching Projectile Demo- will the ball land back in the cartcomplete the shooting arrows worksheet to calculate the height and range of a projectile launched at an angle. Assessment: horizontal projectile quiz. Solving for max range and max height for a projectile launched with a known velocity and angle above horiztonal. Students work in groups to complete the shooting arrows worksheet and work backwords to solve for the intitial velocity of launch. Continue webassign on projectile motion.
12/3 Review worksheets and webassign to complete study of projectile motion. Demonstrate "Monkey Hunter" to show relationship of falling objects to their "non-gravity" states of motion. Intro to Circular Motion- Centripetal Acceleration define linear (tangential) velocity,period, frequency, and the centripetal accel (equation and units). Students complete ciruclar motion worksheet sample problems (check answers on the worksheet).
12/5 Projectile Motion test. Circular motion- direction of Acceleration and the net force necessary for an object moving in a circle or turn(remember Newton's 2nd law). Push pool ball to have it travel in circle. Circular motion demos- record player- finding linear velocity, cent. acceleration. WebAssign on Circular motion due 12/9. Comparing the period, linear velocity, and cent. accel for an object spinning at 33rpm's on the record player 4cm and 8cm from the center. ,Go over projectile motion tests. Assesment: WebAssign on Circular motion
12/7 Circular Motion Lab- Determining the relationship between cent accel and velocity experimentally. Swing a stopper as the force pulling it inward varies and measure the velocity of the stopper. Assessment- Complete lab and CDPP 9-2. Announce Circular motion test on 12/14. WebAssign- Circular Motion- J 2007 due 12/9 (first submit).
12/11 Examples of Circular Motion- finding forces and other physical quantities necessary for circular motion. Examples include car turning (to find coeffeicient of friction necessary to turn safely), rotor ride (Taz Twister) to determine g's and mu. Create fbd's for different situations to see the relationship between the forces and circular motion. Review CDPP 9-2. Assessment- complete circular motion practice describing for hw due 12/13 and WebAssign- Circular Motion- J 2007 due 12/12.
12/13 Snow day.
12/14 Solving circular motion problems- key questions and guide (powerpoint)to fill in student sheet. Work in pairs to answer webassign questions. Review WebAssign and circular motion practice problems. Demo- vertical circles- how do you find the cent accel and Fnorm on an object as it turns up or down? Why doesn't the water fall out of the cup? (and how does this related to a looping roller coaster ride) Assessment- hw check, webassign, and upcoming quiz (Friday 12/14). Review webassign, going in circles worksheet and other questions dealing with finding the cetripetal force. How to justify the existence of "centrifugal forces" (outward forces) when you know that the acceleration and net force must be inward during a turn. (additional discussion see "the forbidden f word" from physicalclassoom.com). .
12/18 Circular motion- the final frontier-The universal force of gravity! Orbiting Satellites and Gravity Virtual Lab. Students will discover what happens to the force of gravity that the Earth exerts on you as you start on the planet and move farther away. Run Interactive Physics through citrix (science applications folder after you login) and then open file in: student drive/physics j/force of earth on you.ip . Record answers on worksheet, and complete graph and answer the questions. Begin parts 2 and 3 and finish these for homework- here are the links: inner solar system model from cuug and physics.syr.edu seti tutorial site(due 12/19). Students will apply Newton's Law of Universal Gravitation Force (equation) find the fgrav between any two masses. Sample problems demonstrated. Did you know that the person next to you is attracted to you? (well it may be quite small- how's 0.2 microNewtons). Assessment: Complete finding fgrav worksheet. HW: Complete Orbiting Satellites and Gravity Virtual Lab parts 1,2, and 3 and fgrav worksheet. there will be awebassign Gravity-J due just after the break, but you can start it (and nearly finish it) now!.
12/20 Kepler's Laws (powerpoint) will be demonstrated and applications provided. Link between orbiting objects and fgrav will be determined mathematically. HW- due Tuesday: complete Kepler's Laws Review and part 4 of virtual lab. WebAssign- Gravity-J extended to Wed 11PM. Students will be able to solve problems involving Kepler's Third Law (Law of Harmonies). Students will find the velocity of an orbiting body by combining universal gravitation and circular motion and compare this to finding the speed of a body if another satellite motion and radius of orbit is known. Check for understanding using WebAssign and worksheet provided.
