forms in the ocean floor. Magma from the Earth's mantle pours onto the ocean floor through

the crack and creates new oceanic crust.

To access a comprehensive array of complete multimedia lessons, as well as the most up-to-date,

standards-based curriculum content that's researched, proven and teacher-approved, visit

newpathlearning.com to create your FREE online learning account now! Each multimedia lesson

includes animated presentations interactive activities, virtual labs, vocabulary exercises

and standards-based assessments.