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Layers of the Earth Review Do not depend on this as your only form of review…not all information is contained in the sli

Layers of the Earth Review Do not depend on this as your only form of review…not all information is contained in the slide show!. The thinnest layer of the Earth is____________. . The Crust. The crust is made of _________________ . Rock, Sand and Soil.

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Layers of the Earth Review Do not depend on this as your only form of review…not all information is contained in the sli

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  1. Layers of the Earth ReviewDo not depend on this as your only form of review…not all information is contained in the slide show!

  2. The thinnest layer of the Earth is____________. The Crust

  3. The crust is made of _________________ . Rock, Sand and Soil

  4. The two types of crust are __________ and ________ crust. Continental Oceanic

  5. Oceanic Crust is made mostly of the dark, fine rock __________. Basalt

  6. Continental Crust is made mostly of the light , coarse rock __________. Granite

  7. Ocean crust is much __________than continental crust. Denser

  8. Ocean crust is much denser than continental crust, however it is also much ____________ than continental crust. thinner

  9. The crust that is found on the continents and at the beginning of the oceans (the continental shelf) is ________________. Continental Crust

  10. Continental crust is made of mostly _________________rock. Granite

  11. Continental crust is much ________than oceanic crust. thicker

  12. Continental crust is much thicker than oceanic crust, however it is ____________ less dense

  13. All life on Earth exists on or within a few hundred meters of the __________. Crust

  14. How do scientists study the Earth? They use indirect observation

  15. The instrument used to record the two types of waves that penetrate the Earth’s interior and then return to the surface is a __________. seismograph

  16. Two types of seismic waves are _____________ and _____________. S-waves S-waves P-waves

  17. _____________do not move well through liquid. P- waves

  18. The inner core of the Earth is made of _________ and ________. iron nickel

  19. The inner core is a solid due to the enormous __________ from the layers above it. pressure

  20. The temperature of the inner core ranges from about 7000 degrees fahreinheit to 9000 degrees fahreinheit

  21. A very thin layer called the __________________separates the mantle and the core. Gutenberg Discontinuity

  22. The main layer above the outer core is the _________. mantle

  23. A very thin layer called the ______________ separates the mantle and the crust. The Moho

  24. The central part of the mantle is considered to be the ___________. Asthenosphere

  25. The asthenosphere has the ability to _________ and has the property of __________. flow Plasticity

  26. Asthenes means ______in Greek! weak

  27. ____________,__________ and_________ increase as you go deeper into the mantle. pressure, temperature and density

  28. The lithosphere is made up of the ___________ and the _______. upper mantle crust

  29. Geologists have used two main types of evidence to learn about Earth’s interior: __________ and ____________________. direct evidence indirect evidence

  30. Studying rock samples is an example of ___________. direct evidence

  31. Studying seismic waves is an example of ______________. indirect evidence

  32. Litho is Greek means _________or ________________. rock stone

  33. Liquid rock outside the Earth is called _____________. lava

  34. Rocks are classified as either ___________, ______________ or ___________________ rocks. sedimentary igneous metamorphic

  35. The ________ is made of soil, sand and rock. lithosphere

  36. The ________ sphere is where all the water is found on Earth. hydrosphere

  37. The ________ is the envelope of gasses that surrounds the Earth. atmosphere

  38. Scientists think that movements in the liquid outer core create Earth’s ___________ that surrounds the planet. magnetic field

  39. What are the segments of the Earth’s crust that are moving called? Plates

  40. What is liquid rock that hardens inside the Earth called? Magma

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