12/21 Review of Keplers Laws using current examples (Space Station, moon) and individual assessment provided. Test on Universal Gravitation and Kepler's Laws. Tribute to Newton. Have a great vacation.
1/2 Impulse and Momentum- definitions of these terms are provided and the relationship between them is derived. Use tennis ball, bowling ball, and people to provide examples and assess student understanding of the applications of these quantities. Worksheet and CDPP 7-1 (front) given as homework due 1/4 - complete webassign for 1/6 at 11PM. Begin Midterm review webassign part 1, due 1/11.
1/4 Impulse and Momentum- review webassign and homework, survivor with CDPP 7-1 front. Forceful finger lab- compare the impulse provided to an object to the object's change in momentum. Complete lab for 1/7. Graph of force vs. time provided and meaning of impulse based on graph is analyzed. Discuss Webassign on impulse and momentum and midterm review part 1.
1/7 Demontrate cases of the same impulse provided by different time periods (hence different forces). Students understand that more time involved for same impulse means that less force is applied- applications include auto safety- seat belts and air bags. Throw egg at sheet to provide visual example. Use Vernier force plate to show landing with less force means to extent time to stop by bending knees.
1/9 Go over webassign to address individual concerns on Impulse and Momentum as well as review the webassign for Midterm Review. Demonstration to show that Newton's 3rd law applies for Impulse. Quiz- individual assessment of imp/momentum fundamentals.
1/11 Cart Explosion Lab- students develop example to show that momentum is conserved (and what that means). Activity-finding the velocity of two carts as a force is applied from a plunger attached to one of the carts. Determine the momentum of each cart and of the system before and after the explosion. Lab reports due 1/14. WebAssign Midterm review part 1 due 1/17 and part 2 is assigned for 1/20.
1/14 Conservation of Momentum- Explosions and Inelastic and elastic collisions are analyzed applying Newton's Laws and Impulse-Momentum theorem. Students solve for the velocity of the objects after the collision and/or before. Determining the speed of a bullet shot iinto a block. CDPP 7-1 (back) due 1/16.
1/16 Review Homework (survivor for CDPP 7-1 back) and Impulse/Momentum topic for test on 2/8. Class discussion and demo of elastic collisions maintaining same magnitude of relative motion (although opposite direction) between two bodies colliding in one dimension.
1/18 Test on Impulse and Momentum. Students demonstrate understanding of these topics after class discussion of classic demos including: gliders on air track to review Newton's 1st law, elastic collisions, etc. and toy with 4 different mass elastic balls to launch the lightest one. Reopen Part 2 WebAssign midterm review for 1/29
1/23 Review for Midterms- address individual concerns on Midterm Review parts 1 and 2. Physics Concept inventory is discussed and the relationship between different topics is generated in small group discussions which then lead to class review. Review Mom and Impulse Test. Students work cooperatively in pairs to discuss topics on review sheet and to prepare equation sheet which will be used during the exam.
1/25 Review for Midterms- address individual concerns on Midterm Review- students work cooperatively in pairs to discuss topics on review sheet and to prepare equation sheet which will be used during the exam.
1/30 Midterm
2/1 Review Midterm- Return exams and examine errors. Students work in small groups and with teacher individually to correct mistakes and misunderstandings. Tests are collected at the end of the period.
2/4 Work and Power Intro- Students will recognize situations which do or do not require work and be able to calculate the work done on an object by a specific force. Power lab- determining your power (comparing this to a horsepower) as you travel up a flight of stairs. Assessment- complete lab report. .
2/6 Ramp lab to determine the benefit of using a ramp to move heavy objects. Finding the applied force and work done by this force as a cart is brought to a certain height using ramps of different slopes. Assessment: complete lab report for homework.
2/11 Define gravitational potential energy as the opposite of the work done by gravity as an object moves to a new height. Apply to ramp lab, and machines in general. Discuss/demonstrate mechanical advantage using different ramps and other simple machines. Efficiency, ideal mech adv, and actual mech adv are determined for ramps.Students will derive Work-Kinetic Energy Theorem and apply theorem to determine the velocity of an object after work is done on it. Worksheet to assess student progress, complete for homework. WebAssign due 2/25 (first submits).
2/13 Roller coaster simulation lab.Discuss Roller Coaster simulation experiments, observations and conclusions. Conservation of energy- applications of mechanical energy are provided. Determining speed of roller coasters at different locations shown. Assessment: worksheet in roller coaster analysis, and "Does Mass Matter" Roller Coaster worksheet for homework.
