Wednesday, September 5, 2012
Making a UT QUEST Homework Account
Please go to this link
and start an online homework account. Click on "get started" and then
choose "I need a UT EID". In the next window choose "get a UT EID".
After you submit your information it will send your ID code to your
email account. With this code you will will sign in to my class and
start the first assignment. You may proceed to sign in now or bring
your EID code and password on Wednesday. On Friday we will log in as a
class, I will start accepting your enrollment and we will start the
first assignment.
This is how to sign in:
Return to the link above and log in.
You will then need to select a class based on a unique number. For Physics the unique number depends on your period. For per 2: 2232, for per 3: 2233, for per 4: 2234. Enter the number 223... and then select look up course info. Scroll down by clicking the arrow on the window that appears through the many other classes designated with that unique number until you find Physics (Grant High school 2012 Fall). It will probably be one of the last ones. Select it and then select request enrollment.
I will have to admit you into the class. The next time you log in, after I admit you, you will be able to use the "select course" and "select assignent" windows to start the Kinematics homework.
This is how to sign in:
Return to the link above and log in.
You will then need to select a class based on a unique number. For Physics the unique number depends on your period. For per 2: 2232, for per 3: 2233, for per 4: 2234. Enter the number 223... and then select look up course info. Scroll down by clicking the arrow on the window that appears through the many other classes designated with that unique number until you find Physics (Grant High school 2012 Fall). It will probably be one of the last ones. Select it and then select request enrollment.
I will have to admit you into the class. The next time you log in, after I admit you, you will be able to use the "select course" and "select assignent" windows to start the Kinematics homework.
Unit 1: Kinematics in 1 Dimension
Goals:
1. Know and apply the definition for average velocity.
2. Know and apply the definition for average acceleration.
3. Differentiate instantaneous and average velocity.
4. Interpret graphs of position, velocity and acceleration, including through the use of slopes and the area under the graph.
5. Draw position, velocity and acceleration graphs for described motion.
6. Know the acceleration due to gravity.
7. Solve problems by using 5 basic mechanics equations.
8. Properly use sign conventions for positive and negative acceleration and velocity.
9. Describe sources of error as either random or systematic and suggest basic ways of reducing error such as controlling variables, doing multiple trials, collecting data over a wide range and using big sample sizes.
1. Know and apply the definition for average velocity.
2. Know and apply the definition for average acceleration.
3. Differentiate instantaneous and average velocity.
4. Interpret graphs of position, velocity and acceleration, including through the use of slopes and the area under the graph.
5. Draw position, velocity and acceleration graphs for described motion.
6. Know the acceleration due to gravity.
7. Solve problems by using 5 basic mechanics equations.
8. Properly use sign conventions for positive and negative acceleration and velocity.
9. Describe sources of error as either random or systematic and suggest basic ways of reducing error such as controlling variables, doing multiple trials, collecting data over a wide range and using big sample sizes.
Homework: Due Date
Letter to Teacher Thurs, 9/6
Lab 1 data presentation Wed, 9/12
Lab 1 report Tues , 9/18
First Quest hmwk assignment Mon. 9/24
Unit Test Thurs. 9/27
Welcome to Physics
The 2012-2013 school year has started. Welcome to Physics.
Here is some general information about how the class runs.
Grades:
Approximately 50% Tests, 30% Labs, 20% homework
Tests: About twice a quarter, with semester finals also. Retakes are available, but only half the missed points are recoverable.
Labs: Although we’ll have weekly hands-on lab assignments, I’ll only have you write up formal lab reports about twice a quarter. (The first one will be due Sept. 18.) Late labs are penalized at 10% a week.
Homework: Most homework will be submitted online through the web site https://quest.cns.utexas.edu/ It will be graded for accuracy, but on a generous scale because I recognize that homework is practice and created to find mistakes. Students who have difficulty getting internet access should talk with me. Accommodations will be found. No late homework accepted except for excused absences.
Grading Scale: 100-90 A, 90-80 B, 80-70 C, 70-60 D, 0-60 F.
Supplies:
Textbook
Notebook, or section of a notebook
Calculator
I hope you find the class challenging and fun.
Ethan Medley
Here is some general information about how the class runs.
Grades:
Approximately 50% Tests, 30% Labs, 20% homework
Tests: About twice a quarter, with semester finals also. Retakes are available, but only half the missed points are recoverable.
Labs: Although we’ll have weekly hands-on lab assignments, I’ll only have you write up formal lab reports about twice a quarter. (The first one will be due Sept. 18.) Late labs are penalized at 10% a week.
Homework: Most homework will be submitted online through the web site https://quest.cns.utexas.edu/ It will be graded for accuracy, but on a generous scale because I recognize that homework is practice and created to find mistakes. Students who have difficulty getting internet access should talk with me. Accommodations will be found. No late homework accepted except for excused absences.
Grading Scale: 100-90 A, 90-80 B, 80-70 C, 70-60 D, 0-60 F.
Supplies:
Textbook
Notebook, or section of a notebook
Calculator
I hope you find the class challenging and fun.
Ethan Medley
Friday, June 8, 2012
Wednesday, June 6, 2012
Second Semester Goals
Current Electricity (Ch. 22-23)
1. Know meanings of potential difference (voltage), current, resistance, power. Be able to use appropriate relationships between them with correct abbreviations and units.
2. Properly use the terms series, parallel and circuit.
3. Draw and decipher circuit diagrams.
4. Determine current, resistance, potential difference and power output for any part of a circuit, including simple circuits, series circuits, parallel circuits and complex circuits with both series and parallel elements.
5. Describe what affects an object’s resistance and categorize resistors as ohmic or nonohmic
6. Interpret graphs about resistance: I vs. V and V vs. R.
7. Know how to include ammeters and voltmeters in a circuit and what this says about their resistances.
8. Describe the structure of a capacitor.
9. Describe how houses are wired and the role of circuit breakers.
10. Determine loss of energy to heat in wires and describe how it can be reduced.
11. Trace the conducting path through light bulbs.
12. Describe the production of electrical energy in batteries and the role of internal resistance.
13. Use the pressure metaphor for voltage and interpret color-coded voltage diagrams.
Magnetism (Ch. 24,25)
1. Explain the arrangements responsible for permanent magnets.
2. Describe what affects the strength of magnetic forces and an electromagnet’s field.
3. Describe the shape of magnetic fields around permanent magnets and charge carrying wires.
4. Describe the causes and beneficial effects of the Earth’s magnetic field.
5. Predict the direction of magnetic forces and induced currents.
6. Describe how magnetic forces are applied in electric motors and generators.
7. Determine currents and voltages produced by transformers.
Sound and Waves (Ch. 14,15)
1. Explain what a wave is.
2. Differentiate between longitudinal and transverse waves
3. Correctly use the vocabulary: medium, pulse, crest, trough, compression, and rarefaction.
4. Define and apply the following wave characteristics: period, frequency, velocity, wavelength, amplitude, and energy.
5. Apply the following relationships: T=1/f and v =f*wavelength.
6. Explain how standing waves are produced and correctly use the terms nodes and antinodes.
7. Explain the following wave behaviors, interference, beats, resonance, doppler effect and sonic booms.
Light (Ch. 16-19)
1. What is light?
a) Be able to describe strengths and weaknesses of the two models of light.
b) Be able to give effective examples showing the strengths of each model.
2. How light behaves
a) Colors.
i) What are primary, secondary and complementary colors.
ii) How are colors produced by dispersion, addition and subtraction of light.
b) Reflection
i) What is the law of reflection.
ii) Be able to locate images and make ray diagrams for reflection.
c) Refraction
i) What is it?
ii) What is Snell’s Law
iii) How did we determine a law for refraction?
iv) Be able to solve problems and draw ray diagrams.
d) Lenses
i) Be able to draw ray diagrams for converging and diverging lenses.
ii) Identify images as real or virtual.
Thursday, May 17, 2012
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