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5 Written questions

5 Matching questions

  1. elements
  2. law of conservation of mass
  3. temperature
  4. acid
  5. atoms
  1. a a measure of how hot or cold something is
  2. b any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
  3. c a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
  4. d a molecule composed of one kind of atom; cannot be broken into simpler units by chemical reactions.
  5. e the smallest unit of matter that has the characteristics of an element; consists of three main types of subatomic particles: protons neutrons and electrons.

5 Multiple choice questions

  1. a body of matter without definite shape
  2. the amount per unit size
  3. is a substance that takes a shape of it contaner.
  4. a table of elements
  5. on the left

5 True/False questions

  1. chemical changea change from one state (solid or liquid or gas) to another without a change in chemical composition

          

  2. solidany of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

          

  3. compoundson the left

          

  4. basethe state of matter distinguished from the solid and liquid states by: relatively low density and viscosity

          

  5. mixturesmade of two or more substances (elements, compounds, or both) that are combined