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Physics in
Household Activities
Presentation
DAY 1
1.What was the first thing you did
when you woke up this morning?
2.What appliances did you use
before coming to school?
3.How do you think these appliances
work?
"Most of the things we use every day seem
ordinary, but behind all of them are
scientific principles. The branch of science
that explains how these things work is
Physics."
A day without Physics
Divide the class into groups of 4–5 students.
Assign one scenario to each group.
Group 1 – No electric fan
Group 2 – No refrigerator
Group 3 – No washing machine
Group 4 – No cellphone charger
Group 5 – No rice cooker
A day without
Physics
• What would happen if this appliance did
not exist?
• How would your daily routine change?
• What tasks would become difficult?
A day without Physics
• What did you notice about these
appliances?
• Why did life become more difficult
without them?
• What makes these appliances work?
• Can we imagine modern life without the
principles of Physics?
A day without Physics
"Many of the things that make our lives
easier exist because of Physics. Physics is
not just about formulas and
computations. It is a science that helps
improve our everyday lives."
LEARNING OBJECTIVES
1.Identify common
household activities and
appliances that involve
physics principles.
1.Create a simple
Household Physics
Mapping chart with
group members.
1.Appreciate the
importance of physics in
improving everyday
household life.
Physics?
WHAT IS
PHYSICS
1.Why do objects fall to the ground?
2.Why does an electric fan spin?
3.Why does a flat iron become hot?
4.How does a cellphone charge?
PHYSICS
is the science that studies how things
move and interact in the world
around us. It tries to understand the
basic rules that govern the universe
— from tiny atoms to huge planets
and galaxies.
PHYSICS
In simple terms:
Physics asks questions like:
■ Why do things fall down?
■ How does light travel?
■ What makes things move?
■ What is energy, and how is it used?
PHYSICS
Some everyday examples of physics:
■ A ball falling (gravity)
■ A car speeding up or slowing down (motion
and force)
■ Electricity turning on a light (energy and
circuits)
■ Sound coming from a speaker (vibrations and
waves)
WHY DO WE NEED
TO STUDY PHYSICS?
PHYSICS
We need to study physics because it helps us understand how
the world works — and that understanding helps us solve
problems, build things, and improve our lives.
Here's why physics is important (in simple terms):
■ Explains everyday things
■ Helps create technology
■ Solves real-world problems
■ Trains your brain
Physics in Household
Activities
PHYSICS
ELECTRIC FAN
• What is the purpose of this appliance?
• What kind of energy does it use?
• What happens to the energy?
• How does it make our lives easier?
ELECTRIC FAN
⚬Uses electricity, motion, and energy conversion
⚬Electrical energy is converted into mechanical energy
⚬Spinning blades move air and help cool the body
AIR CONDITIONER
• What is the purpose of this appliance?
• What kind of energy does it use?
• What happens to the energy?
• How does it make our lives easier?
AIR CONDITIONER
⚬Uses heat transfer principles
⚬Removes heat from the room and releases it outside
⚬Makes rooms cooler and more comfortable
COOKING
• What is the purpose of this appliance?
• What kind of energy does it use?
• What happens to the energy?
• How does it make our lives easier?
COOKING
⚬Uses heat transfer: conduction, convection, and radiation
⚬Heat energy cooks food through direct contact, moving
fluids, or waves
⚬Makes food safe and ready to eat
MICROWAVE OVEN
• What is the purpose of this appliance?
• What kind of energy does it use?
• What happens to the energy?
• How does it make our lives easier?
MICROWAVE OVEN
⚬Uses electromagnetic waves called microwaves
⚬Waves make water molecules vibrate and
produce heat
⚬Heats food quickly and efficiently
WASHING MACHINE
• What is the purpose of this appliance?
• What kind of energy does it use?
• What happens to the energy?
• How does it make our lives easier?
WASHING MACHINE
⚬Uses circular motion, force, and energy
⚬Spinning motion removes dirt and water from clothes
⚬Makes washing faster and easier
COLLABORATIVE
ACTIVITY
PHYSICS IN REAL LIFE: HOUSEHOLD MAPPING
INSTRUCTIONS
⚬Learners form groups of 4–5.
⚬Each group creates a chart/concept map
showing:
■ Household appliance/activity
■ Physics principle involved
■ How it improves quality of life
INSTRUCTIO
NS
Household
appliance/activity
How it improves
quality of life
Physics principle
involved
INSTRUCTIO
NS
How would daily life change if these
technologies did not exist?
in daily life
OPPORTUNITIES AND
INTEGRATION
What subject can you think of based on our discussion today?
ASSESSMENT
EXIT TICKET
"Today I realized that Physics is important because ____________________."
HOMEWORK
Create a mini “Physics at Home” journal by
listing five household activities and
identifying the physics principle involved in
each
BYE!