The document outlines a 2 period lesson plan on Bernoulli's principle. It includes 3 stages: 1) hands-on activities to demonstrate how fluid velocity affects pressure, 2) a practical experiment and discussion of Bernoulli's principle, and 3) examining applications like airplane wings and answering worksheet questions. The goal is for students to understand that fluid pressure decreases as speed increases according to Bernoulli's principle through observation, discussion, experimentation and making connections to real-world examples.

1. LESSON x: 3.6 Understanding Bernoulli’s principle
Pedagogy: Observation and classroom discussion with LCD presentation
Time: 2 periods
DEVELOPMENT OF LESSON
Learning Activities Content T&L Strategies / Methods
Introduction Refer to text book page 100. (Work sheet is given out to students.)
(30 – 40 minutes) (i) When a fluid moves, there is a change in
Carry out activities to gain its fluid pressure. • Carry out Activity 3.6A, 3.6B, 3.6C
an idea that fluid velocity (ii) The higher the fluid velocity, the lower text book page 101. Teachers are
affects fluid pressure. the fluid pressure. advised to split the students in groups
Writing observations on to do the 3 activities. The 3 activities
work sheet. are placed in 3 separate stations to
encourage as many students as
possible to participate actively in
them. The groups rotate among
stations.
• Students fill in answers in their
worksheet as they do the activities.
Scientific Skills : Observing, inferring,
predicting
Development 1 Bernoulli’s principle states that the pressure • Teacher states Bernoulli’s principle.
(10 – 15 minutes) of a moving fluid decreases as the speed of (Text book page 100)
Referring to text book, the fluid increases. • Teacher demonstrates Bernoulli’s
discussion. principle using a Venturi tube. (Text
book page 102)

2. Development 2 • Students carry out experiment 3.5
(30 – 35 minutes) (practical book page 55).
Practical session. • Students write down their
Write down the observations.
observations.
Development 3 The airplane wing (an aerofoil) is shaped in • Students are requested to refer to text
(10 – 15 minutes) such a way that the air flowing past it creates book page 103, Physics in Action to
Refer to text book, discuss a lifting force on it. The lift is strong enough discuss applications.
applications of Bernoulli’s to balance out the gravitational pull on the • View computer simulations to observe
principle. airplane. air flow over an aerofoil to gain an
Answer questions in work idea on lifting force
sheet.
• Guide students to go through the
questions in the work sheet.
Scientific Skills : Connecting and
predicting.
Moral and Scientific Value:
• Having critical and analytical thinking.
• Being flexible and open-minded.
Closure (i) Summary from work sheet. • Guide students to summarise the
(5 to 10 minutes) (Go over the answers work sheet.) lesson by referring to their work sheet.
Summarising the lesson. • Give homework to students – 3.6
Problem solving Questions (text book page 104)
(homework)
Moral and Scientific Value:
• Having an interest and curiosity
towards the environment.
• Cooperation