Dynamic Earth Quiz #2 study guide

Tectonic plates float on magma located in the _______ .

• mantle
• crust
• inner core
• outer core

The innermost (center) hottest layer of the Earth is known as the _______ .

• mantle
• crust
• inner core
• outer core

New crust formed when magma fills the area after two plates move apart is known as a _______ .

• mountain
• subduction
• rift valley
• trench

When two plates come together, one plate will normally move under the other in a process known as _______ .

• subduction
• deposition
• erosion
• weathering

Plates interact at their EDGES, which are referred to as plate _______ .

• currents
• rises
• margins
• boundaries

Alfred Wegener's idea that continents are slowly moving across Earth's surface is called Continental Drift.

• True
• False

The _______ is the only entirely liquid layer of the Earth.

• mantle
• crust
• inner core
• outer core

Intense vibrations felt throughout the Earth's crust during an earthquake are called _______ .

• tectonic waves
• seismic waves
• sound waves
• frequency waves

A scientist named Alfred Wegener believed a supercontinent called ________ existed millions of years ago.

• Lubricina
• Pantheonia
• Pangaea
• Terranova

Where does most mountain formation occur?

• at diverging plate boundaries
• at transform plate boundaries
• at converging plate boundaries
• at the earth's core