2/20 Review energy/work analysis of rollercoaster problems (finding speed at the top and bottom of loops) and collision problems (elastic vs. inelastic to analyze the conservation of KINETIC energy and when it applies).
2/22 Test on Work/Energy (snow day, moved to 2/25)
2/25 Review Work/Energy topics, assessment of Work, Energy and Power.
2/27 Intro to Electrostatics. Charged tape lab to investigate the nature of the electrostatic force. Class discussion of how objects become charged, the fundamental unit of charge, units of charge (Coulombs), typical charges of objects. Demos using Wimhurst generator, high-voltage pulses, and vandeGraff generator to show charging of objects and their effects. Differences between insulators and conductors analyzed. Read pages 539-548 of text book and powerpoint on electrostatics.
2/29 Coulomb's Law- show the relationship between two charges and the interaction between them (Felec). Compare and contrast Coulomb's Law with Newton's general equation of the force of gravity between masses. Examples of two and three particle systems shown. Check for understanding using Coulomb's Law worksheet (complete for hw), and webassign- first submits.
3/6 Warm-up activiy: Comparing Fgrav and Felec of a He nucleus and an orbiting electron (next time question 32-1 - force and acceleration review as well). Examples of induction and charging through contnact with soda can, pith balls, water stream and rod. Review Coulomb's Law Practice and WebAssign questions on electrostatics..
3/11 Prep for Quiz on Estatics- the charging of objects, using Coulomb's Law, and charged particles, Electric Fields around point sources and multiple point sources- independent investigation using computer simulations provided on activity sheet. For quick links to the sites click the part: A, B, C . Go try electric field hockey site and practice. Complete activity for hw due 3/13. Field Lines: formal definitions of what can be determined from a given field picture and how to generate an electric field picture given multiple point sources. Electric Potential Energy vs. Electric Potential powerpoint. Check for understanding through WebAssign (first submits due Thur night, final due Sunday night) and CDPP 33-2. Read Holt text p. 572-579. Demo- lighting a fluorescent bulb using electrical potential between vanderGraff generator and ground (through my hand).
3/13 Quiz on estat. Review CDPP 33-2. Electric Field Strength equations for the field around a point source and for the field between two charged parallel plates. Examples shown and solved in class. Worksheet to check understanding (E Fields and Potential Practice). Read the text p.594-600 WebAssign first submit due 3/13 evening. Bring in print-out and questions for 3/14.
3/14 Quick reading/concept check. Start-up WebAssign questions addressed. Activity: making a light bulb work with a single battery, bulb, and wire- draw illustration of the details showing connections. Introduction to voltage, power, and resistance. How to measure voltage dropped and current through different areas of a circuit. Calculating the power in electrical systems. WebAssign due Monday night.
3/18 Ohm's Law Lab- investigating the relationship between voltage, current and resistance in simple circuits. Comparing the resistance properties of resistors and bulbs over a range of different voltages. Complete lab for 3/26, CDPP 34-2 (Electrical Power) and WebAssign due Sunday 11PM.
3/20 Finish Ohm's Law Lab, review Ohm's law Practice hw. Complete CDPP 34-1(Voltage vs Current ideas) and CDPP 34-2 (Electrical Power). Use PhET simulation software to create circuits, measure voltage and current at different spots.
3/25 Math examples of ohm's law and power equations to show that energy is conserved in all circuits. Students complete CDPP 34-1 to demonstrate understanding. (continue WebAssign- extended to Wed. night. Students experimentally determine the rules for current, voltage and resistance for 2 resistors placed in a series circuit and then repeat this process for a parallel circuit. The cost of electricity. Students agree that parents tell them to turn of lights since it costs money- how much does it really cost to run a 100W bulb for a year (24/7) if the power company charges 5cents/kWh?
3/27 Series vs. Parallel circuits. Finding the equivalent resistance for each of these types of circuits. Give out CDPP-35-1 and table of circuit problems to solve in class and for hw. WebAssign for circuits due 3/31 (first submits)
4/1 Review CDPP 35-1 (survivor game) and CDPP 35-2. Answer webassign questions...and complete review for circuit test. Students show understanding of circuit problems using Joy Wagon circuit problems to fill in missing voltage or current or equivalent resistance in different circuits.
