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martes, 10 de marzo de 2020
Physical and chemical changes
Hi guys!
Have a look at this video if you want to learn some more about these two types of changes in matter! bye!
the reversible change is temporary and can be reversed and the irreversible change is permanent and can´t be reversed. reversible example:Ice cube. Irreversible example:break a pencil
Reverversible are temporary and can be reversed example: the water in solid to at liquid Irreversible are changes permanet and cannot be reversed example: at you cooking foot cannot reversed JULIA CUBERO
the reversible change is temporary and can be reversed and the irreversible change is permanent and can´t be reversed.
ResponderEliminarreversible example:Ice cube.
Irreversible example:break a pencil
reversible change is something that can´ t be revealed and an irreverliable change can´t be reversed
ResponderEliminarreversible example ice cube
irreversable example crystal glass
reversible can be revealed and irreversible can´t be reversed
ResponderEliminarwe can shape iron, and we can oxidize iron
ResponderEliminarPhisical = We can cut a bow and we can cut a carrot
ResponderEliminarChemical = We can burn a paper
MARIA LASTRES LOZANO
You are... right! thanks Mary!
EliminarPhisical=when we cut a paper in pieces
ResponderEliminarChemical=gasoline combustion
LUCÍA SÁNCHEZ
These are good answer Lucía, keep working hard!
EliminarTwo examples of physical changes: bread and clay.
ResponderEliminarTwo examples of chemical changes: rotting banana and cooking an egg.
These are good ones! thanks Paola!
EliminarReverversible are temporary and can be reversed example: the water in solid to at liquid
ResponderEliminarIrreversible are changes permanet and cannot be reversed example: at you cooking foot cannot reversed
JULIA CUBERO
physical change:we can cut the paper,ice can melt
ResponderEliminarchemical change:iron can rust,food digestión
Javi Martin
Hello teacher
Excellent job guys! Keep working! =)
ResponderEliminarPHYSICAL= We can use the car and we can break a mirror.
ResponderEliminarCHEMICAL= Burnt flesh
physical change: to break a pencil
ResponderEliminarchemical : burn wood
hi theacher
A physical change:brake a glass
ResponderEliminarA chemical change:gasoline combustion