Pressure Exerted By Liquids And Gases
Chapter Name : Force And Pressure |
Sub Topic Code : 101_08_11_09_01 |
Topic Name : Pressure Exerted By Liquids And Gases |
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Sub Topic Name : Pressure Exerted By Liquids And Gases |
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Introduction
What is pressure? How do liquids and gases exert pressure?
Pre-Requisites:
Introduction to Forces, Matter
Activity:
Take a plastic bottle make holes at different heights of the bottle. , Fill the bottle with water., Observe how the water comes out at different heights.
Real Life Question:
Why do deep sea divers use special suits which is not used during regular surface swimming?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Pressure | Force divided by the area over which it is applied. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Manometer | Manometer measures pressure. Place it at a given point and note the pressure. Take it to different height and now note the pressure. |
Real life uses :
Bottling of carbonated beverages, storing of liquefied gases
Places to visit :
Beverage manufacturer factories, packaging department of Potato chips manufacturing factory
Practical examples around us
| Examples | Explainations |
|---|---|
| Soda Bottling Plant | Learn what parameters the manufacturer takes into consideration before bottling your soft drink. |
What you learn in Theory:
How gases and liquids exert pressure and how the pressure varies with height in case of liquid but remains same for gases
What you learn in Practice:
How the study of their pressure exertion can be used in cutting with knife, and other day to day activities.