Plate Tectonics and Volcanoes Study Guide

Scientists learn about our planet's interior from

• tracking seismic waves

• probes in deep mines

• diving into deep ocean trenches

• satellite imagery

The most geologically active region in the world is the

• Ring of Fire

• Alps

• Yellowstone Basin

• Himalaya-Asiatic Belt

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

How did Wegener explain the presence of Mesosaurus fossils on Africa and South America?

• The continents were joined when Mesosaurus lived and then moved apart.

• Mesosaurus swam across the Atlantic Ocean

• a land bridge across the Atlantic Ocean connected the two continents

• none of these

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

A sign that an eruption could soon occur is

• less gasses coming from the volcano

• a decrease in the number and size of earthquakes

• rocks falling down the volcano’s slope

• all of these

Tags

NGSS.MS-ESS3-2

During the time of Pangaea,

• organisms lived side-by-side that are now fossils on distant continents.

• there was no Atlantic Ocean.

• there was one magnetic north pole.

• all of these.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

A volcano that could erupt, but hasn’t recently is

• dead

• active

• dormant

• extinct

Volcanoes are found at __________ plate boundaries.

• all three types

• divergent and convergent

• convergent and transform

• transform and divergent

Tags

NGSS.MS-ESS3-2

With distance from the mid-ocean ridge

• the crust becomes thicker

• the sediment becomes thinner

• the rocks become younger

• none of these

All deep-sea trenches are located

• in the polar regions

• in the middle of the oceans

• at the edges of continents

• near chains of active volcanoes

Continental crust is thicker than oceanic crust.

• True

• False