LP For 2022 2nd COT

Region I
LA UNION SCHOOLS DIVISION OFFICE

Caba District
CABA NATIONAL HIGH SCHOOL
Las-ud, Caba La Union
LESSON PLAN IN SCIENCE 10
Date: December 07, 2022 Grade 10-Rizal

Wednesday 8:30-9:30 am
TOPIC: Main Topic: Possible Solutions to Reduce EM Radiation Hazards
LEARNING COMPETENCY: Explain the effects of electromagnetic radiation on living things and the
environment ( S10 – FE – Iie – f – 49 )
Specifically, the learners should be able to:
a. Recognize the significant effects of EM radiation on living things
and the environment
b. State and explain the possible solutions to reduce EM Radiation on
living things and the environment
LEARNING RESOURCES: Activity Worksheets, SLM, Module 3, Laptop, TV, Slide deck Presentation,
https://www.youtube.com/watch?v=vOKKC-9nfZQ&t=12s
LEARNING PROCESS: A. Preparatory Activities
1. Prayer
2. Checking of Attendance
B. Developmental Activities
 ELICIT
The teacher will present the word of the day.
Project FIVE
‘’Your spelling sounds familiar”
Hazards Solution
Reduce Exposure
Radiation
 ENGAGE
The learners will a watch a short video and show pictures of the
characters of mobile legends
 EXPLORE
Processing questions:
1. What is the video all about?
2. Who among you plays Mobile Legends?
3. How many hours do you spent in playing ML?
4. What do you think will you get from playing Mobile Legends?
5. Is radiation harmful or not? Why
 EXPLAIN
The teacher will discuss the lesson through slide deck presentation
Significant Effects
Possible Solutions
 ELABORATE
Activity: Effects and Solutions
Directions: Give the effects of the following EM radiations and find its
possible solutions to reduce the risks.
Possible Effects Possible Solutions to

Type of EM Radiations Reduce the Risks
1. Radio waves
2. Infrared
3. Ultraviolet
4. X-Ray
5. Gamma Ray
6. Microwave
7.Visible light
 Generalization
Call 2 to 3 learners to sum up the lesson
 EVALUATE
Multiple Choice: Write the letter of the correct answer, write
your answer on the space provided
1. Radio waves are useful forms of EM waves, but they also have harmful
effects to the body. Some health experts say that too much exposure
to high frequency radio waves may _________________________________.
A. cause severe burns
B. damage body tissues
C. carry the highest amount of energy
D. cause cancer, leukemia, and other health problems
2. How can you minimize/lessen exposure to cellphone radiation?
A. Sleep with your phone
B. Avoid using your phone when it has high signal
C. Carry and keep your smartphone near your body
D. Use hand free and text messages whenever possible
3. When does infrared radiation become a health hazard? When ____?
A. It causes severe burns
B. It kills cells including cancerous cells
C. Exposure to high frequency may cause cancer
D. Exposure to intense electromagnetic radiation can damage the lens
and cornea of the eye
4. Why is absorption of UV rays in small doses by the human body very
important? It is because _______________________
A. it helps in the production of iron needed by the body
B. it helps in the absorption of sulfur needed by the body
C. it helps in the production and absorption of sodium that makes
our bones healthy and strong
D. UV rays play an important role in the production of vitamin D
which helps in the production and absorption of calcium that
makes our bones healthy and strong
5. Why are high frequency electromagnetic waves like gamma rays
harmful to living things? It is because ________________________
A. they carry very high amount of energy that enable them to
penetrate and kill living cells.
B. they carry moderate amount of energy that enable them to
penetrate and kill living cells.
C. they carry low amount of energy that enable them to penetrate and
kill living cells.
D. they pass through soft tissues but are filtered by dense matter
EXTEND:
What is the importance of infrared radiation in the field of medicine?
Prepared by:
EMILY T. ESPEJO
Subject Teacher
Checked:
LANI P. GATCHALIAN, Ph.D

Head Teacher III
Noted:
JOCELYN M. DE CASTRO, Ed.D

Principal II
Name: _______________________________Grade & Section:________________Date:______
True or False: Write True if the statement is correct , write

False if the statement is incorrect. Write your answer on the space
provided.
__________1. Operating any appliances with a wet hand is unsafe

__________2. A circuit breaker automatically shuts down if there is
overloading in the circuit
__________3. Your washing machine and refrigerator should have
proper earthing for safe operation
__________4. Earthing protects the appliance used from the grounded
appliances
__________5. Grounded circuit happens when current takes a short cut
to a zero resistance conducting wire instead of passing through the load
__________6. It is a good practice to connect the computer set to a
voltage regulator to protect it from overloading
__________7. Fuse and circuit breaker are safety devices that open the
circuit when there is overloading
__________8. A fuse should be replaced immediately once it has blown
up
__________9. Blown out fuse can be replaced with a jumper wire
__________10. If you happen to touch with your bare hands an
uninsulated wire, it is safe if it has low current
Prepared by:
EMILY T. ESPEJO
Subject Teacher

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Region I

LA UNION SCHOOLS DIVISION OFFICE

LESSON PLAN IN SCIENCE 10

Date: December 07, 2022 Grade 10-Rizal

Possible Effects Possible Solutions to

What is the importance of infrared radiation in the field of medicine?

LANI P. GATCHALIAN, Ph.D

JOCELYN M. DE CASTRO, Ed.D

True or False: Write True if the statement is correct , write

__________1. Operating any appliances with a wet hand is unsafe

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