Vocabulary
This is the name of the supercontinent.
What is Pangea?
These are mineral replacements, preserved remains, or traces of past life.
What are Fossils?
Created the Continental Drift Theory
Who is Alfred Wegener
Earthquakes and Volcanoes are usually located in relation to these
What is a convergent plate boundary
The Himalayan mountains are the result of a ___________________________ boundary.
What is convergent boundary
States that youngest rocks of ocean floor are at diverging boundaries, moving outward
What is seafloor spreading
These words mean (in this order): To move away from, to move towards, and to slide against
What is Divergent, Convergent, Transform
Pangaea existed this many millions of years ago
What is around 250 million years ago
This is the mechanism (what causes) the plates to move
What is convection current cycles in the mantle
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a transform boundary
Although the hottest layer of the Earth, this layer is solid metal
What is the inner core
Fossils of organisms that lived briefly but were widespread
What are Index Fossils?
Continental Drift Theory was not accepted because it did not explain this
What is how the continents moved
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
This is made when plates converge.
What is a mountain or volacano?
A number of rigid, but moving, pieces of Earth's surface
What are tectonic plates.
This means that each rock layer (or strata) is older than the layer above it, meaning rocks deeper in the layers are older in relative age.
What is Superposition?
These 2 continents "fit" together like a puzzle piece.
What is Africa and South America
The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.
What is divergent boundary; sea-floor spreading
This is one of the types of evidence to support Continental Drift Theory.
What is Puzzle Pieces, Fossil Records, Climate Clues, or Matching Rock Layers
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory
These are scratches left on rocks by glaciers moving across land.
What are Glacial Striations?
Evidence of tropical plants were found on this continent
What is Antarctica
Name four of the major plates
What is any of the following North American plate, South American plate, Eurasian Plate, Indoaustralia plate, African plate, Antarctica plate
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes