Go to the Quizzes Page Developing the Theory of Plate Tectonics 0% 116 Created by AbuBakrShalabi Please write your name and email to receive your certificate. 1 / 20 What of the following is found in the ocean floor? mid-ocean ridge ocean trench ice glacier only plate boundaries 2 / 20 What do the shades found on the maps discovered by a sonar represent? presence of green plants presence of living things ridges and ocean trenches different depths of the ocean 3 / 20 Which scientist discovered mountain ranges located the ocean floor and developed the theory of seafloor spreading? Marie Tharp Isaac Newton Alfred Wegener Charles Darwin 4 / 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 could easily see the ocean floor from the surface. They used an echo sounder which sends a sound wave pulse that hits the ocean bottom. 5 / 20 What is sonar? A device that detects life. A device using UV rays. A device to measure sound. A device using sound waves to measure distance. 6 / 20 Which is the deepest point on earth? The Mid-Atlantic ridge The Challenger Deep Iceland mid-ocean ridge Antarctica 7 / 20 The submarine mountain range running through the Atlantic Ocean is called the... Continental Shelf Abyssal Plain Atlantic Trench Mid- Ocean Ridge 8 / 20 What discovery revived Wegener's idea of Continental Drift and eventually led to the Theory of Plate Tectonics? The Discovery of mid-ocean ridges and seafloor spreading The Discovery of new fossils on Africa and South America The Discovery of America The Discovery of radioactive isotopes 9 / 20 Wegener's idea that Pangaea separated into continents became the continental drift .................... fact theory law hypothesis 10 / 20 When did scientists suggested that mid-ocean ridges were created by seafloor spreading? in 1900 in 1910 in 1960 in 1930 11 / 20 What is geology? the study of earth the study of history the study of rocks the study of maps 12 / 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 continental drift - seafloor spreading - hotspots and transform boundaries seafloor spreading - hotspots and transform boundaries - continental drift 13 / 20 Why was the evidence of seafloor spreading so important to the idea of Continental Drift? 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 shows how land bridges let prehistoric animals cross the oceans. It answers the question for HOW continents could be moving. 14 / 20 Why wasn't Marie Tharp allowed on the seagoing expeditions? She didn't know how to swim She was pregnant at the time and they thought it would be bad for her health She got seasick easily They thought women brought bad luck at sea 15 / 20 In the Atlantic ocean, where is the youngest seafloor located? Young seafloor is located randomly throughout the ocean. Towards the middle of the ocean at ocean ridges. Towards the north and south poles. Towards the edges, near the eastern and western continents. 16 / 20 What did Marie Tharp's work represent for the continental drift hypothesis? There is no relation between Marie Tharp's work and the continental drift hypothesis. Marie Tharp mapped the location of the continents on the Earth's surface. Marie Tharp measured the speed and the direction of the continents' movement. Tharp’s work was the final proof to support the continental drift hypothesis. 17 / 20 How do the ages of rocks change as you get further from the Mid-Ocean ridge? Rocks get older Rocks stay the same age Rocks get younger 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) evidence of glaciers in places now too warm matching fossils across continents matching rocks and mountains across continents fit of the continents 19 / 20 The ............................. is a seafloor mountain system formed by lava as it rises from cracks in the surface and cools. ocean trench ocean groove ocean valley mid-ocean ridge 20 / 20 The technology used to map the ocean floor from ships in 1946 was........... Ocean maps Artificial intelligence GPS Sonar Your score is 0% Restart quiz Go to the Quizzes Page