Go to the Quizzes Page Developing the Theory of Plate Tectonics 0% 866 Created by AbuBakrShalabi Please write your name and email to receive your certificate. 1 / 20 Why wasn't Marie Tharp allowed on the seagoing expeditions? They thought women brought bad luck at sea She was pregnant at the time and they thought it would be bad for her health She didn't know how to swim She got seasick easily 2 / 20 What did Marie Tharp's work represent for the continental drift hypothesis? Tharp’s work was the final proof to support the continental drift hypothesis. Marie Tharp measured the speed and the direction of the continents' movement. Marie Tharp mapped the location of the continents on the Earth's surface. There is no relation between Marie Tharp's work and the continental drift hypothesis. 3 / 20 Which scientist discovered mountain ranges located the ocean floor and developed the theory of seafloor spreading? Isaac Newton Charles Darwin Alfred Wegener Marie Tharp 4 / 20 The submarine mountain range running through the Atlantic Ocean is called the... Atlantic Trench Continental Shelf Abyssal Plain Mid- Ocean Ridge 5 / 20 What is sonar? A device that detects life. A device using sound waves to measure distance. A device to measure sound. A device using UV rays. 6 / 20 When did scientists suggested that mid-ocean ridges were created by seafloor spreading? in 1930 in 1900 in 1960 in 1910 7 / 20 How do the ages of rocks change as you get further from the Mid-Ocean ridge? Rocks stay the same age Rocks get older Rocks get younger 8 / 20 Why was the evidence of seafloor spreading so important to the idea of Continental Drift? It shows how land bridges let prehistoric animals cross the oceans. It disproved Alfred Wegener's hypothesis of Continental Drift. A theory stating that Earth’s crust is broken up into large solid plates that move slowly It answers the question for HOW continents could be moving. 9 / 20 In the Atlantic ocean, where is the youngest seafloor located? Towards the middle of the ocean at ocean ridges. Towards the edges, near the eastern and western continents. Towards the north and south poles. Young seafloor is located randomly throughout the ocean. 10 / 20 What of the following is found in the ocean floor? plate boundaries mid-ocean ridge ocean trench ice glacier only 11 / 20 Which is the deepest point on earth? Antarctica The Mid-Atlantic ridge Iceland mid-ocean ridge The Challenger Deep 12 / 20 The .............................  is a seafloor mountain system formed by lava as it rises from cracks in the surface and cools. mid-ocean ridge ocean valley ocean groove ocean trench 13 / 20 Choose the correct order of discoveries that led to the overall theory of plate tectonics: formation of the continents - continental drift - mid-ocean ridge continental drift - hotspots and transform boundaries - seafloor spreading seafloor spreading - hotspots and transform boundaries - continental drift continental drift - seafloor spreading - hotspots and transform boundaries 14 / 20 What is geology? the study of history the study of maps the study of rocks the study of earth 15 / 20 Wegener's idea that Pangaea separated into continents became the continental drift .................... fact law hypothesis theory 16 / 20 What do the shades found on the maps discovered by a sonar represent? presence of green plants different depths of the ocean ridges and ocean trenches presence of living things 17 / 20 The technology used to map the ocean floor from ships in 1946 was........... Sonar Ocean maps Artificial intelligence GPS 18 / 20 Which of the following were pieces of evidence used by Alfred Wegener to support his hypothesis of Continental Drift? (choose ALL that apply) fit of the continents matching fossils across continents matching rocks and mountains across continents evidence of glaciers in places now too warm 19 / 20 What discovery revived Wegener's idea of Continental Drift and eventually led to the Theory of Plate Tectonics? The Discovery of America The Discovery of new fossils on Africa and South America The Discovery of mid-ocean ridges and seafloor spreading The Discovery of radioactive isotopes 20 / 20 How did scientists discover the presence of mountain ranges on the ocean floor? They used a ship that captures pictures of the ocean floor. They dived in and examined the bottom of the ocean. They used an echo sounder which sends a sound wave pulse that hits the ocean bottom. They could easily see the ocean floor from the surface. Your score is 0% Restart quiz Go to the Quizzes Page