Example: biology
Search results with tag "Sea floor"
1.2 How Science and Technology Are for Society
www.mext.go.jpAlfred Wegener’s theory of continental drift, announced in 1915, is widely accepted around the world today as the plate tectonics theory. At the time of its announcement, however, the mechanism for continental drift was unknown, and the theory attracted few supporters. In the 1950s and later, however, advances in sea floor monitoring
Sea Floor Spreading worksheet with KEY
cpb-ca-c1.wpmucdn.comSea-Floor Spreading The longest chain of mountains in the world is the system of mid-ocean ridges. In the mid-1900s, scientists mapped the mid-ocean ridges using sonar. Sonar is a device that bounces sound waves off underwater objects and then records the echoes of these sound waves. The mid-ocean