Email: wchan@philasd.org
Office Hours: Wednesday and Thursday 3:05pm-4:30pm, or by appointment

Tuesday, May 31, 2011

Tuesday May 31st

Objective: Continue reviewing for the Unit 7 Test tomorrow

Class Work:
We reviewed questions 11-26 on your Unit 7 Study Guide. Follow along via the power point below:


Remember to write ALL your answers on a SEPARATE piece of paper in order to receive homework credit on the Study Guide.

Homework:
Read over your Study Guide at least twice! Your Study Guide is due tomorrow.

Friday May 26th

Objective: Achieve 3000.

Today's article: Can Scientists Help the Blind See?

Homework: 
Work on your Unit 7 Study Guide.
It is due on the day of the test (Wednesday 6/1).

Wednesday May 25th

Objective: Begin review for the Unit 7 Test next Wednesday (6/1)

Follow along with the power point below:


Class Work:
The stations are typed up here: Stations Problems. You must complete all 10 stations. Turn in the assignment when you come back to class.

Homework:
None.

Wednesday, May 25, 2011

Tuesday 5/24

Objectives: (1) Describe how we see color (2) Explain how concave/convex lenses/mirrors work

Do Now:
1. What is one of the objectives of today's class?
2. Name an object that is opaque.
3. If you increase the amplitude of a light wave, what happens to the light?
4. If you increase the amplitude of a sound wave, what happens to the sound?

Announcements:
Your UNIT 7 TEST WILL BE ON WEDNESDAY of next week.

Class work:
We watched 2 episodes from Bill Nye and filled out this worksheet: Bill Nye on Light Worksheet.
You can access the 2 episodes with these links:
Bill Nye: Light Optics
Bill Nye: Light and Color

Homework:
Crossword puzzle. See Monday 5/23's post. Due Wednesday 5/25.

Monday, May 23, 2011

Monday 5/23

Objectives: (1) Identify the difference between mirrors and lenses. (2) Explain the effects of concave and convex mirrors/lenses

We took 2 slides of notes today:



Homework:
No homework packet this week. Instead, you are to complete a 2 page worksheet that is due on WEDNESDAY 5/25.

Page 1: Cross word puzzle. Link to it: http://www.armoredpenguin.com/crossword/Data/2011.05/2302/23024522.674.pdf

Page 2: Lenses Review

Friday May 20th

ACHIEVE 3000

Today's article: The Brighter Side of Red

Thursday, May 19, 2011

Thursday May 19th

Objective: (1) Define refraction (2) Explain how concave and convex lens work

We took 5 slides of notes and did 1 class work assignment today. Follow the power point below:


Homework:
Finish HW Packet 12! It's due tomorrow.

Wednesday, May 18, 2011

Wednesday May 18th

Objectives: (1) Understand how mirrors work (2) Explain why objects are colored

Do Now:
1. What is the objective of today's class?
2. A lemon is yellow. Which colors are being reflected? Which colors are being absorbed?
3. Draw a concave mirror.

Reminder:
We took a waves quiz last Tuesday. If you didn't take it, you have until FRIDAY MAY 20TH to make it up.

Class Work:
We did a lab in class today: "Exploring Light and Color Lab".
If you were absent, you need to come back after school to make up the lab.

Homework:
Wednesday's problems on HW Packet 12- Light Waves.

Tuesday May 17th

NO SCHOOL!

Homework:
Tuesday's problems on HW Packet 12- Light Waves.

Monday, May 16, 2011

Monday May 16th

Objectives: (1) Define reflection (2) Explain the effects of convex and concave mirrors (3) Explain why objects appear colored

We took 9 slides of notes today. Follow along below:


Homework:
Monday's problems on HW Packet 12-- Light Waves

Sunday, May 15, 2011

Thursday May 12th

Objective: Know the different types of light

Do Now:
1. What is the objective of today's class?
2. Which light wave has the MOST energy?
3. Which light wave has the LEAST energy?
4. Can humans see UV light waves?

Reminders:
HW Packet 11 was due TODAY in class.
I will be absent from school on Friday May 13th.

