Layers of the Earth
The ourtermost rigid layer of the earth is called the
lithosphere
The type of tectonic plate boundary involving a collision between two tectonic plates is
convergent boundary
what is an example of a transform boundary.
San Andreas Fault
What was Alfred Wegener's hypothesis?
Continental Drift Theory
What would this diagram be called D1
Pangea
Earth's thick plastic-like layer is the
asthenosphere
Which layer of the earth is made up of tectonic plates?
lithosphere
________ currents inside the Earth are thought to drive plate motion?
convection
Why did so many scientists reject Alfred Wegener's hypothesis?
He couldn't explain HOW the continents moved
Where is a an ocean trench forming on this diagram D2
Point A
What layer is the densest and hottest layer of the Earth and made of solid iron and nickel
inner core
Most earthquakes occur along or near the edges of the Earth's
tectonic plates
Active volcanoes are most likely to form at
convergent oceanic-continental boundaries or and divergent plate boundaries
What clue(s) support the Continental Drift Theory?
- fossils of the same animals have been found on continents separated by oceans.
-similar rocks have been found on different continents.
-a puzzle-like fit of all the continents.
What has formed at point B? D2
a volcanic mountain
pieces of the lithosphere that move around on top of the asthenosphere
tectonic plates
A rift valley forms where two plates
diverge
Most earthquakes occur along or near the edges of the Earth's
tectonic plates
What is Pangaea?
the name of the supercontinent that existed millions of years ago
what type of plate boundary occurs between the North American Plate and the Eurasian Plate? D3
divergent boundary
What are the layers of the earth in order starting from the top
1. Crust
2. Mantle
3. Outer Core
4. Inner Core
What cause movement of Earth's tectonic plates
convection currents below the lithosphere
A rift valley forms where two plates
diverge
What is the continental drift theory?
Alfred Wegener's theory is that the continents were once one giant supercontinent and then, over millions of years, were separated.
what type of plate boundary occurs between the Nazca Plate and the South American Plate D3
convergent oceanic-continental plate boundary