wednesday, june 15th

sorry for the late scribe guys! for class we just did review and handed in our worksheet 'the contributers in determing the speed of light. dont forget that our exam is tomorrow morning, june 17th at 9:00 and also just a reminder dont forget to bring your exam slips. if you didnt get your exam slips yet, please see ms. k :) good luck everyone and study hard!

June 14 2011

At the beginning of class we corrected questions in The Nature of Light: Part 2 Green Booklet. If you weren't able to get the answers then see Ms. Kozoriz or anyone else in the class. After that, Ms. Kozoriz handed out our exam slips for FRIDAY, JUNE 17 @ 9AM (remember our exam is only for 2 hours).. For the exam, you'll need a ruler, protractor, calculator, a pencil/eraser and BRAINCELLS :). If you didn't get your exam slip then see Ms. Kozoriz ASAP. For the rest of the class, we did our reviews and/or our research on the scientists.

PAR will scribe next ..... dont forget to study for the exam!! :D

Corpuscular Theory, Wave Theory & Determining the Speed of Light

Today we started off the class by correcting the problems in 'The Nature of Light: Part 2 The Wave and Particle Models of Light' booklet that we were assigned the day before. You can find the answers directly from the salmon book from pages 3 through 18, or ask a friend!

Next, we were given two worksheets "Appendix 2.4: Chart for Evaluating the Models of Light" one of which was yellow and the other pink. The yellow sheet should have the model as "Corpuscular Theory" or "Particle Theory" if you do not like using the word corpuscular and the pink sheet should have the model as "Wave Theory." We went through the supporting arguments and counter-arguments for each phenomena for the Corpuscular Theory, which you can also find the answers within the salmon book. We were then given 15 minutes to finish the pink sheet and find the supporting arguments and counter-arguments for each phenomena in the Wave Theory. We also corrected this. (All answers are found in the book if you read pages 3-18 the previous day!)

The next worksheet handed out was "BLM 2.10: Contributions to the Determination of the Speed of Light" which should be handed in on Tuesday, the latest. The worksheet is straight forward and you can find the answers to the boxes on pages 9 and 10.

That was all for today. Have a great weekend everyone! Don't forget to get started on your exam review..the exam is in SIX days!! Friday, June 17th 2011 at 9AM sharp!

The next scribe will be Jaksen

June 9 2011

Hello! Today we got our tests back, you can make corrections and hand
it back in to get a bonus mark. The class was used as a work period
and Ms. K assigned pages 3-18 of the pink booklet to read and
complete questions 1,3,4,9,10, 11, and 12. See everyone tomorrow!

Next scribe shall be Pink!

8 more days till the physics exam!

June 6, 2011

All we did for today’s class is answered the Review Problemzz on the Board!

Review Problem Answer Key!

1. Opposite attract likes repel

2. 2. Magnet polarizes the object & attracts the electrons of the object

3. - Temporary magnet

- Nail paperclip

- Tiny loops of current within the substance

4. Domain are no longer aligned

5. It unaligns the magnetic domain weakening the strength of the magnet
. . . . . .

6. S-----------------------N
x x x x x x

7. -Aluminum
-Cobalt
-Nickel

8. You cannot isolate them; because the magnetic domains only flow in are directions. This means the domains would remain uncharged even after breaking it in half.

9. To determine the polarity by using the second right hand rule, curl your finger around the loops in the direction of the conventional current, thumb points toward the North Pole of the magnet.

10. Thumbs à Flow of current

Finger à Magnetic field

Palm à direction of force on wire

11. South Pole, because the north of a magnet is attracted to the magnetic South

12. Magnetic declination is the given location between the magnetic North & Geographic South. Also called the angle of declination.

13. An electric Field surrounds a stationary electric charge.
A magnetic field surrounds a moving electric charges as well as an electric field.

14. B = Fb/IL
0.20/0.10*5 = 0.40T

15. F=BI

= (115min)(5.0x10^-5)

= (4.00x10^-2)

= 2.3N

16. FB = ILB

0.040 = (2.0)(0.1) B

B= -20T

17. Magnetic Field = Fb/IL

Fb=BIL = 0.900T x 8.00A x 0.500m = 3.60N

For does PPL who did not show up to Mrs. K class and don’t understand how we got this answers, talk to Mrs. K before the third Period end. Have a nice half day 2morrow. Better to review Magnetism and Electromagnetism 2morrow because Wednesday we have a test for this unit.

Friday, June 3rd/2011 Magnetism and Electromagnetism V

Yesterday in class since most of the students are missing, Ms. K went through p 35-36 with us. The rest of the period is working period. A reminder to all of us, hand in the lab next Monday.

