Sea Floor Spreading And Subduction Zones Worksheet Answers

Seafloor spreading is happening at b.

Sea floor spreading and subduction zones worksheet answers.

Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge. 9 6 explain the evidence for sea floor spreading including paleomagnetism and magnetic reversals earthquake patterns and the age of the ocean floor. Sea floor spreading worksheet answers. Then answer the questions below.

They may need to use a. Subduction is the process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle. Why does the oceanic crust move under the continental crust at a subduction zone. Build vocabulary word parts have students break the word subduction into roots prefixes or suffixes.

This under water canyon is where subduction happens. The processes of subduction and sea floor spreading can change the size and shape of the oceans. Begin by labeling the parts draw an arrow to indicate which feature you mean. Answers is the place to go to get the answers you need and to ask the questions you want.

As magma flows out of the ridge the newly formed crust pushes older crust away from the ridge. How do subduction zones and seafloor spreading helped create seafloor features. Displaying top 8 worksheets found for sea floor spreading answer key. You may use your book and whatever notes you have.

Whats people lookup in this blog. Sea floor spreading seafloor spreading model name date block bill nye seafloor spreading worksheet review and reinforce sea floor spreading fill online printable seafloor spreading questions q. The diagram on the reverse side depicts an area of the ocean floor where different plates are shifting due to plate tectonics. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary.

Some of the worksheets for this concept are sea floor spreading work with key sea floor spreading work answer key sea floor spreading work sea floor spreading answer key answers to sea floor spreading pearson education pdf name date sea floor spreading l 1 2 3 modeling seafloor spreading general science 10l lab lab. This is a mid ocean ridge. Seafloor spreading explore 1 subduction in trenches 1. Continue pulling the magma strips until the magma sticks slide across the ocean floor.

Sea floor spreading answer key. 9 5 explain the processes of sea floor spreading and subduction. While new earth is being born at mid ocean ridges by seafloor spreading in other areas earth is being destroyed at deep ocean trenches by subduction. At deep ocean trenches subduction allows part of the ocean floor to sink back into the mantle over tens of millions of years.

Seafloor spreading and subduction. This creates new ocean crust. Seafloor spreading model worksheet answers. This process changes the shape and size of the earth s oceans.

Students should change the model so that magma is pushed out of the ridge not pulled.