Picture Of A Blank Sea Floor Spreading Model Activity Cut Out

The strips of paper represent oceanic crust or seafloor.

Picture of a blank sea floor spreading model activity cut out.

Plate tectonics and the ocean floor. A demonstration of seafloor spreading created by me is included. The earth does not get bigger. A model of sea floor spreading teacher s guide ellen p.

The process that continually adds new material to the ocean floor is seafloor spreading and the continental slope. Cut out the labels approximately 1 tall by 1 2 wide. Sea floor spreading edhelper images e993 com. Students will make a paper model illustrating the concept of sea floor spreading and the development of symmetrical magnetic stripes on either side of a mid ocean spreading center.

Bathymetry the shape of the ocean floor is largely a result of a process called plate tectonics the outer rocky layer of the earth includes about a dozen large sections called tectonic plates that are arranged like a spherical jig saw puzzle floating on top of the earth s hot flowing mantle. Students will use actual data from historic oceanographic cruises to examine sea floor spreading. The oldest sections should be the sections on both sides furthest from the middle 4. A model of seafloor spreading key 1.

As magma starts to harden into rock iron rich minerals solidify first. Cut two strips of paper the same width as the slit and about a foot long each. They will also model sea floor spreading at a spreading center such as the mid atlantic ridge. Their crystals are pulled into alignment by the earth s magnetic field just like a compass needle is pulled towards magnetic north.

The 4 tactile surfaces will represent rock of various ages depending on how long ago it was laid down. Students work as individuals. The center slit represents a mid ocean ridge 2. Lab activity sea floor spreading.

Using a shoebox or a small box cut a slit on the bottom down the middle about 3 inches long. Over time new. Please refer to the picture as you build this model. Model of sea floor spreading observing plate motions and model of sea floor spreading sea floor spreading project answer key lab 4 read modern interiors living room.

Seafloor spreading is the creation of new seafloor or new oceanic crust 5. Activity of the month activity of the month june 2008 plate tectonics and contributions from scientific ocean drilling summary in this activity. In recent years satellite images show a very clear mapping of the seabed and are used extensively in the study and exploration of the ocean floor. This model represents the flow of lava over time due to plate tectonics at mid oceanic ridges seafloor spreading.