Boyles Law 10

Lesson Plan Exemplar:
Inquiry-based Science Teaching Approach
Topic/Title Boyle’s Law
Grade Level and Section Grade 10
Date and Time April 8, 2024
Time Allotment 60 minutes
Prepared by Suddene Grace Gepitulan
Learning Competencies/Objectives
At the end of the lesson, the students should be able to: (S10MT-Iva-b-21 ):
1. Describe the relationship between volume and pressure at constant temperature of a gas.
2. Apply Boyle’s Law in real life scenario.
Engage ( 10 minutes) Student’s Activity
Prayer
Daily Reminders
Review
Last meeting, we had our discussion about the properties of

gas. So, again what are the properties of gas.
Motivation
Recall the symbol and the units of the following properties by
completing the table.
Property Symbol Units
Pressure
Volume
Temperature
Objective setting: The teacher will give the learning objectives

for the lesson
Explore ( 20 minutes) Student’s Activity
Before we start the activity, please clear your area and aware of
the rules in doing the activity:
 Follow instructions carefully

 Work collaboratively
 Work silently
 Respect each other’s idea
Students will be divided into 3 groups. Each groups will choose a

leader, secretary, reporter and material manager.
3 groups will have different activities:
Group 1 : “ Marvelous Marshmallow”

What you need
Syringe rubber stopper marshmallow
What you have to do:
1. Remove the plunger

from the syringe.
Place the
marshmallow inside
and then reinsert the
plunge
1. Remove the plunger from the syringe. Place the marshmallow
inside and then reinsert the plunger.
2. Seal the syringe with rubber stopper.
4. Increase the pressure by giving the plunger inward push.
5. Decrease the pressure by slowly pulling the plunger
outwards.
Key questions:
1. What happened to the size ( volume) of the marshmallow
when pressure was increased?
2. What happened to the size ( volume) of the marshmallow
upon reducing the pressure?
Group 2: “Balloon in the bottle”
What you need

Plastic bottle balloon push pin
What you have to do
1. Put the balloon inside the bottle

2. Secure the balloon at the rim of the plastic bottle
3. Punch a hole in the middle part of the bottle using the
thumbtacks
4. Suck the air inside the bottle at the hole.
Key question:
1. What have you observed?
2. What happen to the balloon when you suck the air inside the
bottle?
Group 3: Inhale, Exhale

What you need
Plastic bottle 2 pieces of balloon scissors cutter
What you have to do:
1. Cut the bottom of the balloon
2. Be careful in handling the scissors
3. Cut off the narrow opening of the balloon
4. use the balloon to cover the bottom of the bottle
5. Let its opening seal the rim of the bottle
6. Put the other balloon upside down inside the bottle
7. Slightly pull the balloon at the bottom of the bottle
8. Observe what happen to the balloon at the top as you
continue to pull the balloon at the bottom of the bottle.
Key questions:
1. What happens to the balloon on top as you pull the balloon
at the bottom?
2. Why do you think this happened?
Explain (10 minutes) Student’s Activity
Presentation of outputs. Students will present their data to the

class.
As you do your activity have you observed something with the

volume and pressure?
Very Good!
As the volume increases the pressure decreases
When the pressure increases the volume decreases
So it means that the pressure and volume of a gas is inversely

proportional to each other state in what law?
Elaborate (5 minutes) Student’s Activity
What is Boyle’s law?

Boyle’s law states that pressure is INVERSELY PROPORTIONAL
to the volume at constant temperature.
When volume increases, pressure decreases. When volume

decreases, pressure increases.
If we are going to relate the 2 properties of gas using a graph,

we will be getting this kind of graph.
Boyle’s Law Equation

This law can be expressed mathematically as follows:
V1P1 = k
V2P2 = k
Then V1P1 = V2P2
Where,
P1 = is the initial pressure exerted by the gas
V1 = is the initial volume occupied by the gas
P2 = is the final pressure exerted by the gas
V2= is the final volume exerted by the gas
Where can we apply Boyle’s Law in real life situation?
Breathing - as you inhale, the lung cavity expands, causing the

pressure inside the lungs to decrease and become lower than
the outside pressure. As a result, air flows from higher pressure
area, which is outside the body, into the lungs. Exhaling is the
opposite, when the lungs exhale, the diaphragm relaxes, and
the volume of chest cavity decreases, while the pressure within
it increases.
Inhaling and Exhaling basically means increasing and decreasing

the volume of our chest cavity.
Evaluate ( minutes) Student’s Activity
Direction: Read each item carefully. Write only the letter of the
correct answer for each question. Use ¼ sheet of paper for your
answers.
1. Which of the following is the correct equation for Boyle’s

Law? A. P1V1 = P2V2
a. P1V1 = P2V2 c. V1 = V2
b. V1T1 = V2T2 T1 T2
d. P1= P2
T1 T2
2. Which statement describes the volume – pressure
relationship in gases at constant temperature?
a. As the pressure decreases, volume increases A. As the pressure decreases, volume increases
b. As pressure increases, volume also increases
c. As pressure increases, volume remains constant
d. As pressure remains constant, volume increases
3. Which of the following quantities are inversely proportional

in Boyle’s Law? C. volume and pressure
a. number of moles and volume
b. pressure and temperature
c. volume and pressure
4. Who was the English scientist who studied the relationship D. Robert Boyle
between the volume of gas and its pressure?
a. Amedeo Avogadro
b. Gay – Lussac
c. Jacques Charles Combine
d. Robert Boyle
5. Which of the following does involve the application o
C. breathing
d. volume and temperature
f Boyle’s Law?
a. hot air balloon

b. baking
c. breathing
d. bloated tire
Prepared by: Suddene Grace C. Gepitulan
Observed by: Katherine C. Sayo
Cooperating Teacher

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Lesson Plan Exemplar:

Inquiry-based Science Teaching Approach

Topic/Title Boyle’s Law

Grade Level and Section Grade 10

Date and Time April 8, 2024

Time Allotment 60 minutes

Prepared by Suddene Grace Gepitulan

2. Apply Boyle’s Law in real life scenario.

Engage ( 10 minutes) Student’s Activity

Last meeting, we had our discussion about the properties of

Objective setting: The teacher will give the learning objectives

Explore ( 20 minutes) Student’s Activity

 Follow instructions carefully

Students will be divided into 3 groups. Each groups will choose a

3 groups will have different activities:

Group 1 : “ Marvelous Marshmallow”

What you have to do:

1. Remove the plunger

Group 2: “Balloon in the bottle”

What you need

What you have to do

1. Put the balloon inside the bottle

Group 3: Inhale, Exhale

Presentation of outputs. Students will present their data to the

As you do your activity have you observed something with the

As the volume increases the pressure decreases

When the pressure increases the volume decreases

So it means that the pressure and volume of a gas is inversely

Elaborate (5 minutes) Student’s Activity

What is Boyle’s law?

When volume increases, pressure decreases. When volume

If we are going to relate the 2 properties of gas using a graph,

Boyle’s Law Equation

Where can we apply Boyle’s Law in real life situation?

Breathing - as you inhale, the lung cavity expands, causing the

Inhaling and Exhaling basically means increasing and decreasing

1. Which of the following is the correct equation for Boyle’s

3. Which of the following quantities are inversely proportional

a. hot air balloon

Prepared by: Suddene Grace C. Gepitulan

Observed by: Katherine C. Sayo

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