Layers of the Earth

Which layer of the earth is most dense?

• crust

• outer core

• inner core

• mantle

Which layer of the Earth is the largest?

• crust

• outer core

• inner core

• mantle

Scientists have classified Earth's interior into zones shown based primarily on evidence gained by studying...

• deep drill cores

• volcanic eruptions

• gravity measurements

• earthquake seismic waves

Which of the following is caused by the movement of Earth's plates?

• mountain building

• the tides

• chemical weathering

• tornadoes

What causes tsunamis?

• hurricanes

• high-pressure weather systems

• undersea earthquakes

• the collision of ocean currents

What is the order of the Earth's interior?

• crust, outer core, inner core, mantle

• crust, mantle, inner core, outer core

• outer core, mantle, crust, inner core

• crust, mantle, outer core, inner core

What is the plastic layer of Earth where the plates float on?

• lithosphere

• asthenosphere

• crust

• mesosphere

The thinnest section of Earth's crust is found beneath...

• oceans

• desert regions

• costal plains

• mountain regions

Geologists believe that millions of years ago all of the continents were united into a single supercontinent called...

• Atlantis

• Euroamerica

• Pangaea

• Transoceanna

Which best describes a major characteristics of both volcanoes and earthquakes?

• They are centered at the poles.

• They are located along plate boundaries.

• They are related to the formation of glaciers.

• They are restricted to the Southern Hemisphere.