Constructing A Lung

Model

2

Learning Procedure

1. ReviewThe teacher will ask:

What are parts of the respiratory system and the functions?

3

Motivation and Presentation

The teacher will presents the video clips

• Breathing Process 2 and• Breathing Process

4

The teacher will ask the following questions based on the video clips

• What forces the air to move in and out of the lungs? Aside from the breathing exercises that we usually do, how can we have a clearer view on the breathing process in humans?

• Can we make a model for this?

5

Activity Proper1. Giving of instructions and

distribution of Learning Activity Sheets by group

• Learning Activity Sheet 3 Lung Model

• Group work• Reporting by group

6

Analysis and Discussion

• What part of the respiratory system does the model represent?

• What does the lung- chest model show us?

 

7

Generalization What model can you

construct to demonstrate the mechanism of breathing in humans?

Application and ValuingAside from the ice candy bags, what other materials can represent the lungs in a model?

8

Evaluation

• Let the leader of each group display their project/model and have the pupils evaluate the best five models.

• Rubric on Lungs Model.doc

9

Assignment

For the Student to Think:Does the size of chest cavity

affect the volume of the air drawn?