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Science project-G7-B3

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hammohammad09
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26 views2 pages

Science project-G7-B3

Uploaded by

hammohammad09
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Science project

Learning Create and use a model to describe how the internal and external
outcomes: intercostal muscles and the diaphragm produce volume and
pressure changes leading to the ventilation of the lungs.

Project make a model of the respiratory system using an old plastic


Description bottle, balloons and straws, students
are asked to label their models and explain the mechanism of
breathing in regard to the position
of the diaphragm, size of lungs and pressure during inhalation and
exhalation.

Location / Materials can be prepared at home but making the models and
Presentation explaining breathing mechanism
should take place in class.
https://youtu.be/HcetnVG7SGg?si=1XYLoH9Z81CuWxxy

Deadline Next Thursday 12-12-2024

NES//Sa datB ranc h//Sc ie nce De par tme nt//G rade 7


Mechanism of breathing

A-During inhalation:
the position of the
diaphragm
size of lungs
Air pressure

B-During exhalation:
the position of the
diaphragm
size of lungs
Air pressure

NES//Sa datB ranc h//Sc ie nce De par tme nt//G rade 7

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