No student devices needed. Know more
13 questions
The continents were last all together around
250,000 years ago
2.5 million years ago
250 million years ago
2.5 billion years ago
Mountain ranges located on both side of the Atlantic Ocean
are the same height and width.
have the same rock types, structures and ages.
have ancient fossils and coal seams.
are just separate mountain ranges.
Magnetic minerals in volcanic rock point to
the current north magnetic pole.
the north magnetic pole at the time they crystallized.
the north magnetic pole on the adjacent continent.
none of these.
What was Wegener’s continental drift idea?
The continents have moved slowly apart to their current locations.
The continents have always been located at their current locations.
The continents are moving slowly together from their current locations.
None of these
True or False-Similar fossil records across continents was evidence for continental drift.
True
False
True or False-The continents including the continental margins can be pieced together to form a single whole continent.
True
False
True or False-The magnetic polarity evidence indicates that there were two north magnetic poles in the geologic past.
True
False
Alfred Wegener named his single supercontinent ____________, which means "all Earth" in ancient Greek.
Pandora
Gandowandaland
Pangea
Percia
The most common type of minerals that record the direction and strength of the magnetic field are called ____________.
magnatips
magnabytes
magnalytes
magnetite
The seeming movement of the north magnetic pole over time is called ____________ polar wander.
apparent
variable
adjacent
independant
Rocks and structures on both sides of the ____________ Ocean are very similar.
Pacific
Atlantic
Indian
Antarctic
When all the continents are together, it is called a(n) ____________ continent.
massive
gigantic
enormous
super
The remains or traces of ancient life are called ____________.
bones
remanents
fossils
none of the above
Explore all questions with a free account