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SOURCES OF ENERGY, Pysical changes in matter, Separation mixtures, Pure…
SOURCES OF ENERGY
There are 2 types of energy
Renewable energy
Hidroelectric
Geothermal
sustainability
Wind
Biofuels
sustainability
Solar
Non-Renewable energy
Petroleum
Coal
Natural Gas
Nuclear
Pysical changes in matter
LIQUIED
SOLID
GAS
Separation mixtures
Distillation
Filtration
Evaporation
Pure substances and mixtures
2 pure substances
homogeneus mixtures
there are mixtures that have a consistent colour and texture are calles HOMOGENEUS MIXTURES
heterogeneus mixtures
there are a mixture that has a varied colour or texture is called a HETEROGENEUS MIXTURES
What are the pure substances
It is made of one type of molecula
PHYSICAL CHANGES IN MATTER
COLD
PEQUENO :JUNTO
HOT
GRANDE :SEPARADO
Movimiento de algo
cinetica
You can't know wat are te ingridients
1example: the gases
You can know wat are the problems
1 example: the cement
MELTING
EVAPORATION
CONDENSATION
SOLIDIFICATION