Wednesday, June 2nd/2011 Magnetism and Electromagnetism IV

Today in class we had to finish pages 35 and 36 if we were not done them, as they were assigned yesterday. We were also supposed to do, problems 6 to 17 in our Magnetism and Electromagnetism booklet which is on page 39.

The next scribe will be whoever wants to be the next scribe.

Wednesday, June 1st/2011 Magnetism and Electromagnetism III

Today in the beginning of class we had our Electronic Fields booklet handed back to us. Proceeding that we read "Forces on Current In Magnetic Fields" which is from pages 23 to 25, actually before that we had corrected the two electromagnet assignments about the 1st and 2nd Right-Hand Rule that were handed to us on Monday. She later gave us the option to pick up a Grade 11 Physics Review workbooklet. After she then gave us the rest of the period to work on our magnetism lab.

The next scribe will be Gabe.

Monday, May 30th/2011 Magnetism and Electromagnetism

Today in class we have read pages 20-23 on Electromagnetism. We learned that an electric current can create a magnetic force that would be perpendicular to the electric current. We learned that the strength of a magnetic field is proportional to the current when the wire is straight. We learned how to find the direction of the magnetic field on a straight wire, when given the currents direction, by using the first right-hand rule. We also learned how to work with wires that are wrapped in loops (solenoid), by using the second right-hand rule. We were given
electromagnetism assignments to finish and tomorrow we will work on the physics lab worksheet we have, in class!
The next scribe will be Ahmed!

May 25, 2011

Today in class we got a new booklet called Grade 11 Physics Fields: Magnetism and Electromagnetism. We started off the book with a lab.

The lab was about drawing magnetic field lines using 2 magnets and a compass. Both arrows on the compass are magnetized to point to the North/South Poles on Earth. The 2 magnets both have a North/South end on them, and are opposite in charge. We laid the magnets horizontally from each other, both North ends of the compass facing North, and placed the compass in between them and began moving the compass to see where the arrows point to draw the field lines. Next we flipped one of the magnets so both North ends where facing each other and drew the field lines from there.

When we finished the lab, we had to read and do page 26, which was a study guide.

May 19, 2011

Sorry this is a day late, I totally forgot about this yesterday.
Not like anyone missed anything anyways since we were all in class, but in case anyone forgot, we went over pages 23 - 28 and got the answers. Then we looked at Millikan's experiment and watched a short clip of that. For homework we had to do pages 29 - 34, but we corrected it today in class.. so this is a pretty pointless scribe.. ANYWAYS

Have a good weekend guys (:

May 20, 2011

Today we just corrected page 29, 32, and 34 and everyone was here today so i was told not to put the answers up, then after we just studied for the test on tuesday! The test is on the green and ivory booklets and Ms kozoriz said all you need to know is whats in the booklets.

* Make sure you study for the test on TUESDAY MAY 23!
- The test is on the green and ivory booklets.
thats everything have a good long weekend :)

May 17, 2011

Today we got our new booklet, " Grade 11 Physics Electric Fields" and read pages 1 -10 roughly in class. And we did our first lab for this unit on page 22.
Homework:
Page 23, 24 and 25

May 11, 2011

So on wednesday we first corrected page 39 # 1-7
ANSWERS:
1. a=0.29m/s2
2. m=5kg
3. F=22222N
4. F= 144.56N
5. a=-0.53m/s2
6. w= 666.4N
7. g=9m/s2

Then we read pages 18-22 and did the questions on page 23, 27-28 and 29-30. Sorry it was late, it wouldn't let me post anything. That's everything:)

Covering Thursday, Friday & Monday. May 12/13/16

Salutations.

I apologize for the late scribe. Blogger was down on Thursday/Friday, and after that I myself had personal difficulties with the site. Nonetheless, I've finally succeeded.

Anywho, to recap Thursday which probably is of no relevance anymore to you folks, we completed the lab. It included the usage of bricks, string, different papers (different friction), and a cart. We tested the force required to pull the bricks on each type of paper, constant speeds at different velocities, rolling a cart or sliding, and while adding even more bricks. Although there's not much left to say, there were a few tiny observations I had made:

• First of all after completing all tasks, it turns out our meter used to measure the forces were completely off. I know it's too late to go back and check, but the meters we used were off by 1 or 2 Newtons, which are very critical and introduce much more error in the final results. Yes, we did everything over again.
• The relationship between the amount of bricks and force used to pull these bricks were directly proportional in our results. With that being said, as the amount of bricks placed on top were increased, force required to pull these bricks were increased. We had a result something along the lines of 5N, 10N, 15N, so on and so forth in increments of 5 Newtons.