Class Work:
We finished the Electromagnetic Spectrum Poster in class. See Wed May 11th's posting for directions, or see me after school when you return to class.

Homework:
None!

Wednesday, May 11, 2011

Wednesday May 11th

Objective: Know the different types of light

Follow the powerpoint presentation below. We took notes today in class:


Class work:
Electromagnetic Spectrum Poster. It will end up looking something like the picture found on this website: Electromagnetic Spectrum Poster
You are making your own poster (5 pts). We will finish it tomorrow. I will grade it, return it to you on Monday and then you will staple it into your notebook.

Homework:
Finish HW Packet 11.

HW PACKET 11 IS DUE ON THURSDAY THIS WEEK!

Tuesday, May 10, 2011

Tuesday May 10th

Objectives: (1) Explain why sound travels faster through solids and liquids (2) Take the Waves Open-Notes quiz

We had 1 slide of notes today. Follow below:


We also took an open-note quiz on waves. If you were absent from school today, you have until Friday of NEXT week to make it up. Stop by during the following times:
- before school
- during advisory
- during 3rd, 4th or 7th periods (with a note from your teacher)

Homework:
Tuesday's problems on HW Packet 11.

HW PACKET 11 IS DUE ON THURSDAY THIS WEEK!

Monday, May 9, 2011

Monday May 9th

Objective: Explain how the speed of sound is affected by the medium in which it travels

Do Now:
1. What is the objective of today's class?
2. The speed of a wave depends on what 2 things?
3. State the 3 components of sound.
4. The frequency of a sound wave affects which component of sound?

Announcements:
OPEN-NOTE QUIZ TOMORROW during the last 20 minutes of class.

Class Work:
Lab: Speed of Sound Lab (5 pts).

Homework:
Monday's problems on HW Packet 11- Sound and Light.

HW PACKET 11 IS DUE ON THURSDAY THIS WEEK!!!

Friday May 6th

Objective: (1) Finish the Doppler Effect Poster (2) Achieve 3000

Do Now:
1. What is the objective of today's class?
2. What is wave interference?
3. What causes wave reflection?

Announcements:
Open-note quiz next week! 10 questions, 15-20 minutes.

Class Work:
Part 1: Finish your Doppler Effect Poster. We started it yesterday in class.
Part 2: Once complete, do this week's article on Achieve 3000, titled: "This Doesn't Happen Everyday".

Homework:
None! Have a great weekend!

Thursday May 5th

Objective: Review wave interactions and the Doppler Effect

Do Now:
1. What is the objective of today's class?
2. What causes waves to diffract?
3. Draw a standing wave with 3 total nodes and 4 total anti-nodes.

Class Work:
Part 1: Based off your notes, fill out this Waves Review Sheet. Staple it into your notebook when complete. If you need help, come see me after school.
Part 2: Make a Doppler Effect Poster. On your poster, (1) state the doppler effect (2) explain WHY it happens (3) draw a picture showing the effect

Homework: 
Thursday's problems on HW Packet 10

Wednesday, May 4, 2011

Wednesday May 4th

Objective: (1) Explain how waves interact (2) Define standing wave

We took 5 slides of notes today. Follow along below:



***CORRECTION:
NODE: "ZERO" POINTS on a standing wave
ANTI-NODE: HIGH AND LOW POINTS on a standing wave

Homework:
Wednesday's questions on HW Packet 10- Sound Waves.

Tuesday, May 3, 2011

Tuesday May 3rd

Objective: Describe how waves interact with each other

Follow the presentation below. We took 6 slides of notes today:



Homework:
Tuesday's problems on HW Packet 10- Sound Waves.

Monday, May 2, 2011

Monday May 2nd

Objective: Benchmark 3

Do Now:
1. What is the objective of today's class?
2. Define oscillate.
3. If you increase the PITCH of a sound, the wave frequency _________, while the wavelength ________.
4. The pitch of sound waves depend on ______, while loudness of sound waves depend on ______.

Today we took Benchmark 3. It counted as a class work assignment. Students who showed up, were quiet the entire class period earned 5 class work points. Students who were talking, laughing or whispering did not receive those points.

Homework:
Monday's problems on HW Packet 10- Sound Waves.