Mr. Brown's Physics H period 10-11 (MWR)
9/6 Welcome to physics class. Class rules/policies including lab journal (handout with details). Complete Survey and Math Assessment WebAssigns for 9/9.
9/7 Models of the Atom (Dalton, Thompson, Rutherford, Bohr), Relative size of atoms and atomic components. How do we "see" what is known- even what can't be "seen"! Details of what can be observed using light microscopes, SEM, STEM and atomic force microscopes. Complete Standard Model review sheet using Particle Adventure website- Due 9/11
9/11 Cloud Chamber activity. Complete for 9/12
9/13 Subatomic physics- matter components of the Standard Model. Quarks and leptons. Properties of these particles. Rules of the game (conservation)worksheet . Complete Standard Model WebAssign for 9/16. Brief Powerpoint of standard model from particleadventure.org (edited by Mrs. Gershman)
9/18 Intro to Motion. Describe the motion of the carplane- groups create posters of terms, graphs, and diagrams to clearly describe the type(s) of motion the toy has as it travels along the desk.
9/20 Physics 500. Students design experiment to distinguish between a person travelling at a constant velocity compared with a runner speeding up or slowing down. How do position vs time graphs clearly show the type of motion? Follow-up with this lab to investigate graphing of motion. Take position vs time graph and data and find the instantaneous velocity at every second for each trial. Graph velocity vs time information and then find acceleration at every second to create accel vs time graph.
9//21 Test on Standard Model.
9/25 Interpreting Velocity vs time graph Lab. HW- complete graph match lab, redo vel and accel vs time graphs (if necessary) for 9/27. Also, WebAssign- Motion Graphs H 2007, due Wed night (9/26) at 11PM. (Bring printout of assignment to class).
9/27 Be very comfortable describing motion qualitatively from position vs time and velocity vs. time graphs, and mathmatically find the avg. velocity, inst vel., avg accel, inst accel, and displacement from graphical analysis. Discuss and solve problems from sheet 1 and sheet 2 in class. HW- WebAssign reopened for one more submission due tonight, solve problem (or at least determine as much information as you can and create graphs or math solution) from class: A bike travels at a constant vel of 10m/s. The bike gets 20 m past a car at rest and then the car begins to accelerate at 5m/s/s. When will the car pass the bike?
Modern Galileo lab. Determining acceleration from position vs time and velocity vs time graphs. (Modern Galileo due 9/29)
9/28 Derived general motion equations from graphs. Application of equations to acceleration problems. WebAssign Motion H due 10/3
Modern Galileo lab. Determining acceleration from position vs time and velocity vs time graphs. (Modern Galileo due 9/29)
10/1 Derived general motion equations from graphs. Application of equations to acceleration problems. WebAssign Motion H due 10/3
10/3 WebAssign review. Chaser problems- graphical and mathematical solutions for zero, one and two points of intersection. Finsih WebAssign
10/4 Graphs for motion to review and problems (1-4) for homework (due 10/6). Ball Toss Lab to determine acceleration of gravity. Students analyze position, vel, and accel vs time graphs for the ball to describe its acceleration during flight. Test on Motion on 10/18
10/10 Up and down simulation lab. Students use Interactive Physics to run a simulation to find the how the pos, vel, and accel of a ball in flight vary every second during its motion. Students also determine key values of accel and vel at the objects high point and at its return to the original height. Complete handout for hw due 10/11.
10/11 Motion Problems H- solving acceleration problems using simultaneous equations, graphing, and relative velocity techniques. Students work in small groups and individually to solve "Motion Problem H" examples and compare different techniques to other group's work. Addition problems to be completed for hw.
10/15 Go over homework problems and prepare for test on 10/18. WebAssign handed out and posted due 10/8 at 11PM.
10/17 Vector Introduction- adding vectors using scaled diagrams
10/18 Motion Test.
10/22 Review Motion test. Students use vector components to find the resultant vector. Trig review. Webassign on vector components due 10/26 11PM.
10/24 Relative Velocity problems. Look at a boat travelling across a moving river- how do we find the velocity of the boat relative to the ground. Using vector components to find time, displacement, and velocity and the relationships between these vector components. Students complete web-based activity to find resultant velocity and arrange angle so that boat can travel directly across the river.
