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School TAMBOBONG NATIONAL HIGH Grade Level GRADE 9

GRADE 9 SCHOOL
DAILY LESSON LOG Teacher MARIFE B. FELIPE, EdD Learning Area SCIENCE
Teaching Dates & Time October _________ , 2022 Quarter 1st
Sessions Session 1 Session 2 Session 3 Session 4
Grades/Section/Day/Time Rosal- 9:45-10:45-(T-F) Rosal- 9:45-10:45-(T-F) Rosal- 9:45-10:45-(T-F) Rosal- 9:45-10:45-(T-F)
Ilang-Ilang-10:45-11:45-(T-F) Ilang-Ilang-10:45-11:45-(T-F) Ilang-Ilang-10:45-11:45-(T-F) Ilang-Ilang-10:45-11:45-(T-F)
Sampaguita-3:00-4:00-(T-F) Sampaguita-3:00-4:00-(T-F) Sampaguita-3:00-4:00-(T-F) Sampaguita-3:00-4:00-(T-F)
I. OBJECTIVES:
A. Content Standards The learners demonstrate understanding of …
 The development of atomic models that led to the description of the behavior of electrons within atoms
B. Performance Standards The learners shall be able to…

C. Leaning Competencies/ The learners should be able to…


Objectives  Explain how the Quantum Mechanical Model of the atom describes the energies and positions of the electrons
II. Content: Quarter 2, Week 1- Module 1: (Quantum Mechanical Model of an Atom)
III. Learning Resources
a. References
1) Teacher’s Guide Pages
2) Learner’s Material Pages Science- Grade 9
Alternative Delivery Mode
Quarter 2, Wk 1- Module 1: (Quantum Mechanical Model of an Atom)
First Edition, 2020
3) Textbook’s Pages
4) Additional Materials from
Learning Resources (LR)
Portal
b. Other Learning Resources
IV. PROCEDURES:
A. Reviewing previous lesson The students will be given a 5 Call somebody to explain planetary Review the relationship among
or presenting new lesson items Pre-Test answerable by model of an atom. energy levels, sublevels, and
Agree or Disagree orbitals
B. Establishing purpose for the Meanwhile, consider the From that model point out its Let students analyze Table 1:
lesson following questions as we go limitations and how it would not be Distribution of electrons in the
along with our lesson: applicable to some other elements. atomic orbitals of the first 10
1. What do the colors of light elements.
emitted by metals tell about the
structures of the atom.
2. What is the difference between
Bohr’s model and the quantum
mechanical model of the atom?
C. Presenting examples/ Show a video of fireworks. Lead the concept to the Do you see any pattern in the
instances for the new lesson Have you observed the different development of the quantum electron configuration of the
colors of light emitted by this mechanical model of the atom elements?
firework?
What are these patterns?
Do you know what is responsible
for this array of colors?

Would you believe that this is due


to the arrangement of electrons
within the atoms?

Excited to discover more about


the atom?

Let’s go…
D. Discussing new concepts Explain to the students that Discuss the difference between Discuss about how to determine
and practical new skills #1 firework effects are produced by Bohr’s model and the quantum the electron configuration of
the combustion of explosive mechanical model of the atom the element.
materials present in fireworks.
These explosive materials are also Discuss the de Broglie hypothesis, Explain the three rules applied in
called metal salts. Uncertainty principle and Quantum deriving the electron
mechanical model of the atom configuration. These are Aufbau’s
Emphasize to the students that Principle, Pauli’s Exclusion
when an atom is heated, it begins Principle, and Hund’s rule of
to emit light of definite color, multiplicity.
which will then lead to the
discussion of the atomic emission
spectra of an element.
E. Discussing new concepts But what do the colors of light What is the relationship among
and practical new skills #2 emitted by metals tell about the energy levels, sublevels, and
structures of the atom? orbitals?

To answer this question, discuss


how Neils Bohr explain the spectral
lines of an element using the
Bohr’s planetary model of the
atom.

F. Developing mastery (Leads Seatwork:


to formative assessment 3) Write the electron configuration
of the elements and show the
orbital diagram using the
Hund’s Rule and Pauli’s
Principle.

Elements Orbital Electron


Diagram Configuration

Be4 ↑↓ 1s2 2s2


↑↓
1s 2s
Mg12
Al13
Si14
P15

G. Finding practical
applications and concepts
and skills in daily living
H. Making generalizations Have at least 2 students to give Let atleast 2 students tell something Let atleast 2 students to give
about the lesson their insights about the topic about the lesson their insights
I. Evaluating Learning Long Quiz
J. Additional activities for
application or remediation
V. REMARKS:

VI. REFLECTION:
A. No. of learners who earned 9-Sampaguita ________ 9-Sampaguita ________ 9-Sampaguita ________ 9-Sampaguita ________
80% of formative 9-Ilang-Ilang________ 9-Ilang-Ilang________ 9-Ilang-Ilang________ 9-Ilang-Ilang________
assessment 9-Rosal________ 9-Rosal________ 9-Rosal________ 9-Rosal________
B. No. of learners who require 9-Sampaguita ________ 9-Sampaguita ________ 9-Sampaguita ________ 9-Sampaguita ________
additional activities for 9-Ilang-Ilang________ 9-Ilang-Ilang________ 9-Ilang-Ilang________ 9-Ilang-Ilang________
9-Rosal________ 9-Rosal________ 9-Rosal________ 9-Rosal________
C. Did the remedial lesson 9-Sampaguita ________ 9-Sampaguita ________ 9-Sampaguita ________ 9-Sampaguita ________
work? 9-Ilang-Ilang________ 9-Ilang-Ilang________ 9-Ilang-Ilang________ 9-Ilang-Ilang________
No. of learners who have 9-Rosal________ 9-Rosal________ 9-Rosal________ 9-Rosal________
caught up with the lesson
D. No. of learners who 9-Sampaguita ________ 9-Sampaguita ________ 9-Sampaguita ________ 9-Sampaguita ________
continue to require 9-Ilang-Ilang________ 9-Ilang-Ilang________ 9-Ilang-Ilang________ 9-Ilang-Ilang________
remediation 9-Rosal________ 9-Rosal________ 9-Rosal________ 9-Rosal________
E. Which of my teaching
strategies worked well?
Why did these work?
F. What difficulties did I
encounter which my
principal or supervisor can
help me solve?
G. What innovation or
localized materials did I
use/ discover which I wish
to share with other
teachers?

Prepared by: Checked by:


MARIFE B. FELIPE, EdD ABRAHAM B. TAWATAO
Teacher III School Principal IV

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