Sea Floor Spreading Classroom Activity

This interactive activity is simple to prepare and to execute and allows the students to understand seafloor spreading and the position of newer rock and older rock in relation to.

Sea floor spreading classroom activity.

Plot data on a. Free background music no copyright music brvtvs dead times freebackgroundmusic webs. In 1960 harry hess hypothesis about seafloor spreading was a key component of the plate tectonics revolution. This coloring sheet visu.

Seafloor spreading and other tectonic activity processes are the result of mantle convection. When a divergent boundary occurs in the ocean seafloor spreading is the result. 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. Displaying top 8 worksheets found for activity seafloor spreading.

Most basalt magmas contain abundant molten iron. Seafloor spreading is happening at b. As magma starts to harden into rock iron rich minerals solidify first. Mantle convection is the slow churning motion of earth s mantle.

Their crystals are pulled into alignment by the earth s magnetic field just like a compass needle is pulled towards magnetic north. Effective ngss ms ess2 1 and ms ess2 2 quiz. This is an ngss based 10 question quiz about continental drift and sea floor spreading. Modeling sea floor spreading.

Seafloor spreading is the process that occurs at mid ocean ridges where new crust is formed through volcanic activity and then gradually moves away from the ridge. Once the basalt cools completely into solid rock the. A worksheet will then test for understanding and introduce global earthquake distribution as an indicator of plate movements. Printable and compatible with google classroom for distance learning.

This is a mid ocean ridge. Learn more about sea floor spreading and how it works with this demo. This creates new ocean crust. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge.

They will also model sea floor spreading at a spreading center such as the mid atlantic ridge. Sea floor spreading answer key. The quiz mimics how standardized tests generally ask about this topic as questions require si. Convection currents carry heat from the lower mantle and core to the lithosphere.

At the completion of this activity you should be able to. In this activity students will use actual data from historic oceanographic cruises to examine sea floor spreading. Students will observe seafloor spreading in the classroom through a paper towel spreading center demonstration illustrating the relative motion of the plates.