Moving on to Friday, it was more of a catch-up day. We were assigned the questions on the following page of the lab, which included a few thinking questions and a graph. The graph was relatively easy, and I'm sure by now most of you know how to do one. The only question I can recall was the one asking when friction is used to our advantage or is simply a hindrance. Simple answers like creating fire (advantage) and moving heavy objects (disadvantage) did the trick. We were then assigned the last few questions of the booklet, and pages "5-2" and "5-3", about kinetic friction and static friction.

Finally, today. In the beginning of class we went over all of the questions assigned to us. Since we were to hand in our booklets, which I hope most of you did, I can't recall many of the questions. We went over finding the kinetic/static frictional forces, as well as relationships between the two. For the last half the class, we were to read a few pages in the green textbook and answer questions. I again did not jot those numbers down, but most if not all of us do not have a green booklet at home anyway. We will be receiving new booklets tomorrow in class. Don't fear!

Again I apologize for the late scribe, but that's all that's happened in the last 3 days of class. If I had my booklet still, I would have been able to go over more questions but those were all I could recall. I encourage you to argue with me if i'm incorrect with any of the above information.

Good Night!

May 10, 2011

So for today we corrected our homework from yesterday which was pages 32, and 34. We also did two in class assignments on page 24-25 "Free Fall on the Moon", and the other one is on page 39 "Review Problems". If you haven't finished the two in class assignments you should finish them tonight because I believe that they might be due tomorrow. :)

Homework for today:
Page 24-25 "Freefall on the Moon"
Page 39 "Review Problems"

Page 32 Answers:
1) a. 19.6m/s b. 58.8m/s
2) a.19.6m b. 176.4m
3)

4) a. 4.9m b. 19.6m c. 44.1m
5)13790N [up]
6)6.8m/s(sqaured)
7)4.7m/s(sqaured)
9)0.6m/s(sqaured)

Page 34 Answers:
a. 10
b. 6
c. 0
d. -2
e. -10
f. 0
1) most
2) a,b
3) d,e
4) still downward
5) c, f
6) c, f
7) c
8)greater

May 6 and May 9 '11

May 6 '11
Last Friday we got a lab to try and determine the force of the gravitational field strength. We had a little weight that had about 0.1 kg of mass that was attached to a string of varying length and had it swing from the same height letting it go back and for 20 times. Then we recorded the data onto the graph and answered the questions on the back. (I think this was all we did.)

May 9 '11
Today we added information to pictures on page 26 of our green booklet to describe whats happening to a weight attached to a spring scale (for the elevator worksheet). The first scale is at rest (the elevator isn't moving, moving at a constant speed), with the next scale reading more newtons on it making it have more weight (elevator just starting moving up, slowing to a stop going down), with the last scale having less newtons acting on it making it weight less (elevator slowing going up, just starting going down).

Next we went to page 32 and answered question 8. The answers being:
A) 490N
B) 490N
C) 380N
D)355N
E)490N
F)490N
You can try and use the equation m = Fg/g to figure it out.

After we read pages 16 & 17 then did the problems on page 32 & 34. We also had roughly 20 minutes to finish the lab we got on Friday.

The next scribe will be Food.

May 5th, 2011

Hi everyone, I am scribing for today.

What we did today was just finishing the lab we started yesterday. Then we checked the answers on P.8-10 in the booklet. At last, the substitute teacher assigned the homework which is read P.12-13 and finish P.14-15.

Justin would be the next person to scribe.

Kevin

May 4, 2011

Sorry guys, I'm posting this one day late.

What we did:

We read pages, 3-6 in the green booklet titled "Physics 11 Fields Gravitational Fields"

- Learned about the gravitational field, gravitational force and weight, and apparently weightlessness.

After that we did a lab on the forces involved with elevators, using a scale and a 1000g weight as an example.

That's all we did on that day, so if you missed it you can easily catch up!

April 28, 2011

At the beginning of the class, we continue reading on page 17, Sound Quality. We learned that the sounds made by the human voice and musical instruments are much more complex and sound differently even though some instruments give off the same frequency. In musical terms, the difference between the two waves is called the timbre(TAM-bər), tone colour or tone quality. We also learned that the "Middle-C" on a piano has a frequency of 261.63Hz, but on the Just Scale system, middle C has a frequency of 256, this is what we are going to use.

Diatonic Scale consists of three major triads.

Major Triad is a collection of three notes with frequency in the ration of 4:5:6. If you want to know the frequency of E or G note, you just have to use the ratio between notes (e.i. C note is 256, then the frequency of E note is (5/4)(256) which is 320Hz).

Octave consists of interval between a given musical tone and one with double or half the frequency.

We finished reading pages 17-19 and if you want to know some important definitions and summarization of the whole booklet, go to pages 22-23. Finished correcting the homeworks given to use yesterday.

I think that's all, anyways be ready for the TEST NEXT WEEK and ENJOY your long weekend!

P.S. Anyone wants to scribe for Monday, May 2nd?