4E4 and 4E5

4E4 and 4E5,

prepare for a pop quiz on Redox. Study the assignment that we have gone through in class.

Venue for 3E3 Fri (25 Jan) lesson

3E3,

for this Friday's lesson (25 Jan), wait in two neat rows outside Chem Lab 1.

Bring along pencil case and calculator.

Sec 4 Pop Quiz on Fri 18 Jan

4E4 and 4E5,


pop quiz on Fri 18 Jan. Study Qn 12 and 13 of the Revision Test.

Reminder: venue for this fri lesson is at the Science Homeroom.

WB Qn 5 (c) (i) and (ii) answers

3A1

 

below are the answers for WB Qn 5 (c) (i) and (ii).

 

 

 

 

 

 

Venue for Sec 4 lessons

4E4,

for Chem lessons starting from 22 Jan, go to Science homeroom for Tue and Wed lessons. For Fri lessons, remain in Bio Lab 2.


4E5,

for Chem lessons starting from 22 Jan, go to Science homeroom for all your lessons till end of Feb.

Chemical Warfare

3E3

Read up on the links below.

1) Science Clarified

2) Basics of Chemical Weaponry

3) Hydrogen Cyanide

4) Make Hydrogen Cyanide?


Summarize the information you have read and present it in a table format.

Use Arial font, size 12.

The table should take up only ONE A4 page.

Chemical Name	Hydrogen Cyanide
Chemical Formula
How to make it
Harmful effects

Print it out and bring it to class on Thu 17 Jan.

Skittles and Smarties

3E3,


Bring skittles OR smarties for lesson on Tue 15 Jan.

2 students can share 1 packet of skittles OR 1 tube of smarties.

You only need to bring either one, do not need to bring both.

As well as 2 balls of blu-tack (diameter 50-cent coin each).


3A2,


Bring skittles OR smarties for lesson on Wed 16 Jan.

2 students can share 1 packet of skittles OR 1 tube of smarties.

You only need to bring either one, do not need to bring both.

As well as 2 balls of blu-tack (diameter 50-cent coin each).

Good animation of KPT

Click on the link below. In the left-hand column, click on "Structure of matter"
Read and follow the instructions

KPT animation
http://preparatorychemistry.com/Bishop_KMT_frames.htm

After you have viewed the animation, answer this question below by posting in the comments section

Question:
Imagine you are one particle of a carbon dioxide gas in a can of gassy drink. When the can is opened, why is there a loud sound? What happened to you, as a gas particle?

Venue for 3A1 & 3A2 lesson on Wed 9 Jan

Go to the Chemistry lab for lesson. Wait outside in two neat rows. Bring along your Chemistry file and textbook. Punch hole and file your notes into the Chem file by lesson time.

TTX

Everybody, remember to bring your ODT on Mon for (TTX) temperature taking exercise. 

Chemistry marking symbols

When your assignments are marked, sometimes you may not understand why your answer is not marked correct. These are some marking symbols that teachers used to help you zoom in on where u went wrong.

Chemistry Marking Symbols



S/N	Symbol	Meaning
1	x	wrong facts
2	…	to elaborate further
3	^	missing words / incomplete
4	Gd!	Good answer
5	ü	Acceptable (but can be improved)
6	mis	misconception
7	sp	spelling
8		see me
9	\	blank
10		wrong phrase
11	wt	wrong term
12	s	missing statement for chemical calculation
13	N	N = number of marks awarded
14	ecf	error carry forward
15	u	wrong / missing unit
16	care –	careless!

Venue for 8 Jan lesson

3A1 / 3A2

Stay in class for the lesson on 8 Jan

Lesson materials

To 3A1

Prepare the following materials for the next lesson on Tuesday 08/01/2013

Blue plastic file
Textbook
Workbook