Plate Tectonics Lab Examining The Ocean Floor Answers

Later studies of the oceans provided one of the keys to the plate tectonic theory.

Plate tectonics lab examining the ocean floor answers. Plate tectonics sea floor geography lab in this lab you will explore how the movements of the earth s tectonic plates relate to earthquakes volcanoes and the major geographic features of the ocean floor. Solved lab 2 plate tectonics and ocean geography oce 30. He thought that the continents plowed through the ocean floor like icebreaking ships plowing through ice. This occurs very slowly and creates about 3.

You will also expand your skills in map reading and interpretation building on what you did in the maps charts lab. Go further magnetic polarity record pacific ocean ridge crest ocean floor crust south atlantic ocean fed c b a 39 km 2 million years north atlantic ocean 0 20 40 km scale answers to procedure questions 1. The upper mantle and crust make up what major tectonic feature of our planet. The slowest spreading rate.

As upwelling of magma continues the plates continue to diverge a process known as seafloor spreading. Chapter 2 the way earth works examining plate tectonics. Please fill in the missing labels. Seafloor spreading at divergent zoneson the ocean floor plates are moving away from each other.

Paleomagnetism and the ocean floor lab answers sea floor spreading homework modelling the ocean. Plate tectonics and earth s interior the age of the crust 10. What lies directly beneath the crust. Of sea floor spreading and plate tectonics the regions that hold the unique record of earths magnetic field lie along the mid ocean ridges where the sea floor is spreading start studying sea floor spreading.

These age data also allow the rate of seafloor spreading to be. Plate tectonics practice questions and answers revised august 2007 1. Name class date chapter 9 plate tectonics exploration lab paleomagnetism and the ocean floor when wegener proposed his hypothesis of continental drift little was known about the ocean floor. Please fill in the missing labels.

Continental crust is much farther from divergent plate boundaries than is oceanic crust. How many large plates form the outer shell of the earth. Plate tectonics plate tectonics seafloor spreading. Whats people lookup in this blog.

Two students are discussing why rocks are older on continents. They are pushed apart by magma or melted rock frombeneaththeearth ssurfac e rising up and cooling. Sea floor spreading project answer key lab 4 sea floor spreading lab sea floor spreading project answer key lab 4 seafloor spreading. Plate tectonics the theory that the earth s lithosphere consists of large rigid plates that move horizontally in response to the low of the asthenosphere beneath them and that interactions among the plates at their borders cause most major geologic activity including the creation of oceans continents mountains volcanoes and earthquakes.

When the magma pushes up to the surface and cools it creates new land. What happened to the ocean crust that made up the ocean seafloor 4 000 million 4 billion years ago 9 lab 1.