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5 Written questions

5 Matching questions

  1. hotter
  2. rotation
  3. four
  4. unconformity
  5. mantle
  1. a ____________ is the spinning motion of a planet.
  2. b The Earth has _______ layers.
  3. c As you go toward the center of the Earth, the ________ the temperature becomes.
  4. d The Earth's periods are separated from one another by what is called ____________ which is either a physical or biological event such as mountain building or the extinction of a species.
  5. e The __________ is the layer beneath the crust. It is made of solid rock.

5 Multiple choice questions

  1. The Earth's axis is ________.
  2. Earthquakes are caused by the __________ of the crustal plates.
  3. __________ is molten or liquid rock. The rock cycle begins with magma beneath the surface of the earth.
  4. ____________ is the process by which rock is broken down into sediment by chemical and mechanical reactions, wind and water.
  5. The ___________________ is the layer beneath the mantle. It is made of melted metal.

5 True/False questions

  1. igneousThe Earth has _______ layers.


  2. crustThe __________ is the outer layer of the Earth. It is made of igneous, sedimentary and metamorphic rocks.


  3. 4.6The Earth rotates once every _______ hours, the length of a day and night.


  4. 365One revolution of the Earth around the sun determines the length of a year, approximately ______ days.


  5. periodsThe Earth's history is divided into eras. Each era is divided into __________.


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