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Review Chapter 3 – Earth’s Structure. Name: _______________________________. Period: _______. Label Figure 1with A, B, etc..by selecting from the list below. _______. _______. Mantle Mesosphere Core Lithosphere Crust Asthenosphere. _______. _______. _______. _______. Figure 1.
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Review Chapter 3 – Earth’s Structure Name: _______________________________ Period: _______ • Label Figure 1with A, B, etc..by selecting from the list below. _______ _______ • Mantle • Mesosphere • Core • Lithosphere • Crust • Asthenosphere _______ _______ _______ _______ Figure 1 • What changes occur with depth into the Earth? ________________________________________________________________________________________________________________________________________________ • What metals are present in the Core? __________________________________________________________________________________________________________________________________________________ • In the outer, liquid layer of the Core circulation of this metal believed to create Earth’s magnetic field (circle the correct answer). A. Iron B. Nickel C. magma D. Silicate • The outer Core remains liquid due to the (circle the correct answer). A. temperature B. corn starch C. pressure D. water content
The asthenosphere moves because of heat transfer by ___________________________ that sets up currents. • Describe the asthenosphere’s physical properties: ______________________________________________________________________________________________________________________________________________________ • Describe the mesosphere physical properties: _________________________________________________________________________________________________________________________________________________________________________________________________________________________________ • What metal is abundant in the Crust? ___________________________________ • Silicates are abundant in the Crust and are compounds made up of silicon, _______________, and another element. • Which layer makes up 82% of the Earth’s volume? (circle the correct answer): A. crust B. mantle C. core D. lithosphere • Describe the lithosphere, what layers of the Earth does it contain? _________________________________________________________________________________________________________________________________________________________________________________________________________________________________ • How does Oceanic Crust differ from Continental Crust? _________________________________________________________________________________________________________________________________________________________________________________________________________________________________ • From which layer of the Earth does the “magma” that feeds volcanoes come? (circle the correct answer): A. asthenosphere B. mantle C. core D. lithosphere • The study of earthquakes and seismic waves that move through and around the earth is called __________________________________.
What type of seismic wave is shown below? _________________________________ • What type of seismic wave is shown below? _________________________________ • When a wave passes from one media into another encountering a change in density and is bent (changes direction). This property is called: __________________________________________________________________________ • A person who travels to exotic places and blows things up while researching P & S waves is called? ___________________________________________________________________________ • The energy released by an earthquake is sensed and recorded by this instrument _____________________________________________________________________
Core • What is happening to the S waves shown below and what does this tell us about the outer layer of the Earth’s core? _________________________________________________________________________________________________________________________________________________________________________________________________________________________________ • The “Moho” is the chemical boundary between which 2 layers of the Earth? ______________________________________________________________________________________________________________________________________________________ • What was the significant outcome of the Molehole Project? ___________________________________________________________________________ • A shadow zone that occurs during an eatthquake is a region on the Earth’s surface where (circle the correct answer): A. light is not detected B. only P waves are detected C. only S waves are detected D. no seismic waves are detected.