Plate Tectonics

Pangaea is a theory where all continents began as

• one big country

• one big continent

Fossils can also give evidence for a Pangaea theory

• True

• False

When a fossil of an animal is found on almost all continents, then it supports

• the idea of a traveling animal

• the idea of a connected original continent

• the idea of a flying animal

A German scientist Alfred Wegener was the first to hypothesize that ...........

• Continents were once joined
• The sea floor is spreading
• Continents are moving
• The Earth's magnetic pole flips

Wegener suggested that coal beds discovered in Antarctica indicated that this continent was

• once under water
• always  frozen
• once near the equator
• part of Africa

The rejection of Mr. Wegener's hypothesis  teaches us that

• Indirect evidence is not sufficient to prove a hypothesis
• Direct evidence is hard to find 
• Hypotheses are hard to prove
• Scientists of the early 1900s were not smart enough

True or false. Type true if true and if false type the correct word for to make the sentence true. Pangaea is the supercontinent that Wegener suggested occurred on Earth about 300 years ago.

Answer explanation

true

Wegener inferred that the ancient plants Mesosaurus and Lystrosaurus once lived on a single landmass that has since split apart.

• true

• false, reptiles

_______________ of the plant Glossopteris provided evidence for Wegeners's hypothesis for continental drift.

The idea of continents moving slowly over Earth's surface was developed by German scientist____________

• Wegener

• Gailio

• Einsten