matter review

what is a SUBSTANCE

• type of matter with a fixed composition that

  cannot be separated by physical means

• A substance is a type of element that has a definite composition and distinct properties.
• A substance is a type of energy that has a definite composition and distinct properties.
• A substance is a type of matter that has an indefinite composition and indistinct properties.

What is an ELEMENT

• An element is a type of atom.
• An element is a compound made up of multiple substances.
• substance made up of atoms with same identity

• An element is a form of energy.

Elements examples

• gold

• helium

• aluminum

• silver

what is an COMPOUND

• pizza

• gold, helium, aluminum

• atoms of two or more elements combined

• a mixture

Tags

NGSS.MS-PS1-1

what are examples of compounds

• water (H₂0)

• carbon dioxide (CO₂₎

• apple juice

• aluminum

Tags

NGSS.MS-PS1-1

What is a MIXTURE

• materials made of two or more substances that can

  separated by physical means

• atoms of two or more elements combined

• substance made up of atoms with same identity

• type of matter with a fixed composition that

  cannot be separated by physical means

what is a heterogeneous mixture

• type of matter with a fixed composition that

  cannot be separated by physical means

• atoms of two or more elements combined

• mixture in which different materials can be

  easily distinguished

• substance made up of atoms with same identity

what are examples of heterogeneous mixtures

• pasta

• pizza

• fruit salad

• granite

what is a homogeneous mixture

• atoms of two or more elements combined

• mixture in which two or more substances are

  uniformly spread out

• mixture in which different materials can be

  easily distinguished

• type of matter with a fixed composition that

  cannot be separated by physical means

examples of homogeneous mixtures

• salt water

• Vinegar

• water

• carbon dioxide