10/25 Treasure Hunt activity part I. Each group develops vector clues to aid in the search for their buried treasure. Vector addition and subtraction (and even 3-D) must be included in these clues. Vector WebAssign Due 10/25
10/29 Relativity- read handout from "Einstein" and complete activity on relativity. Computer simulation of time dilation and length contraction.
10/31 Solving Problems using "gamma" or the percent of the speed of light to find the time dilatio and/or length contraction. Paradox of simultaneous events in one reference frame compared to the same events as viewed by a moving reference frame. How can "simultaneous" in one frame not be so in another?
11/1 Treasure hunt assessment- determine where the another group's buried treasure is using component method
11/5 Review applications of relativity equations. Finding time dilation, length contraction and relative velocities of fast moving objects through equations in terms of %c and/or gamma. Intro to forces, notes provided in force powerpoint. Complete WebAssign
11/7 Relativity test. Students demonstrate mastery of space-time changes as objects approach the speed of light.
11/12 Newton's First law demos, powerpoint, and guide sheet. HW- complete the guide sheet using the powerpoint link.
11/14 Do now- survivor style CDPP 5-1 problems 1-7. Intro to Free-Body Diagrams, complete worksheets on Free-Body Diagram using physicsclassroom.com link for fbd's (due 10/13). Find acceleration due to unbalanced forces to derive part of Newton's 2nd law.
11/15 Newton's 3rd Law- Powerpoint and guide sheet , please complete for homework. CDPP 6-1 front and back completed in class and reviewed through class discussion.
11/19 Work in groups to start worksheet "Applications of Newton's Laws" to be turned in at the end of class. HW- start WebAssign "Newton's Laws H #1" due 10/25 at 11PM. Bring in printouts
11/21Applications of Newton's 2nd law to multiple body systems and empahsis on creating free body diagrams and relating these to the net force and thus acceleration. Continue WebAssign "Newton's Laws H #3"
11/26 Friction Lab- determining the relationship between normal force and static and kinetic friction. HW- complete webassign and "Applications of Newton's Laws" packet. Concept check on two body systems with acceleration, tension and friction. Review back of CDPP 6-1, action-reaction pairs.
11/28 Newton's Laws Labs. There are different experiments dealing with forces, acceleration, friction, (described in Force lab guide) Students must find compare theoretical values of coefficient of friction, acceleration, or unknown mass with the experimental values found in class. Review WebAssign Newton's laws 2.
11/29 Continue rotation of Newton's Laws Labs. Review WebAssign Friction and Ramps.
12/3 Complete rotation of Newton's Laws Labs. Lab journal reports must include the relationship of how Newton's Laws apply to the force and motion nature of each of the labs. Begin Projectile Motion- use Interactive physics to see the type of motion which exists in the horizontal vs. vertical directions. Complete study guide of ball launched at same speed and different angles. Prepare for Marble roll lab doing prelim questions in lab journa and start webassign which provides tutorial on projectile motion (due 12/4)
12/5 Projectile Motion- predicting the landing spot of a marble rolled off the lab table using components of motion and Newton's Laws. (marble roll lab). 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. Review homework- see WebAssign for extra problems (it is due Sunday 12/9 at 11PM, but the first 5 problems can be done already).
12/6 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 complete the shooting arrows worksheet to calculate the height and range of a projectile launched at an angle. Assessment: horizontal projectile quiz. Assign Webassign on projectile motion part 2.
12/10 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 solutions and work backwords to solve for the intitial velocity of launch. Continue webassign on projectile motion part 2. Students experiment with Interactive Physics to create their own projectiles in a simulated environment to check understanding of projectile concepts while other students experiment with launcher to determine velocity and create a point game based on predictions (based on calculations) of the landing spot of the projectile.. Individual Assessment- Test on Projectile Motion on 12/13.
