Matter is anything that occupies space and has a mass

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Presentation transcript:

Matter is anything that occupies space and has a mass What is Matter? Matter is anything that occupies space and has a mass Mass and weight are same on earth’s surface but may vary earth vs moon

Classification of matter According to the state(solids,liquids gases and plasma) According to its composition(elements,Compounds, and mixtures(homogeneous and heterogeneous)

Elements and Compounds Simplest form of matter that has a unique set of properties Examples: C,N,O Compounds Composed of two or more elements in a definite proportion Examples: H2O, SO2,CO2 Compounds can be break down in to simple substances by chemical means

States of matter Solids Liquids Gases Has a definite shape Has indefinite shape No definite shape Definite volume No definite volume Not easily compressed Easily compressed

Cotton Candy – Sugar is composed of 3 substances carbon, Hydrogen and Oxygen

Chemical Symbols – use to abbreviate elements Hydrogen –H Tungsten –W - Wolfram Mercury – Hg - Hydrargyrum Note: Elements derive their name from English/Latin words

Mixtures – composition of two or more substances Homogeneous Has a uniform composition through out Individual components can not be identified Example : salt dissolved in water Heterogeneous Does not have a uniform composition Individual components can be identified Example: mixture of salt and sand