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5 Written questions

5 Matching questions

  1. meteor
  2. period
  3. condensation
  4. radiation zone
  5. solvent
  1. a the part of the sun right after the core
  2. b change of state from gas to a liquid
  3. c horizontal rows in the periodic table
  4. d the part of a solution present in the largest amount and that dissolves other substances
  5. e a chunk of burning rock traveling through Earth's atmosphere

5 Multiple choice questions

  1. the way in which acids react with some metals so as to eat away the metal
  2. what two forces keep objects in orbit? (in alphabetical order)
  3. a covalent bond where 1 atom attracts the electron pair more than the other one
  4. mercury, venus, earth, mars...what are they?
  5. the force exerted on a surface divided by the total surface area over which the force is exerted (acts in ALL directions)

5 True/False questions

  1. energya huge cloud of dust and gas from which stars form


  2. groupvertical rows in the periodic table


  3. fluidthe unit used to measure the mass of subatomic particles (abbreviation)


  4. amua=f/m (number of Newton's law)


  5. evaporationchange of state from liquid to gas at a temperature below the boiling point