12/12 Introduction Activivies for circular motion- Direction of a object's velocity and it's acceleration as it travels through a circular path. Equations to find velocity and centripetal acceleration are discusses (see page 142 in text for derivation). Define terms: period, frequency. Complete WebAssign on Circular Motion- Prep Work - due Sunday 12/16 at 11PM. Activiity write-up needs to include:
A) direction of velocity of marble
B) direction of force to keep pool ball in circle
C) Record player: find the velocity and cent accel of the two points, A and B, on the turntable as it spins at 78RPM.
D) Which point has a larger vel, accel, and freq? Provide clear explanations as to why there are differences for each quantity.
12/13 Test on Projectile Motion
12/17 Circular Motion lab- finding the relationship between the cent accel and the velocity using a swinging stopper, with a varying net force. Review proj motion tests. Assessment: lab report due 12/19
12/19 Demo- vertical circles- how do you find the cent accel and Fnorm on an object as it turns up or down? Assessment- hw check, webassign, and upcoming test.Applications of Cent Acceleration. Work in arranged groups to understand WebAssign problems and then complete circular motion lab. Add the following items to lab reports: A) the column "cent. accel" to the data table B) Find the mass of the stopper for each trial using cent accel and net force, find the average of the mass values, compare to actual mass (find the percent error)
12/20 Solving circular motion problems- key questions and guide (powerpoint)to fill in student sheet. Work in pairs to answer circular motion H practice questions.. . Test on Thur. 1/3
1/2/2007 Welcome back- Happy New Year! Finding the orbit radius of Mars from sighting information (opposition and other angles) from Kepler's data. Tribute to Newton. HW-Phases of the Moon, looking at the moon's circular path and relate to force of gravity. (Redo hw from 12/20) Have a great vacation.
1/3 Test on Circular Motion. Homework- find BC- if you didn't copy down the image, click for powerpoint slide.
Find the distance the moon falls in one day from the given information, see powerpoint above.
Complete the project to find the orbit radius of Mars from sighting information (opposition and other angles) from Kepler's data. The physics behind the phases of the moon is discussed.
1/7 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. Begin Orbiting Satellites and Gravity Virtual Lab. 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. Complete parts 1, 2, and 3.
1/9 . Use Kepler's Laws (powerpoint) to complete Kepler's Laws of Planetary Motion worksheet during the first period of the block. Students will apply Newton's Law of Universal Gravitation Force (equation) to find the fgrav between any two masses. Did you know that the person next to you is attracted to you? (well it may be quite small- how's 0.2 microNewtons) Complete finding fgrav worksheet. Begin and try to complete (whatever is not done in class is HW) Problem 7l worksheet and Orbiting Satellites and Gravity Virtual Lab parts 1, 2, and 3 for Tuesday 1/9 and webassign Gravity-H 1st attempt due Monday 11PM.
1/10 Link between orbiting objects and fgrav will be determined mathematically. HW- due Wed.: complete Kepler's Laws Review and part 4 of virtual lab.
1/14 Determining the orbit of Mars through the location angle of Mars and opposition of Mars during different dates/years. Complete Mars Lab using the data and your illustration of the elliptical orbit to find the major and minor axis and eccentricity of Mars' orbit. Lab due 1/16 .
1/16 Continue working on Mars Lab, apply Keplers Laws and Newton's laws of motion and universal gravity to determine the orbiting velocity as a general equation of any orbiting body (assuming a circular orbit). Confirm that Kepler's Laws are predicted by all of Newton's theories and apply equations to variety of situations. WebAssign due 1/15 and labs due 1/16.
1/17 Review Universal Gravity and Keplers Laws and begin review for midterm. Students work in pairs to confirm understanding of webassign with teacher assistance for individual questions. Students also have a chance to collect materials from the first semester to organize topics of study to prepare for the midterm.
1/23 Test on Universal Gravity and Kepler's Laws. Assessment- indvidual test on these topics to demonstrate conceptual and mathematical comprehension.
1/24 Review for Exam. Concept Inventory checklist. Work in pairs on list and webassign as teacher circulates for individual help.
1/31 Midterm Exam. 7:30-9:45 exam period in room 76. Electric Fields- Demos with ebony rod/fur . Students explain and witness the effects of small and large charge on hair, pie tins, pith balls, paper bits, ribbon, class as a linked chain and effects of electrical discharge. WebAssign on Electrostratics to assess understanding of Coulomb's Law
2/4 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.
