Plate Tectonics Lab Examining The Ocean Floor Answers

Paleomagnetism and the ocean floor lab answers sea floor spreading homework modelling the ocean.

Plate tectonics lab examining the ocean floor answers.

You will also expand your skills in map reading and interpretation building on what you did in the maps charts lab. When the magma pushes up to the surface and cools it creates new land. Two students are discussing why rocks are older on continents. Whats people lookup in this blog.

He thought that the continents plowed through the ocean floor like icebreaking ships plowing through ice. 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. Continental crust is much farther from divergent plate boundaries than is oceanic crust. What happened to the ocean crust that made up the ocean seafloor 4 000 million 4 billion years ago 9 lab 1.

Solved lab 2 plate tectonics and ocean geography oce 30. 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. These age data also allow the rate of seafloor spreading to be. Plate tectonics and earth s interior the age of the crust 10.

Chapter 2 the way earth works examining plate tectonics. Please fill in the missing labels. The upper mantle and crust make up what major tectonic feature of our planet. Where is the fastest spreading rate.

The slowest spreading rate. Plate tectonics plate tectonics seafloor spreading. Seafloor spreading at divergent zoneson the ocean floor plates are moving away from each other. As upwelling of magma continues the plates continue to diverge a process known as seafloor spreading.

Plate tectonics practice questions and answers revised august 2007 1. What lies directly beneath the crust. Please fill in the missing labels. This occurs very slowly and creates about 3.

How many large plates form the outer shell of the earth. 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. Samples collected from the ocean floor show that the age of oceanic crust increases with distance from the spreading centre important evidence in favour of this process. For other divergent plate boundaries on earth.

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