14.1 Earth’s Undersea World

Instructions

As read Chapter 9, “Earth’s Undersea World,” answer the following questions.

1

Seafloor spreading explains which of the following?

1

9

2

6

2

Draggable item		Corresponding Item
Seamount emerges from the ocean’s surface		islands are formed
One tectonic plate slides under another		a trench is formed
Tectonic plates move apart very slowly		seafloor spreading
Tectonic plates collide		continental drift
Seafloor spreading		hydrothermal vents are formed
Water seeps into the earth’s crust and is heated by magma		mountains are formed