2/6 Electric Fields- Students examine the meaning of electric field lines around a point charge and combination of charges. Electric Field PowerPoint with description of electric fields by definition, numerically, and with field lines. Do Andes Coul 1A, 1C, 2A, 2B, and C. If you need help with andes, watch the video of a solved solution.
2/7 Electric Fields- Students will calculate the field around multiple point charges and the force and acceleration of charged particles in the presence of a field. Review webassign questions in small groups and as a class- continue webassign for assessment of understanding.
2/9 Lightening! High Voltage source to produce large bolts of "lightening"- students create observations and then attempt to explain these observations. More demos to show field inside a charged 3-d conductor is ZERO. Lightening video (Nova) to understand current research and safety awareness of this phenomenon. Assessment - 2nd webassign and check of first one. Due Date of #2 is 2/13, and test on 2/21.
2/20 Magnetism- properties and the link between moving charge and magnetic fields. First right hand rule is described and applied to variety of situations. Domain nature of matter is discussed. Activity- determining the magnetic field around a current carrying wire. Read 19.1-19.3
2/21 E'stat Test. First right hand rule is described and applied to variety of situations. Domain nature of matter is discussed. Activity- determining the magnetic field around a current carrying wire. Read 19.1-19.3 in book. Complete the Exploring Magnetism handout for Friday in LAB JOURNALS. Links can be found at top of this webpage. Magnetism- Creating electromagnets with solenoids (wires wrapped in a loop). Investigation of the strength of the magnetic field of electromagnet activities. POWERPOINT on MAGNETISM PART 1 started.
2/25 Earths Magnetic Field- how does this field affect human existence and what changes have historically taken and are currently taking place? Magnetic Storm Video (by NOVA). Students see how magnetic field is measured and the evidence that supports theories explaining the shifiting of the Earth's magnetic field.
2/27 3rd Right Hand Rule- The deflection force on a moving force in a magnetic field, solving for direction and magnitude of the force. Demonstration: Cathode Ray Tube- justify direction of deflection. Sample problems to determine force shown- assessment complete worksheet and WebAssign based on these concepts.
2/28 Read-In, sophomores who misses 2/27 get that lesson.
3/03 Calculating the deflection force of a moving charge in a magnetic field. Sample probelms of the deflecting force. Applications of magnetic field/moving charge interactions. Students solve problems combining these concepts with older ideas (ie. circular motion) to see how a moving charge can be trapped by a magnetic field. WebAssign questions are discussed in small groups and indivdual needs are addressed. Complete WebAssign to show mastery of concepts.
3/05 E/M apparatus- viewing the electron path in a uniform magnetic field- explain these observations. Fluorescent bulb- hold magent to glowing tube and explain these ovservations. Grape Lab- students determine the magnetic properties of grapes using neodymium magnets. Lab write up includes the following: how did you determine the poles of permanent magnets? what happened to the grapes for different orientations of the magnets when places near the grapes? what conclusion(s) can be drawn about the type of magnetism grapes display? Lab Journal due Monday 3/10, test on Magnetic Fields and Properties on 3/10..
3/6 Review Magnetism- use WebAssign problems to lead discussion, small group work and individualized instruction on concepts that are unclear.
3/10 Test on Magnetism. Students demonstrate understanding of relationship of moving charges and magnetism, forces and fields that arise from the interaction of charges in magnetic fields. Conceptual and mathematical problems are given to determine magnitude and direction of these fields and forces.
3/12 Power Lab. Intro to work. Students run/walk up steps to determine their own power and compare to classmates. Analysis and conclusions written in lab report- due 3/16.
3/13 Determining work from force/displacemnt situations with constant force and varying force (graphically from F vs. d plot). Free body diagrams are used to find the work done to an object by friction, gravity, applied, normal forces both along axis directions and at angles. Equation of W=Fdcosø is analyzed to show conceptual meaning. Problem sheet is given and students complete sheet individually and check in small groups.
