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5 Written questions

5 Matching questions

  1. rotation
  2. plate tectonics
  3. 365
  4. lava
  5. Magma
  1. a The Earth's crust is made of plates of rock that "float" on the molten layers. ________________ is the theory that the crustal plates move very slowly on the mantle.
  2. b ____________ is the spinning motion of a planet.
  3. c Volcanoes are mountains formed by the accumulation of material forced from the Earth's interior onto its surface. Flowing magma on the surface of a planet is called ______.
  4. d __________ is molten or liquid rock. The rock cycle begins with magma beneath the surface of the earth.
  5. e One revolution of the Earth around the sun determines the length of a year, approximately ______ days.

5 Multiple choice questions

  1. When magma cools it turns into __________ rock.
  2. The ___________________ is the layer beneath the mantle. It is made of melted metal.
  3. The __________ is the layer beneath the crust. It is made of solid rock.
  4. _____________ rock is formed by the weathering down of igneous rock.
  5. The remains of ancient plants and animals are called ________________.

5 True/False questions

  1. fourThe Earth has _______ layers.

          

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

          

  3. shiftingEarthquakes are caused by the __________ of the crustal plates.

          

  4. movingEarthquakes and volcanoes are evidence that the Earth is constantly ___________ from within.

          

  5. revolution______________ is the orbit a planet makes around the sun.