Plate Tectonics

Front

According to the plate tectonic theory, where is new oceanic crust being formed?

Back

mid ocean ridges

Front

Evidence used by Alfred Wegener in his theory of continental drift EXCEPT: fossils of the same plants and animals on different continents, matching rock layers on different continents, continents fitting together like a puzzle.

Back

convection currents in the mantle

Front

What is the landform created when 2 continental plates collide? Options: mountain range, mid ocean basin, volcano, canyon

Back

mountain range

Front

The circular flow of magma due to differences in temperature and density that occur in the mantle is called

Back

convection currents

Front

The Earth's outer layer, the lithosphere, is broken up into large chunks called ________ that move on top of the mantle due to convection.

Back

tectonic plates

Front

Crust is neither created nor destroyed at the type of boundary where plates slide past each other. What is this boundary?

Back

transform boundary

Front

What types of crust were involved in the collision that formed the Himalaya Mountains? Options: continental to continental crust, continental and oceanic crust, Oceanic and oceanic crust, lithospheric and mesospheric

Back

continental to continental crust

Front

The mid ocean ridge is an example of which type of boundary?

Back

divergent

Front

Which statement is true about earth's tectonic plates?

Back

they are constantly moving

Front

Seafloor spreading occurs at what kind of plate boundary?

Back

divergent