Layers of Earth
What happens to the pressure as you go deeper inside the Earth?
It increases
Who first proposed the theory of continential drift?
Alfred Wegner
What is the movement of divergent plate boundaries?
Move apart
Which plate boundary adds new crust to Earth?
Divergent
Where do most divergent plate boundaries occur at on Earth?
At the bottom of oceans
What happens to the density as you go deeper inside the Earth?
It increases
What causes the continents to move?
Convection currents in the mantle
What is the movement of convergent plate boundaries?
Collide
What type of plate boundary creates mountain ranges? (Mention name and type of crust)
Convergent (Continential-Continential)
What type of plate boudary creates the Ring of Fire? List the name and types of crust.
Convergent - Oceanic/Continential
How does heat transfer from the inner core to the crust?
Convection
What was the name of the supercontinent that was made of all the continents?
Pangaea
What is the movement of transform plate boundaries?
Slide past each other
What landforms/activity occur at transform plate boundaries? List all that occur.
Earthquakes
Which type of plate boundary is constructive?
Divergent
What criteria does an index fossil have to meet?
What evidence do we have that Antarctica used to be located closer to the equator?
Tropical fossils found on Antartica
What occurs when oceanic crust collides with continential crust?
subduction
What landforms/activity occur at divergent plate boundaries? List all that occur.
Mid-Ocean Ridge, Rift Valley, Earthquakes
Which type of plate boundary is conservative?
Transform
List the layers of earth in order from most to least dense.
Inner core
Outer Core
Mantle
Crust
Name 1 piece of evidence that supports the theory of continential drift.
Mountain ranges across continents, similar fossils in different continents, tropical fossils in colder climates, continents fitting together like puzzle pieces
What causes one plate to subduct underneath another plate?
What landforms/activity occur at convergent plate boundaries? List all that occur.
Mountains, Deep Sea Trench, Earthquakes, Volcanoes
Which type of plate boundary is destructive?
Convergent