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Science

Published on Nov 23, 2015

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PRESENTATION OUTLINE

1.

MATTER

  • Anything that has mass and takes up space.
Photo by Glenn Waters ぐれんin Japan.
2.

ELEMENT

  • A substance that cannot be broken separated or broken down into simpler substances by chemical means.
Photo by Jason A. Samfield
3.

ATOM

  • The smallest unit of an element
Photo by Sergiu Bacioiu
4.

MOLECULE

  • A group of atoms that are held together by chemicals forces
Photo by InSapphoWeTrust
5.

COMPOUND

  • A substance made up of atoms of two or more different elements
  • Joined by chemical bonds
Photo by Sergiu Bacioiu
6.

PURE SUBSTANCE

  • A sample of matter either a single element or a single compound that has definite
  • Chemical and physical properties
Photo by Jason A. Samfield
7.

MIXTURE

  • A combination of two or more substances that are not chemically combined
Photo by Premshree Pillai
8.

HOMOGENOUS MIXTURE

  • The components are evenly distributed
Photo by bitjungle
9.

HETEROGENOUS MIXTURE

  • The components are not evenly distributed
Photo by ellajphillips

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