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Chapter 7, Lesson 1Earth’s Changing Crust             fault          geologist           magma             lava         we...
fault – a crack in the Earth’s             crust
geologist – scientists who       study Earth
magma – hot, molten rockbeneath the earth’s surface
lava – magma that reaches    the earth’s surface
weathering – the breaking down     of the materials of the earth’s                 crustClick on this picture to exploredi...
erosion – is the picking up and  carrying away of weathered        pieces of earth
deposition – the dropping of        bits of rock
surveyor – people who  measure the earth
elevation – the height of land        above sea level
seismograph – a device used tomeasure vibrations of the Earth’s             crust
tension – stretches or pulls the      Earth’s crust apart
compression – squeezes orpushed the Earth’s crust together
shear – twists, tears, or pushes one   part of the crust past another
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Chapter 7, Lesson 1- Earth's Changing Crust

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Chapter 7, Lesson 1- Earth's Changing Crust

  1. 1. Chapter 7, Lesson 1Earth’s Changing Crust fault geologist magma lava weathering erosion deposition surveyor elevation seismograph tension compression shear
  2. 2. fault – a crack in the Earth’s crust
  3. 3. geologist – scientists who study Earth
  4. 4. magma – hot, molten rockbeneath the earth’s surface
  5. 5. lava – magma that reaches the earth’s surface
  6. 6. weathering – the breaking down of the materials of the earth’s crustClick on this picture to exploredifferent types of weathering.
  7. 7. erosion – is the picking up and carrying away of weathered pieces of earth
  8. 8. deposition – the dropping of bits of rock
  9. 9. surveyor – people who measure the earth
  10. 10. elevation – the height of land above sea level
  11. 11. seismograph – a device used tomeasure vibrations of the Earth’s crust
  12. 12. tension – stretches or pulls the Earth’s crust apart
  13. 13. compression – squeezes orpushed the Earth’s crust together
  14. 14. shear – twists, tears, or pushes one part of the crust past another

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