2. $500 We learn about the core of the earth by A – digging deep into the earth. B – studying earthquake waves. C – studying X-rays of the earth. D – observing volcanoes
3. B – studying earthquake waves. ARE YOU READY TO PLAY FOR THE $1000 QUESTION?
4. $1,000 The earth has two kinds of crusts, they are A – sea floor and continental. B – continental and oceanic. C – ocean plates and mountain plates. D – lithospheric and oceanic
5. B – continental and oceanic NOW LET’S TRY THE $2,000 QUESTION!
6. $2,000 The outer core of the earth is composed mostly of A – liquid nickel B – solid nickel C – liquid iron D – solid iron
7. C – liquid iron NOW LET’S TRY THE $5,000 QUESTION!
8. $5,000 The soft layer of the mantle on which the lithosphere floats is the A – inner core B – outer core C – crust D – asthenosphere
18. $1,000,000 When two plates with continental crust on the boundaries collide they most often form A – volcanoes B – new continental crust C – non-volcanic mountain ranges D – ocean trenches
19. C – non-volcanic mountain ranges Congratulations! You just won a million dollars!
21. $500 Volcanic eruptions can sometimes be predicted by A – changes in animal behavior B – changes in area climate C – earthquake activity D – subduction zone activity
22. C – earthquake activity NOW LET’S TRY THE $1,000 QUESTION!
23. $1,000 The theory of continental drift was developed by A – Isaac Newton B – William Oort C – Charles Richter D – Alfred Wegener
24. D - Alfred Wegener NOW LET’S TRY THE $2,000 QUESTION!
25. $2,000 Mid-ocean ridges are a result of A – subuction B – convergent boundaries C – divergent boundaries D – plate collisions
27. $5000 The tectonic plates of the earth move because of A – mountains pushing on each other B – convection currents in the mantle C – convection currents within the oceans D – gravitational pull of the sun.
28. B – convection currents in the mantle NOW LET’S TRY THE $10,000 QUESTION!
29. $10,000 When plates are moving apart they often for a feature called a A – trench B – tectonic plate C – river valley D – rift valley
30. D – rift valley NOW LET’S TRY THE $25,000 QUESTION!
31. $25,000 250 million years ago, all the earth’s continents formed one land mass called A – Gondwanaland B – Laurasia C – Pangaea D – Tethys
32. C - Pangaea NOW LET’S TRY THE $100,000 QUESTION!
33. $100,000 The largest plate on Earth is the A – Cocos plate B – Pacific plate C – North American plate D – South American plate
34. B – Pacific plate NOW LET’S TRY THE $500,000 QUESTION!
35. $500,000 According to plate tectonic theory, South America was once connected to A – Australia B – India C – Eurasia D – Africa
36. D - Africa NOW LET’S TRY THE $1,000,000 QUESTION!
37. $1,000,000 The process of the ocean floor plunging back into the earth’s interior is called A – subduction B – earthquakes C – convection D – compression
38. A - subduction Congratulations you just won THE 1,000,000 QUESTION!
40. $500 Erosion is A – the breakdown of material on the earth’s surface. B – Carrying sediment to a new location C – Leaving sediment at a new location D – All of the above
41. B – Carrying sediment to a new location NOW LET’S TRY THE $1000 QUESTION!
42. $1,000 Volcanoes often form A – in subduction zones B – around the Ring of Fire C – at hot spots D – All of the above
43. D – All of the above NOW LET’S TRY THE $2,000 QUESTION!
44. $2,000 Sea floor spreading is a result of A – subduction zones B – convergent boundaries C – divergent boundaries D – compression
45. C – Divergent boundaries NOW LET’S TRY THE $5,000 QUESTION!
46. $5,000 An example of chemical weathering is A – acid dissolving rocks B – root pry C – ice wedging D – abrasion
47. A – Acid dissolving rocks NOW LET’S TRY THE $10,000 QUESTION!
48. $10,000 If you walk on rocks and break them, this is a form of A – chemical weathering B – physical weathering C – pressure release D – All of the above
49. B – Physical weathering NOW LET’S TRY THE $25,000 QUESTION!
50. $25,000 Which of the following does not affect the rate of weathering? A – type of material that is being weathered. B – The climate of an area. C – The amount of air pollution in an area. D – Number of mountains in an area.
51. D – number of mountains in an area. NOW LET’S TRY THE $100,000 QUESTION!
52. $100,000 Where faults are active, there are often A – a lot of volcanoes B – earthquakes C – island arcs in the ocean D – lakes formed
54. $500,000 Most scientists rejected continental drift because it failed to explain A – coal deposits in Antarctica B – formation of mountains C – climate change D – the force that moves the continents.
55. D – The force that moves the continents. NOW LET’S TRY THE $1,000,000 QUESTION!
56. $1,000,000 The process that powers plate tectonics is A – radiation B – conduction currents C – convection currents D – subduction
57. C – Convection currents Congratulations! You have just won $1,000,000!
59. $500 question Which of the following would be erosion A – rocks broken into smaller pieces by freezing and thawing B – the formation of a delta C – iron rusting D – sediment carried by a glacier
60. D – Sediment carried by a glacier. NOW LET’S TRY THE $1,000 QUESTION!
61. $1,000 A delta is formed by A – deposition of sediment when a river reaches an ocean. B – deposition of sediment when a river curves sharply. C – deposition by a glacier when it begins to melt. D – the erosion of land at the curve of a river.
62. A – deposition of sediment when a river reaches an ocean. NOW LET’S TRY THE $2,000 QUESTION!
63. $2,000 An example of mechanical weathering would be A – the formation of an alluvial fan. B – the movement of sediment to the mouth of a river. C – the breakdown of rock by tree roots (root pry). D –the formation of rust on a piece of iron.
64. C – the breakdown of rock by tree roots (root pry). NOW LET’S TRY THE $5,000 QUESTION!
65. $5,000 Soil conservation is very important. During the 1930s, parts of the USA did not practice good soil conservation and caused the A – Dust Bowl B – Super Bowl C – Soil Loss Bowl D – the Great Depression
66. A – Dust Bowl NOW LET’S TRY THE $10,000 QUESTION!
67. $10,000 Which of the following is not a soil conservation practice? A – building terraces B – contour plowing C – growing tall plants D – windbreaks
68. C – growing tall plants NOW LET’S TRY THE $25,000 QUESTION!
69. $25,000 A landslide is a type of erosion caused by A – wind. B – gravity. C – water. D – glaciers.
70. B – gravity. NOW LET’S TRY THE $100,000 QUESTION!
71. $100,000 Soil is made up of A – only weathered rock. B – only organic material. C – both organic material and weathered rock. D – only organic material and bedrock.
72. C – both organic material and weathered rock. NOW LET’S TRY THE $500,000 QUESTION!
73. $500,000 How does the density of material in Earth’s layers change with depth? A – density decreases with depth B – density increases with depth C – density does not change with depth D – density increases and then decreases.
74. B – density increases with depth NOW LET’S TRY THE $1,000,000 QUESTION!
75. $1,000,000 From top to bottom, what are the soil horizons? A – bedrock, topsoil, subsoil B – topsoil, bedrock, subsoil C – topsoil, subsoil, bedrock D – subsoil, bedrock, topsoil
76. C – topsoil, subsoil, bedrock Congratulations, you have just won $1,000,000
