Intro to Volcanoes and Earthquakes T1.1 Quiz

Theories Wegener did NOT propose include

• Evolution by natural selection

• Theory of relativity

• Quantum mechanics

• Continental Drift

• Theory of heliocentrism

Alfred Wegener’s theory proposed 

(select two)

• Continents float on water

• All continents move at the same rate

• Only explains earthquakes and volcanoes

• Continents have been drifting apart and together ever since Pangea was formed 299m years ago.

• The Ice Age had a part to play in continental drift

Identify two pieces of evidence Wegener used to prove his theory of continental drift?

• Volcanic activity

• Matching fossil remains on different continents

• The presence of similar rock formations on different continents

• Earthquakes

Identify the continents on the map.

a

b

c

d

e

f

South America

North America

Asia

Europe

Australia

Africa

Add the continents that match together to support Wegener's Continental Drift Theory.

Groups:

(a) Matching coal beds

,

(b) Matching mountain ranges

,

(c) Matching fossils

• Australasia

• Africa

• North America

• South America

• Asia

• Europe

Which two continents show evidence of similar fossils and mountain ranges supporting Wegener’s Continental Drift Theory?

• Africa and South America

• Europe and Asia

• North America and Australia

• Antarctica and Asia

Harry Hess used his studies of the ocean floor to propose a new theory of sea-floor spreading.

• True

• False

Mountain ranges that formed a continuous chain down the centre of the ocean floors are called mid-ocean ridges.

• True

• False

Ocean trenches are long, narrow and very deep depressions near the edges of some continents.

• True

• False

Mountain belts can be described as: - often sedimentary rocks that have been folded upwards and fractured by forces in the lithosphere via the convergence of its plates.

• True

• False