Earth Structure Vocabulary

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Across
  1. 2. hot, melted rock located beneath Earth's surface
  2. 4. measurement of the amount of matter in a particular amount of space; calculated by dividing mass by volume
  3. 5. rigid outer portion of Earth which consists of crust and upper solid portion of the mantle
  4. 6. vibrations generated by an earthquake
  5. 9. portion of Earth's core believed to be liquid
  6. 10. melted
  7. 11. process by which small parts are drawn together to form a larger whole
  8. 13. instrument used to record and measure earthquake activity
  9. 16. crust material that supports an ocean basin or other large body of water
  10. 17. currents in Earth's mantle which transfer heat from Earth's interior
Down
  1. 1. portion of Earth's core believed to be solid due to intense gravitational force
  2. 3. portion of Earth's mantle in which convection currents cause magma to circulate
  3. 7. crust material that supports a continent or other large landmass
  4. 8. innermost layer of Earth; hottest layer of Earth
  5. 10. middle layer of Earth; source of magma
  6. 12. scientist who studies earthquakes and other large Earth movements
  7. 14. process by which radioactive isotopes break down into other particles; results in the release of large amounts of heat
  8. 15. outermost layer of Earth; coolest layer of Earth; thinnest layer of Earth