Earth layers1
What is the thinnest layer of the earth?
What is the crust?
What layer is the coolest temperature?
What is the crust?
The crust of the earth is like a jigsaw _____.
Puzzle
The type of boundary where the plates are pulling apart.
What is divergent?
What type of lanforms are created at a convergent boundary?]
Mountains and volcanoes
What is the thickest layer of the earth?
What is the mantle?
What type of currents are moving in the mantle that move the plates?
Convection currents
Billions of years ago , the continents were all connected to make one giant supercontinent called___.
Pangea
This type of boundary collides and pushes against eachother forming mountains.
What is convergent?
What type of landforms are created at divergent plate boundaries?
What are rift valleys and mid oceanic ridges?
What is the layer that is the hottest?
inner core
What fuels the convection currents?
Heat
The supercontinent broke apart and moved over time , because of ____.
Plate tectonics
This type of boundary slides causing earthquakes.
What is a transform boundary?
What lanforms are created by transform boundaries?
Ridges and trenches
What layer has convection currents?
What is the mantle?
The more heat in the mantle the faster the convection ____.
Currents
The plates lie on top of which layer?
Ashenosphere
What catastrophe ( something bad) happens when two plates are sliding (transform boundaries)?
Earthquakes
A deep fissure or opening in the ground where transform boundaries meet.
Fault
What layer is thick but flowing? We call it plasticity. Like plastic, it is able bend.
Outer core
Heat rises and cooler air ____.
Sinks
The 3 types of plate boundaries are ___, ___, and ------.
Convergent, divergent, transform
What type of catastrophe happens when an earthquake happens under the ocean floor?
Tsunami (giant wave)
What type of zone is where a more denser plate slips underneath a less denser plate?
Subduction zone