Relative Density
Chapter Name : Gravitation |
Sub Topic Code : 101_09_10_07_01 |
Topic Name : Relative Density |
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Sub Topic Name : Relative Density |
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Introduction
Take multiple objects measure their mass and volume
Pre-Requisites:
Matter, Measurments
Activity:
Find the density of vegetable oil and water.
Real Life Question:
When you mix oil and water, Why does oil stay on top?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Relative Density | Denisty of Substance/ Density of Water |
| Density | Mass/Volume |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Liquids, (Oil, Water,Milk Syrup) etc. | Measure density and then relative denisty |
Real life uses :
Hot air balloon – Hotter air is less dense than cold air
Places to visit :
Cooking Oil, Milk Industry – density a sign of purity,quantity
Practical examples around us
| Examples | Explainations |
|---|---|
| Buying Vegetable Oil | Uses the principle to determine the density of liquids |
| Dairy Industry | To determine the purity of milk |
What you learn in Theory:
Formulae of Density and Relative Density
What you learn in Practice:
Calculating density and relative density for substances , Experimental Skills