Forces of Change

Front

Created by a divergent boundary.

Back

Mid Atlantic ridge

Front

In sea-floor spreading, molten material rises from the mantle and erupts

Back

along mid-ocean ridges.

Front

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as _______

Back

subduction.

Front

A place where two plates slip past each other, moving in opposite directions, is known as a _______

Back

transform boundary

Front

Where would the oldest rock be found? Options: L, M, N, O

Back

O

Front

This layer of Earth is the thickest part.

Back

mantle

Front

Earthquake epicenters were mapped for a 35 year period. The black dots indicate these epicenters. The black dots appear along what feature on Earth?

Back

plate boundaries

Front

Which of the following is the name of the ancient supercontinent formed 280 Million Years ago? Pangea, Gondwana, Laurasia, Neverland

Back

Pangea

Front

Which of the following is NOT evidence to support the theory of plate tectonics? Options: Fossils, Mountains, Glaciers, Sand Erosion

Back

Sand Erosion

Front

Fossils of a particular animal species have been found in both southern Africa and South America but nowhere else.  Which of the following is MOST LIKELY the reason why?

Back

In the past, Africa and South America were part of the same continent.