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5 Written questions

5 Matching questions

  1. deposition
  2. organic rock
  3. lava
  4. mineral
  5. fossil
  1. a a naturally formed, inorganic solid with a crystal structure and a definite chemical composition
  2. b magma that flows onto the Earth's surface
  3. c any naturally preserved evidence of life
  4. d Sedimentary rock that forms from remains of organisms deposited in thick layers
  5. e the process by which sediment settles out of the water or wind that is carrying it

5 Multiple choice questions

  1. wind, water, ice, sunlight, and gravity all cause rock to break into fragments
  2. scale ranking 10 minerals from softest to hardest; used in testing the hardness of minerals
  3. rock that forms when the texture and composition of preexisting rock changes due to heat and/or pressure
  4. rock that forms when sediments are compacted and cemented together
  5. the tendency of a mineral to break along curved or irregular surfaces

5 True/False questions

  1. magmathe hot liquid that forms when rock partially or completely melts, located inside the Earth


  2. rock cyclethe process by which one rock type changes into another rock type


  3. compactionthe process by which dissolved minerals crystallize and glue particles of sediment together into one mass


  4. texturethe tendency of a mineral to break along curved or irregular surfaces


  5. sedimentsmall solid pieces of material that come from rocks or organisms