A Lesson Plan to Share

I have to set aside for a while blogging about measuring soap’s quality. I need to prepare myself for a big event in our division. I will be one of the participants of the microlesson contest in our division. I'm also excited to share on the net the Lesson Plan I made for this contest. Perhaps this could help teachers or practice teachers handling chemistry.

A Microlesson Presented to the Iligan City Division
Prepared by Annallee Q. Aron
Iligan City National High School

Title: Boyle's Law
Time Frame: 1 hour
Objective: Students will be able to derive from the given data the relationship between volume and pressure of a confined gas at constant temperature.
Subject Matter

A. Lesson Title: Boyle's Law

B. Materials: 15 computers (MS PowerPoint, Excel, Hot Potato Program installed)
LCD
USB port and Flash Drive

15 speakers

C. References: Refer to the MS-PPT.

III. Learning Activities:

A. Assessing Prior Knowledge (10 mins):
Picture Analysis entitled “What is Wrong with these Gases?”

B. Motivation: Students will be allowed to navigate the self-guided and rich interactive software material for them to be motivated in the entire class duration.

Click this to download MS. ppt.:

C. Values Integration: Team Work

D. Application: Health Risk Involved from Eating Food with Low Density Lipoprotein (LDL) resulting into hypertension.

C. Lesson/Activity Proper:

1. Group students into 15 with 3-4 members each.

2. Allow them to select a role to play for each member:
Mathematician
- Who is concern with any mathematical operation or concepts involve
Medical Doctor
- Who is concern any health risks involve.
Nutritionist
- Who is concern with health issues
Tech-expert

- who is mindful of technology.
- He/She encourages the equal opportunity of computer usage among members.
- reflects on the experiences of each member and other groups while navigating the software.
Note: For a group that has 3 members it is up for them to decide who will play 2 roles.

3. Generalization: The volume of a fixed mass of a gas is inversely proportional to the pressure at constant temperature.
V ∝ 1/P
V= k X 1/P k= PV
Intial Condition: k= P1V1
Final Condition: k = P2V2 so P1V1= k = P2V2

IV. Assessment: Do the Hot Potato Quiz (5 mins.) Questions are written below:

1. In which of the following cases will the pressure of a gas in a closed system increase?
A. Volume changes form 250 mL to 500 mL
B. Volume changes from 250 mL to 100 mL
C. Volume is constant

D. All of the above

2. What is the relationship between pressure and volume based from this experimental data?
A. Proportional
B. Inversely proportional
C. Equal related
D. No relation

3. What happens to the pressure of a gas when volume increases?
A. increases B. decreases C. remains the same D. fluctuates

Assignment: Student will analyze the figure A. They will also solve for the unknown and make their own animation using MS PowerPoint to show the change in the conditions.

Figure A:

Initial Condition:

P1= 2 atm
V1= 4.5 mL

Figure B:

Final Condition:

Px= 1atm

Vx= ?