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Science 7 DLP 9-24-24

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DETAILED LESSON PLAN

Teacher GIEZELL C. BABIA Grade Level 7


Learning Area SCIENCE 7
Teaching Dates &
Time SEPTEMBER 24, 2024 & 3:00 – 3:45 P.M
Quarter 1st Quarter

I. Learning Objective
Learning Objectives
At the end of the lesson, the learner shall be able to:
1. explain how temperature affects the solubility of solid material.
2. explain how the nature of solute/particle size and solvent affect the rate of solubility.
3. identify solutions such as acids, bases, and salts which can be found at home, and in school that react with litmus
paper
4. identify the different science equipment, demonstrate the proper handling of science equipment, and appreciate the
importance of science equipment
II. Learning Content
A. Topic Factors Affecting Solubility
B. Reference Mathematics 7 Module
C. Material Power Point and learning Material
III. Learning Procedures
Teachers Activity Students Response
A. Preliminary Good Morning Class!
Activities
Student varies with the teacher

Calls a student to lead the prayer.

Checking of Attendance

Review

Learners will be asked to read the listed words based on the previous lesson and

will supply the needed information:

Acids Salts

Bases Solutions

1. Select one of the words above and write one sentence using the word in everyday

language.

2. Select one of the words above and write one sentence using the word in scientific

meaning.

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B. Motivation The learners shall be able state the
difference between saturated and
unsaturated solutions.

The learners will arrange the


numbers in descending order to
reveal the
correct word.
(Everyone raised their right hand.)

C. Presentation What did you notice about the given


of the Lesson game?
The game that you play; It is
connected in our lesson to be tackled
later.
D. Activity The learners will be given reading material. After reading, they will mark and describe
unfamiliar terms, phrases, or sentences.
Acids and bases are found all around us, and the currency of acid-base chemistry is
the proton, or hydrogen ion. Acid-base chemistry is part of everyday life, from baking
food to the innumerable reactions that keep the human body alive. Acid-base chemistry
is measured on the pH scale—the concentration of hydrogen ions in a solution. Buffers
can control pH, whether used in the lab or in the acid- base components of human
blood. The role of acids and bases will be shown in food—from the rise of a cake to the
making of cheese. In the environment, acid rain plagues industrial portions of the
world; the chemical nature of acid rain reactions and the environmental response and
impact is part of acid-base chemistry.

E. Analysis 1. Have you already


encountered these kinds of
problems?
2. What are the strategies that
you used to come up with
your answer? Student’s varies with the teacher
3. Based on the given
activity what are you
expecting for our lesson
today?
4. What do you think about
our next Lesson?
F. Abstraction Learning Objectives
At the end of the lesson, the learner shall be able to:
1. explain how temperature affects the solubility of solid material.
2. explain how the nature of solute/particle size and solvent affect the rate of solubility.
3. identify solutions such as acids, bases, and salts which can be found at home, and in school that
react with litmus paper
4. identify the different science equipment, demonstrate the proper handling of science equipment,
and appreciate the importance of the equipment
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The learners will perform a class activity entitled “Acid (and Base) Rainbows”.
Objective:
At the end of the activity, the learners will be able to identify which solutions are
acids, base, and salt.
Materials:
Litmus paper (red and blue) vinegar tap water
10 plastic cups dishwashing liquid baking powder
Dropper coffee calamansi
Stirrer toothpaste
plastic teaspoon distilled water
Procedure:
1. Prepare 20 strips of litmus paper (10 blue, 10 red).
2. Place one (1) teaspoon of each sample in a plastic cup. Label the cups using a
marker and masking tape.
3. At each cup dip one (1) red and one (1) blue litmus paper for about 10 seconds
then remove and observe any color change. Be sure to put the paper towel under
the test strips so you do not spill any substances on the counter tops.
4. Record the change in color of the litmus paper in the correct column of the table.
5. Fill in the last column of the table. Is the substance an acid, base, or salt?
6. Repeat for the remaining substances.

Has this lesson helped you to better identify the different acids, bases and salts
solutions found at home and in school?

G. Application The learners will be asked to answer the table:

3. Lesson Activity
The learners will be asked to read out and answer the following questions:
1. What happens to the red litmus paper when you dip it on acid substances?
2. What happens to the blue litmus paper when you dip it on acid substances?
3. What happens to the red litmus paper when you dip it on base substances?
4. What happens to the blue litmus paper when you dip it on base substances?
5. What happens to the blue and litmus paper when you dip it on salt substances?
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6. What are the acidic solutions found at home and in school?
7. What are the basic solutions found at home and in school?

IV. Evaluation
Direction: Read each question carefully and write only the letter of the correct answer on a
separate sheet of paper.
1. Acids gives some foods a/an ________ taste.
A. Sour
B. Alkali
C. Corrosive
D. Neutral
2. Which among the following solutions are acid?
A. Soap
B. Vinegar
C. dishwashing liquid
D. baking soda
3. Which of the following solutions are base?
A. Vinegar
B. Coffee
C. lemon juice
D. soap
4. What happen to the red litmus paper when dip in salt solution?
A. turns blue
B. turns green
C. turns yellow
D. no change in color
5. What happen to the blue litmus paper when dip in a vinegar?
A. turns green
B. turns red
C. turns yellow
D. no change in color

Prepared by:

GIEZELL C. BABIA
LSB TEACHER

Checked by

LEA A. YAP
TEACHER III

Noted by:

REGINA M. ANANAYO
SCHOOL HEAD

JIMMY A. LAROYA Ph.D


PUBLIC SCHOOL DISTRICT SUPERVISOR

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