Sea Floor Spreading Classroom Activity

Modeling sea floor spreading.

Sea floor spreading classroom activity.

As magma starts to harden into rock iron rich minerals solidify first. In 1960 harry hess hypothesis about seafloor spreading was a key component of the plate tectonics revolution. This coloring sheet visu. Displaying top 8 worksheets found for activity seafloor spreading.

Mantle convection is the slow churning motion of earth s mantle. Convection currents also recycle lithospheric materials back to the mantle. Most basalt magmas contain abundant molten iron. This creates new ocean crust.

It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. Learn more about sea floor spreading and how it works with this demo. Convection currents carry heat from the lower mantle and core to the lithosphere. Free background music no copyright music brvtvs dead times freebackgroundmusic webs.

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. At the completion of this activity you should be able to. This is an ngss based 10 question quiz about continental drift and sea floor spreading. Once the basalt cools completely into solid rock the.

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. 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 quiz mimics how standardized tests generally ask about this topic as questions require si.

This is a mid ocean ridge. 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. Seafloor spreading is happening at b. When a divergent boundary occurs in the ocean seafloor spreading is the result.

Printable and compatible with google classroom for distance learning. In this activity students will use actual data from historic oceanographic cruises to examine sea floor spreading. Seafloor spreading and other tectonic activity processes are the result of mantle convection. Sea floor spreading answer key.

Effective ngss ms ess2 1 and ms ess2 2 quiz. Plot data on a. Seafloor spreading is the movement of magma through a crack in a mid oceanic ridge.