Sea Floor Spreading Classroom Activity

Seafloor spreading is happening at b.

Sea floor spreading classroom activity.

Students will observe seafloor spreading in the classroom through a paper towel spreading center demonstration illustrating the relative motion of the plates. 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. 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.

Displaying top 8 worksheets found for activity seafloor spreading. This is an ngss based 10 question quiz about continental drift and sea floor spreading. At the completion of this activity you should be able to. 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.

This is a mid ocean ridge. Free background music no copyright music brvtvs dead times freebackgroundmusic webs. Seafloor spreading and other tectonic activity processes are the result of mantle convection. As magma starts to harden into rock iron rich minerals solidify first.

Printable and compatible with google classroom for distance learning. Learn more about sea floor spreading and how it works with this demo. In 1960 harry hess hypothesis about seafloor spreading was a key component of the plate tectonics revolution. Once the basalt cools completely into solid rock the.

Sea floor spreading answer key. Most basalt magmas contain abundant molten iron. Modeling sea floor spreading. They will also model sea floor spreading at a spreading center such as the mid atlantic ridge.

Plot data on a. When a divergent boundary occurs in the ocean seafloor spreading is the result. A worksheet will then test for understanding and introduce global earthquake distribution as an indicator of plate movements. This creates new ocean crust.

It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. Convection currents carry heat from the lower mantle and core to the lithosphere. Effective ngss ms ess2 1 and ms ess2 2 quiz. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge.

This coloring sheet visu. Convection currents also recycle lithospheric materials back to the mantle. Their crystals are pulled into alignment by the earth s magnetic field just like a compass needle is pulled towards magnetic north.