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Elena and brenda

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This document defines and compares solids, liquids, and gases. Solids have a definite shape and volume, while liquids have a definite volume but take the shape of their container. Gases have no definite shape or volume. It also describes physical and chemical changes, where physical changes alter the state or shape of a substance without changing its composition, and chemical changes form new substances. Mixtures are defined as containing two or more substances, and can be either heterogeneous, where the substances are visibly distinct, or homogeneous, where they are not.

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BY BRENDA AND ELENA
SOLIDS  THEY HAVE A DEFINITE SHAPE AND A DEFINITE VOLUME BECAUSE THEY TAKE UP THE SAME SPACE.
LIQUIDS  LIQUIDS 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.
GASES  GASES 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.
CHANGES IN MATTER  PHYSICAL 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.
CHEMICAL CHANGES  A CHEMICAL CHANGE IS WHEN A NEW SUBSTANCE IS PRODUCED.  CHEMICAL CHANGES CAN HAPPEN WHEN WE BURN A SUBTANCE OR EXPOSE A SUBTANCE TO AIR.
MIXTURES  A 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.
HETEROGENOUS  IN A HETEROGENEOUS MIXTURE IT IS EASY TO SEE THE DIFERENTS SUBSTANCES.
HOMOGENEOUS  IN A HOMOGENEOUS MIXTURE IT IS DIFFICULT TO SEE THE DIFERENT SUBTANCES.
Elena and brenda

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Elena and brenda

  • 2. SOLIDS  THEY HAVE A DEFINITE SHAPE AND A DEFINITE VOLUME BECAUSE THEY TAKE UP THE SAME SPACE.
  • 3. LIQUIDS  LIQUIDS 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.
  • 4. GASES  GASES 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.
  • 5. CHANGES IN MATTER  PHYSICAL 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.
  • 6. CHEMICAL CHANGES  A CHEMICAL CHANGE IS WHEN A NEW SUBSTANCE IS PRODUCED.  CHEMICAL CHANGES CAN HAPPEN WHEN WE BURN A SUBTANCE OR EXPOSE A SUBTANCE TO AIR.
  • 7. MIXTURES  A 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.
  • 8. HETEROGENOUS  IN A HETEROGENEOUS MIXTURE IT IS EASY TO SEE THE DIFERENTS SUBSTANCES.
  • 9. HOMOGENEOUS  IN A HOMOGENEOUS MIXTURE IT IS DIFFICULT TO SEE THE DIFERENT SUBTANCES.