Sea Floor Spreading Model Activity Cut Out

They will also model sea floor spreading at a spreading center such as the mid atlantic ridge.

Sea floor spreading model activity cut out. The center slit represents a mid ocean ridge 2. Plate tectonics tennis ball globe model activity print and color a two dimensional world globe showing plate boundaries then cut it out and. In the places where the plates are moving apart magma liquid rock moves up into the cracks and solidifies making a new ocean floor just like cake batter would ooze up through. Have students pick up materials needed for the activity.

Some of the worksheets for this concept are sea floor spreading work sea floor spreading a model of seafloor spreading inside earth work magnetic reversals activity name date sea floor spreading l 1 2 3 5 4 ovr l lesson 3 seafloor profiling seafloor spreading and subduction. The width and length of the base are not critical as long as they are at least 12 cm wide and 30 cm long. The earth does not get bigger. The base is best if made from poster board or card stock.

The 4 tactile surfaces will represent rock of various ages depending on how long ago it was laid down. Activity of the month activity of the month june 2008 plate tectonics and contributions from scientific ocean drilling summary in this activity. Cut 3 slits each slightly more than 8 cm wide. Seafloor spreading theory that oceanic crust forms along submarine mountain zones known collectively as the mid ocean ridge system and spreads out laterally away from them.

Such magnetic patterns led to recognition of the occurrence of sea floor spreading and they remain some of the strongest evidence for the theory of plate tectonics. Students will use actual data from historic oceanographic cruises to examine sea floor spreading. Students will make their own models of seafloor spreading and the magnetic strips that occur in the seafloor. This idea played a pivotal role in the development of the theory of plate tectonics which revolutionized geologic thought during the last quarter of the 20th century.

Print cut out and glue together a three dimensional paper model that illustrates sea floor spreading and subduction. Displaying top 8 worksheets found for activity seafloor spreading. Sea floor spreading happens at places where plates are moving away from each other and where the liquid rock from the asthenosphere can come up to the lithosphere. Seafloor spreading is the creation of new seafloor or new oceanic crust 5.

The oldest sections should be the sections on both sides furthest from the middle 4. Simple diagrams and easy to understand explanations of the processes are included. A model of seafloor spreading key 1. To create a working model of sea floor spreading follow the model seen below figure 1.

Today we are going to create a model that i hope will incorporate all of your important points 1. This model represents the flow of lava over time due to plate tectonics at mid oceanic ridges seafloor spreading. Operations carried out far from land and kilometers underwater will likely require expensive technologies sure to cut into your profit margin. Cut out the labels approximately 1 tall by 1 2 wide.