Plate Tectonics Study Guide

Question 1

Many processes occur at or near tectonic plate boundaries. Which events are most common along tectonic plate boundaries?

Accepted Answer

earthquakes and volcanoes

Question 2

Seafloor spreading provides evidence of which of the following Earth processes?

Accepted Answer

movements of crustal plates

Question 3

Which is the best evidence that Earth’s continents were once in vastly different positions than they are now?

Accepted Answer

Fossils of tropical plants are found in Antarctica.

Question 4

A rift valley is evidence of which kind of plate boundary?

Accepted Answer

divergent

Question 5

Which bests supports the continental drift theory?

Accepted Answer

same,extinct land plants have been found in both South America and Africa.

Question 6

evidence that the continents were once connected is that they have matching:

Accepted Answer

Coastlines, Fossils, Glaciers, Rock types

Question 7

The Mid-Atlantic Ridge exists between the African and South American geological plates. Which at the Mid-Atlantic Ridge?

Accepted Answer

spreading of seafloor

Question 8

Which two landforms are caused by convergent plate boundaries?

Accepted Answer

an ocean trench and a mountain range

Question 9

What do earthquakes tell scientists about the history of the planet?

Accepted Answer

The continents of Earth are continually moving.

Questions 9