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