**Bernoulli's principle**states that for an inviscid flow, an increase in the speed of the fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy.

Notes:Power Point Presentation

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**Learnin****g Objective:** 3.6 Understanding Bernoulli’s principle

**Learning Outcome:**

A student is able to:

• State Bernoulli’s principle

• Carry out an experiment to show the effect of Bernoulli’s principle using a Venturi tube

• Explain that a resultant force exists due to a difference in fluid pressure

• Describe applications of Bernoulli’s principle

• Solve problems involving Bernoulli’s principle

**Prior Knowledge and Skills**

Students have knowledge of the resultant force and pressure.

**Scientific Skills**

Observing, inferring and predicting.

**Thinking Skills**

Attributing, comparing and contrasting, grouping and classifying.

**Moral and Scientific Value**

• Having an interest and curiosity towards the environment.

• Having critical and analytical thinking.

• Being flexible and open-minded.

**Scientific Skills**

Observing, inferring and predicting.

**Thinking Skills**

Attributing, comparing and contrasting, grouping and classifying.

**Moral and Scientific Value**

• Having an interest and curiosity towards the environment.

• Having critical and analytical thinking.

• Being flexible and open-minded.

**Set Induction (5-10 minutes)**

-Show a picture of an aeroplane

-Ask students why aeroplane can fly in the sky?

**Content (30-35 minutes)**

-Introduce to the students Bernoulli's principle.

-Split students in a group of 5 to carry out the activities.

-Ask students relate the activity with Bernoulli's principle.

**Experiment (35-40 minutes)**

-Students get into group to carry out the experiments.

-Jot down the observation.

**Discussion (10-15 minutes)**

-Discuss applications of Bernoulli’s principle.

**Summary (5-10 minutes)**

-Give summary and ask student to try complete the exercise given.

## Thursday, August 20, 2009

###
Bernoulli's Principle

**Bernoulli's principle** states that for an inviscid flow, an increase in the speed of the fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy.
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Video1-Filter tunnel

Video2-2 Toys Boat

Video3-Aerofoil

Video4-Venturi tube

Video 5 - Bernoulli's Principle

## Link to Bernoulli's Principle

A student is able to:

• State Bernoulli’s principle

• Carry out an experiment to show the effect of Bernoulli’s principle using a Venturi tube

• Explain that a resultant force exists due to a difference in fluid pressure

• Describe applications of Bernoulli’s principle

• Solve problems involving Bernoulli’s principle

Students have knowledge of the resultant force and pressure.

Observing, inferring and predicting.

Attributing, comparing and contrasting, grouping and classifying.

• Having an interest and curiosity towards the environment.

• Having critical and analytical thinking.

• Being flexible and open-minded.

Observing, inferring and predicting.

Attributing, comparing and contrasting, grouping and classifying.

• Having an interest and curiosity towards the environment.

• Having critical and analytical thinking.

• Being flexible and open-minded.

-Show a picture of an aeroplane

-Ask students why aeroplane can fly in the sky?

-Introduce to the students Bernoulli's principle.

-Split students in a group of 5 to carry out the activities.

-Ask students relate the activity with Bernoulli's principle.

-Students get into group to carry out the experiments.

-Jot down the observation.

-Discuss applications of Bernoulli’s principle.

-Give summary and ask student to try complete the exercise given.

Notes:Power Point Presentation

Posted by Cameron Highlands at 6:48 AM

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Video1-Filter tunnel

Video2-2 Toys Boat

Video3-Aerofoil

Video4-Venturi tube

Video 5 - Bernoulli's Principle

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