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UNIT 7 MATTER AND ENERGY

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NATURAL SCIENCE

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UNIT 7 MATTER AND ENERGY

NATURAL SCIENCE

Jordan Soto Severino
1

Heterogeneous one solutions Distillation substances atoms pure Homogeneous can Filtration water two Decantatio cannot Pure Mixtures soil substances separated Evaporation sea

UNIT 7 . MATTER AND ENERGY

COMPOSITION OF MATTTER
Matter is made up of one or more which , in turn , consists of tiny particles , called

There are two types of matter :
substances : these contain only type of component which cannot be into other
: these contain or more substances

Types of mixtures
mixtures : the different components be distinguished . Example is
mixtures or : the different components be distinguished . Example is

SEPARATION OF MIXTURES
The types are :



2

solid gas solid poin liquid gas boiling liquid liquid solid gas liquid solid melting gas liquid liquid gas point fast gaseous liquid sublimation solid solid slowly

PHYSICAL CHANGES
CHANGES OF STATE
Types of states : , and .

Types of changes :
Melting : happens when a turns into a

Vaporation : happens when a turns into a
Types :
Evaporation : happens and the liquid does not boil
Boiling : happens and the liquid does boil

Sublimation : happens when a turns into a

OTHER TYPES OF ENERGY
Condensation : happens when a turns into a
Solidification : happens when a turns into a
Reverse : happens when a turns into a

MELTING AND BOILING POINTS
Every susbtances changes from a to a at a fixed temperature that is known as the
Every substances changes from to at a fixed temperature is known as the

3

burned oxygen things metal objects water substances living

CHEMICAL CHANGES
Types of chemical reactions :
Oxidation : happens when some substances combine with in the presence of
Combustion : happens when or are
Fermentation : happens in some

CHEMICAL REACTIONS IN EVERYDAY LIF E

4

panels MECHANICAL position nuclear plants electrical fuels power food bacteries moving charged mechanical electrical THERMAL movement ELECTRICAL moving solar particles CHEMICAL non nuclear temperature potential movement substances LIGHT kinetic fuel NUCLEAR

FORMS OF EVERYDAY . TYPES
ENERGY
All objects have energy due to :
its , called energy in objects
its , called energy in - objects in high position

ENERGY
Is stored in , and

ENERGY
Is produced by the of

ENERGY
Can be converted into energy . This transformation takes place in

ENERGY
Is stored in some known as .
Is used to produce energy in

ENERGY
Is the energy in an object related to its .