Lesson 7:

Defining Matter



Matter is everything around you. Atoms and molecules are all composed of matter. Matter is anything that has mass and takes up space. Even though matter can be found all over the universe, you will only find it in a few forms on earth. In this lesson, you will learn all about matter!


 
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In this lesson, you will:

  • learn how to define various types of matter
  • learn that all matter is made up of atoms and molecules
  • learn about pure substances and mixtures
  • learn about metals and non-metals



Key terms for this lesson:

  • matter
  • atom
  • molecule
  • element
  • solution
  • mixture
  • pure substance
  • mechanical mixture
  • metals
  • non-metals
  • metalloid
  • colloid
  • malleable
  • suspension
  • ductile