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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 :
Solid
Liquid
Gas

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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 volume
Take the shape and volume of container
Particles are far apart
Particles move

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Properties of matter
There are 2 types of properties
 Physical properties
 Chemical 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 substance
Examples
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
Elements
Compounds
Mixtures

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Elements
Substances that cannot be broken
down into other substances
chemically or physically
Examples
Sodium
Oxygen
Carbon
Aluminum

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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
Examples
Salad
Frosted 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 burning
Sour milk

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Thanks
Submitted by
Adit
Scotish High School
Gurgaon

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presentation(ppt) please send it on
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www.makemegenius.com– Full of ingredients to make your child a genius.
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