Plate types
Which boundary includes 2 tectonic plates pushing against each other?
Convergent
What happens when two continental plates collide?
Mountain forms
What causes continental drift?
Tectonic plates
Father of continental drift
Alfred Wegener
What is the term that explains the formation of underwater mountain ranges?
sea floor spreading
Which boundary involves two tectonic plates moving away from each other?
Divergent
What happens when one tectonic plate subducts under another?
Volcanoes
What causes mountains to be made?
Convergent plate boundaries
Who discovered sea floor spreading?
Harry Hess
Fossils, Rocks, Climate
Transform
What happens when two continental plates pull apart?
Rift valleys
What is the name of the longest mid ocean ridge
mid Atlantic ridge
What is another name for the supercontinent?
Pangea
Name one example of a convection current
boiling pot of soup
2nd floor heat rising in a home
lava lamp
Which boundary could allow a denser plate to subduct under a less dense plate?
Convergent
What happens when two oceanic plates pull apart?
mid ocean ridges
What is the name of the largest rift valley
African Rift Valley
What is the name of the theory that says continents move slowly over earth's surface?
Continental drift theory
What do scientists believe is the force responsible for the plate tectonics theory?
convection currents
Which boundary could cause earthquakes?
Convergent, Transform, Divergent
What is the result of two plates sliding past one another?
erathquakes
Causes newer rock to form in the center and older rock is further away from the center.
sea floor spreading
Which layer of earth behaves like plastic?
Asthenosphere
Name the 3 forces that cause plate motion
basal drag, ridge push, slab pull