Fash Cars r Chapter 7 Earth Science Chapter 7 - Heat Insie Earth - Quiz Questins (#1- #5) Frnt - Questin Back - Answer Q1-1: is Earth s raius in kimeters? Mies? ( 1km = 0.62 mies) A1-1: 6,400 km... r... 3,968 mies Q1-2: Answer these questins abut vibratins that trave thrugh the earth: a.) What are these vibratins cae? b.) What causes them? c.) What have these vibratins reveae abut Earth s interir? A1-2: a. seismic waves b. earthquakes & human basts c. That the uter cre must be iqui. Q1-3: What is a seismgist? A1-3: A scientist wh etects an interprets grun vibratins at ierent catins n the Earth's surace. Q1-4: During wave mtin, what mves rm ne pace t anther? A1-4: A isturbance ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (1 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q1-5: What are the tw genera types wave mtin escribe in this sectin? A1-5: a) sie t sie; an, b) back an rth Q1-6: Give three acts abut each type wave. A1-6: P-waves: 1) aster than S; 2) back & rth mtin; 3) trave thrugh a materias. S- waves: 1) swer than P-waves; 2) sie t sie mtin; 3) cannt trave thrugh iquis Q1-7: P-waves trave at 5 km/sec an S- waves trave at 3 km/sec. A seismic statin is cate 30 km rm where an earthquake ccurre. (a). Hw many secns wu it take r the P-waves t reach the statin? (b.) Hw many secns wu it take r the S- waves t reach the statin? A1-7: a) 6 secns b) 10 secns Q1-8: What can happen t seismic waves as they trave thrugh the Earth? A1-8: Seismic waves can be bent, swe wn, spe up, r bunce epening n the materia they encunter. Q1-9: What are S-shaws? Create a iagram an expain it. A1-9: Regins where scientists cannt etect S-waves. They cannt pass thrugh iquis. ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (2 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q1-10: What S-shaws te us abut the interir Earth? A1-10: The Earth's uter cre is iqui. Q2-1: Diagrams Earth s interir shw three ayers. Name the 3 ayers. A2-1: crust, mante, & cre Q2-2: Use the iagram n page 145 t hep yu answer the wing questins. (a.) What ayes cmpse Earth s cre? (b.) The upper mante an crust make up which ayer Earth s interir? (c.) What is the name the thickest ayer Earth s interir? A2-2: a) inner & uter cre; b) ithsphere; c) wer mante Q2-3: Hw thick is the uter cre in kimeters? A2-3: 2,200 km Q2-4: Which is thicker ceanic crust r cntinenta crust? A2-4: cntinenta crust ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (3 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q2-5: Is the crust britte? (Yes r N). Why is this? D earthquakes ccur in the crust? A2-5: Yes, because it is mae ce rck. Earthquakes ccur in the crust. Q2-6: Pates that mve abut Earth s surace are pieces. A2-6: ithsphere Q2-7: What is the aesthensphere an why is it imprtant? A2-7: It is mae up the wer mante & is the sippery surace atp which the ithspheric pates mve. Q2-8: What materia makes up mst the uter cre? Is it si r iqui? Why? A2-8: mten irn -- iqui ue t the high temperature Q2-9: What materia makes up mst the inner cre? Is it si r iqui? Why? A2-9: si irn ue t high pressure ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (4 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q2-10: What very imprtant prcess happens in the uter cre? Why is it imprtant? A2-10: The mvement iqui irn in the uter cre creates eectric currents an rms a magnetic ie arun Earth. This ie shies us rm harmu sar raiatin. Q3-1: Expain hw the yung Earth separate int ayers. Use the term ensity in yur answer. A3-1: Heavier materias sank an rme the cre. Lighter materias rse t the surace, ce & harene int crust. Q3-2: Draw a simpiie iagram Earth s interir: a.) Inicate where n the iagram yu wu in auminum & siicn & irn. b.) Using the wing ensity vaues (A-2.7, Si- 2.3, Fe-7.9, H 2 O-1.0) t expain why water ats n the earth s surace. c.) Hw es the ensity the mante cmpare t ensities the crust & cre? A3-2: a) A & Si n the crust, Fe in the cre; b) water is ess ense; c) ess ense than the mante an mre ense than the crust Q3-3: What kin rck makes up the cean r? A3-3: basat Q3-4: What kin rck makes up the cntinents? A3-4: granite ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (5 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q3-5: Can rcks at? Expain. A3-5: Yes -- epens n ensity Q3-6: What might happen t a muntain that wu cause the crust t at higher in the mante? A3-6: Muntains weigh a t an push the crust wn. When they ere, they becme ighter an the crust ats higher. Q3-7: What might happen t a gacier that wu cause the crust t at higher in the mante? A3-7: Gaciers weigh a t an push the crust wn. As they met they weigh ess an s the crust ats higher. Q3-8: What prcess rives the ithspheric pates acrss the surace the earth? Draw a iagram this prcess. A3-8: Cnvectin currents mten rck in the mante rive the pates acrss the Earth's surace. Q3-9: What is seismic tmgraphy? A3-9: seismic waves aw us t get a 3-D image Earth's interir. ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (6 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q3-10: Hw is a CAT scan ike seismic tmgraphy? A3-10: A CAT scan uses x-rays t get a 3-D image insie the human by. Seismic tmgraphy uses seismic waves t get a 3-D image the interir Earth. Q4-1: Seismic waves that nt pass thrugh iquis. A4-1: S-waves Q4-2: A scientist that etects an interprets seismic waves. A4-2: seismgist Q4-3: Vibratins that trave thrugh Earth. A4-3: seismic waves Q4-4: Frwar-an-backwar seismic waves. A4-4: P-waves ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (7 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q4-5: Sie-t-sie seismic waves. A4-5: S-waves Q4-6: Largest part Earth s interir that is mae rck. A4-6: mante Q4-7: The inner irn-cntaining ayer Earth. A4-7: cre Q4-8: Makes up pates that mve abut Earth s surace. (Crust & upper mante) A4-8: ithsphere Q4-9: Outermst surace Earth. A4-9: crust ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (8 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q4-10: Yu can create an up-an-wn wave by wigging a jump rpe. What traves rm ne pace t anther uring wave mtin? What stays in pace? A4-10: energy traves, the jump rpe stays in pace Q4-11: Fr each these statements write either P-wave r S-wave: a. Traves thrugh a materia -- b. Des NOT trave in iquis -- c. Frwar-an-backwar mtin. Sie-t-sie mtin -- e. Swer --. Faster A4-11: a) p-wave; b) s-wave; c) p- wave; ) s-wave; e) s-wave; ) p-wave Q4-12: What causes the Earth s magnetic ie? Why is the magnetic ie imprtant? A4-12: Pweru eectric currents rme by the mtin iqui irn in the uter cre. This shie us rm the sun's harmu raiatin. Q4-13: Why isn t the inner cre a iqui ike the uter cre? A4-13: Meting a si epens n pressure an temperature. Athugh the temperature is very high, s is the pressure -- keeping it a si. Q4-14: What are the ierences between cntinenta & ceanic crust? A4-14: Cntinenta crust is thicker at 30km & mae msty granite. Oceanic crust is thinner at 5km eep, is mae basat, & is enser. ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (9 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q4-15: What yu think wu happen i there were n cnvectin in Earth s mante? A4-15: Fewer r n muntains, n earthquakes & n vcanes Q4-16: Te why these events in Jues Verne s stry, Jurney t the Center the Earth, are NOT pssibe: a.) Entere Earth thrugh an pening in a vcan. b.) Cimbe wn thrugh many strange chambers. c.) Crsse an cean at the center Earth..) Escape t the surace by riing a vcanic eruptin. A4-16: a) Bgus -- the gases wu ki yu; b) Pssibe, but the heat wu ki yu; c) bgus -- the heat wu vaprize water (at 212 egrees F); ) The ava wu met yur escape p & yu wu ie. Q5-1: Authr Jurney t the Center the Earth. Lts scientiic inaccuracies but it i get pepe intereste in science. A5-1: Jues Verne Q5-2: Vibratins that trave thrugh Earth an are cause by events ike earthquakes r human-mae basts. A5-2: seismic waves Q5-3: A scientist wh etects an interprets seismic waves. A5-3: seismgist ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (10 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q5-4: A mvement that begins in ne catin an sets things in mtin arther away. A5-4: isturbance Q5-5: Fast rwar-an-backwar seismic waves A5-5: P-waves Q5-6: Swer sie-t-sie seismic waves A5-6: S-waves Q5-7: The utermst surace the earth A5-7: crust Q5-8: The warm, st enugh t w, si ayer Earth between the crust an the cre A5-8: mante ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (11 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q5-9: The center the Earth, ivie int inner an uter ayers. A5-9: cre Q5-10: An area that bcks s-waves rm passing thrugh A5-10: S-shaw Q5-11: A ayer Earth that incues the crust an upper mante A5-11: ithsphere Q5-12: The utermst part the wer mante. A sushy, sippery zne that aws ithspheric pates t sie. A5-12: aesthensphere Q5-13: An upweing mante materia heate by the cre that rces tectnic pates t mve acrss Earth's surace. A5-13: pume ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (12 13) [11/22/2010 6:16:49 PM]
Fash Cars r Chapter 7 Q5-14: The use seismic waves t get a 3-D view Earth's interir. A5-14: seismic tmgraphy Q5-15: A bunary between Earth's crust an the upper mante. A5-15: (Mh) Mhrvivic iscntinuity Q5-16: The transer heat thrugh iquis & gases A5-16: cnvectin Q5-17: Mass an bject ivie by its vume A5-17: ensity ie:///e /BueHst3_22_09/16_StGuies/es-ch7/ch7-quizash-questins.htm (13 13) [11/22/2010 6:16:49 PM]