States of matter Revision

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Presentation transcript:

States of matter Revision

States of matter Solid Liquid Molecules are tight together Molecules can pass by one an other

States of matter Gas Molecules are dispersed and free to move

Changing of state Solid to Liquid? Melting point Is the temperature at which a solid changes state from solid to liquid. Solid and a liquid can exist in this state.

Changing of state Liquid to gas? Evaporation Is the changing of a liquid to a vapour.

evaporaation begins to occur throughout the liquid Changing of state Boiling Point Of a liquid is the temperature at which evaporaation begins to occur throughout the liquid Eg. bubbles

Changing of state Brownian Motion The random movement of microscopic particles suspended in a liquid or gas, caused by collisions with molecules in its surroundings.

States of matter Games http://www.scienceunleashed.ie/Games/States%20of%20Matter.swf http://www.bbc.co.uk/schools/scienceclips/ages/9_10/changing_state.shtml http://www.quia.com/rr/38085.html?AP_rand=1671939991