Unit Assessment

4 points

1. Which of the following statements is TRUE?Answer  P waves travel through solids, but S waves do not. P and S waves travel through liquids, but P waves do not travel through solids. S waves travel through solids only, and P waves travel through liquids and solids. P and S waves travel through liquids, but S waves do not travel through solids.

   4 points

   Question 3
   1. When an earthquake occurs, energy radiates in all directions from its source. The source is often referred to as the:Answer  inertial point. epicenter. focus. seismic zone.

      4 points

      Question 4
      1. The continental drift hypothesis was initially rejected primarily because Alfred Wegener could not:Answer  find geologic similarities on different continents. disprove competing theories that were more accepted by scientists. identify a mechanism capable of moving continents. afford to publish his ideas.

         4 points

         Question 5
         1. What type of geological event has generated many mountain belts such as the Alps, Urals, and Appalachians?Answer  Deformation Tensional stress Folds Continental collisions

            4 points

            Question 6
            1. At deep ocean ridges, sediments are:Answer  almost entirely absent. very thick. very old. mostly limestone.

               4 points

               Question 7
               1. Fault boundaries occur when __________ plates slide past one another horizontally.Answer  transform convergent divergent colliding

                  4 points

                  Question 8
                  1. Cooler, older, oceanic lithosphere sinks into the mantle at:Answer  subduction zones along convergent plate boundaries. transform fault zones along divergent plate boundaries. rift zones along mid-ocean ridges. sites of long-lived, hot spot volcanism in the ocean basins.

                     4 points

                     Question 9
                     1. The Black Hills of South Dakota are a good example of:Answer  an anticline. a syncline. a basin. a dome.

                        4 points

                        Question 11
                        1. At one time it was thought that the deep-ocean trenches at subduction zones would be a good place for disposal of high-level radioactive waste. Why is this not a good idea? Explain what can happen at a subduction zone and what might occur if the waste were buried there. (Hint: see oceanic-continental convergence.)Answer  Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Content EditorUse arrow keys to select functionsBoldItalicUnderline -- Font family --Andale MonoArialArial BlackBook AntiquaComic Sans MSCourier NewGeorgiaHelveticaImpactSymbolTahomaTerminalTimes New RomanTrebuchet MSVerdanaWebdingsWingdingsFont family -- Font size --1 (8pt)2 (10pt)3 (12pt)4 (14pt)5 (18pt)6 (24pt)7 (36pt)Font size Text Color  ▼ Bullet List▼ Number List▼ Toggle Spell Checker▼ Insert/Edit LinkRemove LinkBoldItalicUnderlineStrikethrough -- Format --HeadingSub Heading 1Sub Heading 2ParagraphFormatted CodeFormat -- Font family --Font family -- Font size --Font size Bullet List Number List Text Color  ▼ Highlight  ▼ Remove FormattingCutCopyPasteFind UndoRedo Align LeftAlign CenterAlign RightAlign Full IndentOutdent SuperscriptSubscript Insert/Edit LinkRemove Link Direction Left to RightDirection Right to Left LineHorizontal RuleInsert Nonbreaking Space Character Toggle Spell CheckerRecord from WebcamLaunch Math Editor Insert Mashup▼ Show Nonprinting CharactersBlockquoteSymbolEmotionsAnchor Insert/Edit TableTable Row PropertiesTable Cell PropertiesInsert Row BeforeInsert Row AfterDelete RowInsert Column BeforeInsert Column AfterDelete ColumnMerge Table CellsSplit Merged Table Cells HTML Code ViewEdit CSS StylePreviewHelpFull ScreenShow MorePath: Words:0

                           30 points

                           Question 12
                           1. How does the plate tectonics theory help explain the existence of fossilized marine life in rocks atop the Ural Mountains? Be sure to include a description of the specific process(es).Answer  Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Content EditorUse arrow keys to select functionsBoldItalicUnderline -- Font family --Andale MonoArialArial BlackBook AntiquaComic Sans MSCourier NewGeorgiaHelveticaImpactSymbolTahomaTerminalTimes New RomanTrebuchet MSVerdanaWebdingsWingdingsFont family -- Font size --1 (8pt)2 (10pt)3 (12pt)4 (14pt)5 (18pt)6 (24pt)7 (36pt)Font size Text Color  ▼ Bullet List▼ Number List▼ Toggle Spell Checker▼ Insert/Edit LinkRemove LinkBoldItalicUnderlineStrikethrough -- Format --HeadingSub Heading 1Sub Heading 2ParagraphFormatted CodeFormat -- Font family --Font family -- Font size --Font size Bullet List Number List Text Color  ▼ Highlight  ▼ Remove FormattingCutCopyPasteFind UndoRedo Align LeftAlign CenterAlign RightAlign Full IndentOutdent SuperscriptSubscript Insert/Edit LinkRemove Link Direction Left to RightDirection Right to Left LineHorizontal RuleInsert Nonbreaking Space Character Toggle Spell CheckerRecord from WebcamLaunch Math Editor Insert Mashup▼ Show Nonprinting CharactersBlockquoteSymbolEmotionsAnchor Insert/Edit TableTable Row PropertiesTable Cell PropertiesInsert Row BeforeInsert Row AfterDelete RowInsert Column BeforeInsert Column AfterDelete ColumnMerge Table CellsSplit Merged Table Cells HTML Code ViewEdit CSS StylePreviewHelpFull ScreenShow MorePath: Words:0