3/17 Work and Energy Lab- Students use vernier force/motion probes to determine the amount of work done to and energy gained by an object that is llifted, rolled, and stretched a spring. Graphical interpretations of the force vs displacement and the work done are analyzed. Equations for the different types of energy gained are formed and the accuracy/precision of the lab in context of conservation of energy is discussed in report.
3/19 Continuation of Work and Energy Lab. Lab write-up to be completed for 3/27.
3/20 Applications of the conservation of energy. Demonstration of various situations which include transfer of energy from some type of potential (gravitational, elastic, chemical) to another or kinetic energy. WebAssign and Andes to assess understanding due 3/28.
3/24 Roller coaster simulation lab. Students apply conservation of energy (specifically mechanical energy) to determine the speeds and forces and different points in a roller coaster. Computer applets from variety of websites allows for numerical evaluation/analysis. Does mass matter worksheet completed individually to determine the speeds of riders of different masses on the same hills. Report of conclusions due 3/28. Work on Andes in class to check student success of new program.
3/26 Circular Loops in roller coasters. General approach to determine the minimum height of a roller coaster to make it to the top of a circular loop and what the normal forces would be at both the top and bottom of the loop given this height. Discussion of potential problems with circular loops and the modifications that engineers/designers need to make to insure a safe looping roller coaster. Student assist teacher in all derivations from basic principles of conservation of energy and free body diagrams to determine forces. Demonstration of marble on circular looping track evaluated for to test results.
3/27 Quiz on Conservation of Energy (mechanical energy). Derive universal potnetial energy - the pe of an object as it is influenced due to a changing force of gravity as u=-gm/r. Graphical intepretation of the signficance of a u vs d graph. WebAssign on Grav pot energy due 4/13.
4/2 Finding the launch velocity of an object. Relate u to ke as the potential energy changes from the surface of a planet to some location away from the planet. Students solve for initial velocity for final distance of 2r, 10r, 100r and infinitely far away. Continue WebAssign.
4/3 Students work individually and in pairs on WebAssign and ANDES to show mastery of concepts. Teacher monitors and engages students to confirm understanding and ask further questions.
4/7 Introduce Electrical Potential Energy- draw similarities from u (PE) to electical PE. Define key terms- EPE, power, voltage to relate these ideas to mass and gravitiational pe.
4/9 Electric Fields and energy- significance of direction of field and variable force on the EPE and voltage of a charged particle moved from one location to another. Several examples are analyzed and the voltage difference is calculated to show the path independence. WebAssign due 4/24.
4/10 An alternative perspective- Equipotential lines. Students create equipotential graphs of an area with a varietly of hills and values and signify the meaning of contour lines in terms of grav. pe, the direction of force, and the relationship of field lines with contour lines. Students then see similarity with electric equipotentail lines and use these concepts to determine the meaning of different graphs. Check of understanding through the class and indiviudal answers of worksheet.
4/14 Review energy and work using ANDES and webassign to confirm students understanding of mechanical, electrical energy and the relationship to heat generated in different situations. Results of WebAssign and ANDES measures mastery.
4/16 Ohm's Law Lab- Students measure current and voltage in a simple circuit with one voltage source and one resistor. V vs I graphs are created for each to determine the relationship between these two quantities and resistance is determined empirically from these graphs. Students compare experimental values with given values to check if acceptable within the tolerance of the resistors. Lab report due 5/1.
4/17 Complete WebAssign questions regarding energy and work concepts for electrical potential energy. Individual assessment: Energy and Work test.
4/28 Series and Parallel Circuits- Applying Ohm's Law to develop the rules for current, voltage and resistance in both series and parallel. Demo- qualitative observations of light bulbs wired in series vs. parallel circuits. Lab Activity- create both types of circuits with known resistors, measure the voltage dropped across each resistor and calculate current through. Students draw conclusions regarding general rules for the different types of circuits.
5/1 Compound circuits. Students apply rules for V, I, and Req for series and parallel circuits with Do-Now CDPP 35-1. Lecture to solve compound circuits for equivalent resistance and working backwards to find current through and voltage dropped across each resistor
5/5 Practice solving for simple and compound circuits. Use electrical circuit simulator (PhET simulation) to build and check a circuit for voltage dropped over a variety of resistors and current passing through different branches. Joy Wagon review sheet completed for hw and checked in class.
