MATTER STATE AND ITS CHANGES

The state of matter are

The state of matter are-:

Solid state as;Ice –sugar –iron -wood

Liquid state as;Water –oil –alcohol -mercury

Gaseous state as;Air-oxygen –water vapour

Matter states-:

Solid matter -:• It has a definite shape and volume.•Activity 1:-• To prove that the solid matter has a definite shape and volume.

• Observation :-• The volume and the shape of each body do not change.

• Conclusion:-• Solids have definite shapes and volumes.

Why are the gold and copper solids?• Because they have definite shapes and volumes.

Liquid matter-:• It has a definite volume and an indefinite shape (it takes the shape of its container).

• Activity 2:-• To prove that the liquid matter has a definite volume and an indefinite shape.

• Observation:-• The volume of water does not change ,but its shape changes taking the shape of its container.

• Conclusion:- • Liquid have definite volumes but they do not have • Definite shapes.

Why is milk liquid?

• Because it has a definite volume and an indefinite shapes.

Gaseous matter-:• It has not a indefinite shape or volume .• Activity:-• To prove that gaseous matter has not a definite shape or volume.

• Observation:-• The shape and volume of air change by pressing on the balloon.

• Calculation:- • Gases have not definite shapes or volume.

Why is air a gaseous matter ?

•Because the air has not definite shape or volume.

/../..2014 Matter states • What are the states of

matter?

• What are the properties of

liquid state?

• What are the properties of

solid state?

• What are the properties of

gaseous state?

• H.W:-• Answer about these questions?