Sea floor spreading answer key.
Sea floor spreading foldable.
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As upwelling of magma continues the plates continue to diverge a process known as seafloor spreading.
Explore explain 5 minutes sea floor spreading at the mid ocean ridge continuously adds new material to the ocean floor.
Perfect for whole group lessons interactive science notebooks or student note taking guides.
Sea floor spreading foldable pdf.
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Circulate the ribbons of paper to simulate the movement that occurs during seafloor spreading.
This process occurs along divergent plate boundaries at areas called mid ocean ridges.
Samples collected from the ocean floor show that the age of oceanic crust increases with distance from the spreading centre important evidence in favour of this process.
Seafloor spreading is happening at b.
Pull each strip of paper towards the slits nearest the margins of the paper.
Tape each strip to make a loop as shown in the diagram below.
Seafloor spreading foldable pdf.
7 different blank foldables that cover continental drift theory seafloor spreading and tectonic plate theory.
Show tanya atwater animations of sea floor spreading.
Show animation several times to increase understanding while discussing movement of ocean floor what happens as it nears continents etc.
Seafloor spreading is the process of molten material from the mantle being pushed upward to the surface of the earth and spreading apart creating new earth.
Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge.
This creates new ocean crust.
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