elena and brenda
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![Page 1: Elena and brenda](https://reader033.vdocument.in/reader033/viewer/2022061220/54badaff4a79592d058b4584/html5/thumbnails/1.jpg)
BY BRENDA AND ELENA
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SOLIDSTHEY HAVE A DEFINITE SHAPE AND A
DEFINITE VOLUME BECAUSE THEY TAKE UP THE SAME SPACE.
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LIQUIDSLIQUIDS DON`T HAVE A DEFINITE SHAPE
BECAUSE THEY ADAPT TO THE CONTAINER THERE ARE IN, BUT THEY HAVE A DEFINITE VOLUME BECAUSE THEY ALWAYS TAKE UP THE SAME SPACE.
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GASESGASES don`thave a definite shape
because they adapt to the shape of the container they are in and they don`t have a definite volume because they spand to fill the container they are in.
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CHANGES IN MATTERPHYSICAL CHANGES CAN HAPPEN WHEN
MATTER CHANGE STATE AND SHAPE ,BUT THE SUBTANCE DOESN`T CHANGE. PHYSICAL CHANGES CAN HAPPEN WHEN WE HEAT, FREEZE,BEND,TWIST,STRETCH OR SQUASH A SUBSTANCE.
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CHEMICAL CHANGESA CHEMICAL CHANGE IS WHEN A NEW
SUBSTANCE IS PRODUCED.CHEMICAL CHANGES CAN HAPPEN WHEN
WE BURN A SUBTANCE OR EXPOSE A SUBTANCE TO AIR.
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MIXTURESA MIXTURE IS SOMETHING THAT
CONTAINS TWO OR MORE SUBTANCES.AIR IS A MIXTURE OF GASES.SALTWATER IN THE SEA IS A MIXTURE OF WATER,SALT AND OTHER MINERALS.MANY ROCKS ARE A MIXTURE OF DIFFERENT MINERALS.
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HETEROGENOUSIN A HETEROGENEOUS MIXTURE IT IS
EASY TO SEE THE DIFERENTS SUBSTANCES.
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HOMOGENEOUS IN A HOMOGENEOUS MIXTURE IT IS
DIFFICULT TO SEE THE DIFERENT SUBTANCES.
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