4/3 Review for Test. Survivor with CDPP 35-1. Read sections 16.3, 17.1 (to p. 597), 17.3-4, 18.1-2 to review for test on Friday. Begin study of compound circuits (not on Friday's test)
4/4 Test on electricity. Students demonstrate understanding of electric fields, electric potential, electric potential energy, Ohm's Law, series and parallel circuits. Solving for equivalent resistance and voltage/current in specific resistors in compound circuits. Webassign with compound circuits due 4/10.
4/8 Activity identifying direction of magnetic field lines around a single bar magnet, multiple bar magnets, circle and horseshoe magnets. Students draw field lines with appropriate directions around magnetic sources. Complete activity sheet and analyze results.
4/10 Quiz on compound circuits. Students will continue identifying magnetic field lines around known magnetic sources. Video- Magnetic Storm. Studnets will write down answers to the folowing questions: What is the cause of the eatrh's magnetic field. How is this field changing over time- what evidence is there of this change. What affect will this have on human life? What affect will this have on the planet?
4/11 Reading Handout from Conceptual Physics Ch 36.2-36.5 to determine cause of magnetism and domain theory. Demo of 1st right hand rule as current travels through a wire which is surrounded by compasses. PowerPoint on Magnetism (courtesy of Mr. Dellibovi) to complete the powerpoint guide. WebAssign posted, first submits Sunday 11PM.
4/15 Students observe demos of second right hand rule, creating a magnetic field inside coiled wire (solenoid) and continue powerpoint which gives examples and applications of electromagnets. Equations to calculate magnetic field around a straight wire and loop(s) are shown and examples are completed. Continue WebAssign for HW. Announce test for 5/2.
4/17 Complete powerpoint, emphasizing 3rd Right Hand Rule for deflecting force on a moving charge travelling through a magnetic field. Cathode ray tube demo shown for direction of deflecting force. Student questions on WebAssign are discussed as a class- final submissions due 4/26.
4/18 Interesting applications of magnetism and fields: directing the motion of a charged particle in a cyclotron. Activity: create a mini-motor using a battery, magnet, paperclips, and wire. Assessment- write an explanation of how the components create a working motor using fundamental principles of electro-magnetism. Review for test, webassign questions.
SPRING BREAK...Enjoy
4/29 Group review of 3 right hand rules, equations, conventions of directions of force and magnetic fields, and why the motor works. Explain how the generator works to turn kinetic energy to electrical energy.
5/1 Activity: create a mini-motor using a battery, magnet, paperclips, and wire. Assessment- write an explanation of how the components create a working motor using fundamental principles of electro-magnetism. Review for test, webassign questions.
5/2 Test on magnetism. Intro to waves. See powerpoint on waves and complete organizer (intro to waves) defining and giving examples of longitudinal vs transervse waves, mechanical vs. electromagnetic, wavelength, frequency, period and amplitude . Complete intro to wave organizer from class discussion and wave powerpoint. Demo activity: slinky lab.
5/5 Wave properties- define and apply theory of superposition to interference (constructive and destructive), as related to slinky lab and other examples. Forced vibrations, resonsance, natural frequency and velocity definitions and relationships all defined and examples provided. View ESPN Video- Making Waves and copmlete activity sheet on Wave velocity, frequency and wavelength. Students complete Concept Review (12-3, 12-4, 13-1) , HW- Complete Doppler Lab simulation activity from Doppler Website for hw. WebAssign, first submissions due 5/8 at 11PM). Bring print-out to Friday's class to address questions and show work. Holt reading- p. 382-394, 408-420.
5/7 Sound waves and musical notes. Students analyze graphs to determine the frequency of different tuning forks. Relationships between pitch, frequency, wavelength, and amplitude vs the tone and loudness are described through observation of results. WebAssign questions are reviewed, quiz on basic wave properties.
5/9 Waves and sound- students will analyze standing waves in terms of wavelenth and frequency of fundamental wave and overtones (harmonics). Mathmatical definition of octaves provided with examples. Students will create standing waves and see the relationship between the fundamental frequency and the overtones.
5/12 Students will observe beat frequencies between two close notes, understand why these beats form and learn how to calculate beat freq. Each student will complete beat frequency activity sheet. More wave terms to be defined and examples shown: relfection, refraction, and diffraction.
5/14 Review for Wave Test- complete standardized test prep as a group and compete against other groups. Students will independently finish CDPP 25-1 for reivew on 5/16
5/16 Go over labs and review information. Begin reflection lab Test on Waves postponed to next week. (5/19)