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Ninth Science

Matter in Our Surroundings

Everything in this universe is made up of material which is called Matter.

Things which...

Is Matter Around Us Pure

Substances made up of two or more type of pure matters and can be separated by simple physical me...

Atoms and Molecuels

Antoine Luarent de Lavoisier and Joseph Louis Proust were French scientist gave theories of Laws ...

Motion

When an object changes its position with time, the object is said in the motion. And when an obje...

Gravitation

In general words; the force by which earth attracts all the objects towards it is called Gravitat...

Work and Energy

Work is closely related to energy and power.

We always use the term 'Work' in o...

Sound

Sound is a form of energy. Sound produces sensation in our ears and we hear the sound.

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