Post on 12-Jan-2015
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States of Matter
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What is matter
Matter is anything that occupies space
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The states of matter are :
SolidLiquidGas
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Solid
Definite shape
Definite volume
Particles close together, fixed
Particles move very slowly
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Liquid
Indefinite shape, definite volume
Take the shape of container
Particles are close together, but
mobile
Particles move slowly
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Gas
Indefinite shape Indefinite volumeTake the shape and volume of containerParticles are far apartParticles move
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Properties of matter
There are 2 types of properties
Physical propertiesChemical properties
Physical and chemical properties are used to identify, describe, and classify matter
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Physical properties
Observed without changing the
substance into something else
Examples– Color– Density– Shape– Boiling Point– Mass
Can you name others?
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Chemical Properties
Observed only when substance is
changed and interacts with
another substanceExamples
Flammability: Able to burn
Rusting: Combining with oxygen to
form rust
Can you think of others?
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Kinds of Matter
Basic kinds of matter interact to form everything
around us
ElementsCompoundsMixtures
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Elements
Substances that cannot be broken down into other
substances chemically or physically
Examples
SodiumOxygenCarbonAluminum
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Compounds
Substances made of two or more elements combined chemically
Compounds have properties different from those of the
original elements
Examples
water: Hydrogen and Oxygen
salt: Sodium and Chlorine
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Mixtures
Combination of two or more substances
that are not chemically combined
ExamplesSaladFrosted cake
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Changes in matter
Two kinds
Physical changes Chemical changes
Energy is used anytime a change in matter occurs
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Physical Change
Alters form or appearance of
material, but does not change material into brand new substance
Examples chopping wood bending wire molding clay
Phase/State changes
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Chemical Change
Produces new substances
Examples
Wood burningSour milk
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ThanksSubmitted by
AditScotish High School
Gurgaon
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presentation(ppt) please send it on info@makemegenius.com
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