5/7 Students build compound circuits and measure current and voltage with multimeters. Comparison with theoretical values is done and discussion of internal resistance to help explain the discrepancy. Students write observations and conclusions in lab journals.
5/8 Exam on circuits- students have written exam as well as project based assessment to verify that they can measure voltage and current in a compound circuit.
5/12 Intro to Momentum- definitions, examples and sample problems provided using physicsclassroom.com as an outline for the chapter. Students complete guide sheet as they complete online unit. Check for understanding questions sprinkled throughout the worksheet. Begin Webassign and ANDES problems.
5/14Exploding carts lab. Students empirically show that linear momentum is conserved before and after an "explosion". Students derive this law from Newton's 2nd and 3'rd laws to show that this is generally (always) true, regardless of the type of event. Students complete lab analysis and webassign.
5/15 Elastic vs. Inelastic collsions. Show importance and relevance of kinetic energy remaining as such in collisions which are perfectly elastic and examples. Relative velocity relationship discussed. Teacher demonstrates usefulness of this statement in solving problems. Students complete class problems provided to check for understanding and complete webassign on collisions.
5/19 Collision lab. Roll larger marble into a marble with less mass. By measuring the distance that these marbles travel (using projectile motion concept), students will determine the velocity of the marble after the collision, and calculate the velocity of the initial marble just before collision. Based on results, students will determine whether the collision is elastic or not. Repeat process with a marble rolling into (and sticking inside) a wooden ball. Lab report analysis due 5/28.
5/21 Prepare meausring apparatus for Great Adventure trip. Students build their own force sensors and accelerometers (for vertical and hoizontal motion). Groups discuss what topics they want to research at the park, what measurements are going to need to be made, and how they are going to be taken and recorded.
5/22 Trip to Great Adventure/ complete analysis of physics concepts on display at the park
5/28 Applications of elastic collisions. General statements which can be made for all elastic collisions of mass A hitting mass B when A=B, A<B, A>B (observed using air-track). Slingshot effect (reference Apollo 13) discussed. Sudents complete webassign
5/30 Quiz on conservation of momentum. WebAssign for final exam review part 1 posted. Students work on assignment in class in groups of two and individually
6/2 Momentum and Impulse. Students start with Newton's 2nd law and derive the change of impulse (or Ft) equals the change in momemntum ls the change in momemntum (delta p). Examples of small force acting for longer time periods (same change of momentum)- car safety features provided. Examples of extending time with same force for a larger impulse- (follow-though in sports) provided and calculation examples demonstrated. Webassign and ANDES on Impulse and Momentum assigned.
6/4 Momentum and Impulse- webassign issues discussed (notabley change in DIRECTION of speed) and students finsih assignments in class. Assessment of understanding of impulse/momentum perfromed (quiz).
6/5 Intro to EM waves-discussion of wave nature of light and the em spectrum. Relationships between speed of light, wavelength and frequency derived and problems solved for varaibles. Energy and frequency relationship (E=hf) shown with applications across the EM spectrum. WebAssgin posted.
6/9 Energy-EM waves. Using spectrometers to see the frequency of light emitted by excitation of known gases. Lab activity- determining the composition of a unwknown gas to compare spectral lines with known samples. Students understant jumps in energy level to be a result of inelastic collisions. Momentum and energy analysis are demonstrated for a collision which will yield a phoston of light. WebAssgin due.
6/10 Einsteing's big equation. Mass is conserved? Energy is conserved? Looking at these statements in more detail show that neither is really accurate. But E=mc(^2) completes the picture. Solving for the energy-mass equivalence in nuclear processes. Begin worksheet and webassign. Final exam review- old tests starting with work-energy through magnestism
6/11 Class discussion of applications of E=mc^2 . Review problems and complete worksheet and webassign individual and in pairs. Final exam review momentum through end of year. Examples of problems that use many principles from the semester (ballistic pendulum- general case).
6/12 Final Exam Review- webassign parts 1 and 2 discussed and extended.
6/16 Final Exam Review continues and exam period begins.