Class 9 Science Chapter 1 Notes PDF
The
Chapter 1 Of Class 9 Science is Matter In Our Surroundings. Here We Will Learn
About Matter ,Characteristics Of Particle And States Of Matter, Changing
States Of Matter Etc.
INTRODUCTION -
- Every Thing In The Universe Is Made Up Of Materials Which Is Known As Matter.
- The Matter Is Made Up Of Very Tiny Particles Called Atoms.
- Anything That Occupies Space And Has Mass Is Called Matter.
- There Is Space Between The Particles Of The Matter.
- The Particles Of The Matter Attract Each Other.
There Are Three States Of Matter - Solid, Liquid, Gas .
- Solids - Relatively Rigid, It Has definite Volume And Definite Shape. The Atoms And Molecules In Solids Are Very Closely Packed Together
- Liquids - It Has Definite Volume But Not Has definite Shape. The Atoms And Molecules Are Loosely Packed And Constantly Moving.
- Gas - It has no Definite shape And Volume. The Atoms In Gas Are So Loosely Packed Son That It Doesn't Has Definite Shape And Volume.
Class 9 Science Chapter 1 Notes PDF
Textbook- | NCERT |
Class- | Class 9 |
Subject- | Science |
Chapter No. - | 1 |
Chapter Name - | Matter In Our Surroundings |
Category- | Class 9 Science Notes Pdf Chapter 1 |
Medium- | English |
Class 9 Science Chapter 1 Notes PDF
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Class 9 Science Chapter 1 Notes PDF
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Class 9 Science Chapter 1 Notes PDF
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