Chapter 7 &8 Review

___ are formed when two continental plates collide.

Features found at divergent plate boundaries include__.

Elastic strain occurs under which conditions?

the ___ is (are) an example of transform boundary

there was a clump of snow on the sidewalk. elana stomped on it and felt it flatten.this type of stress is called ____

when does elastic strain occur

___ currents inside earth might drive plate motion

plates of the lithosphere float on the ___

Continental-continental plate collisions produce___.

seafloor spreading occurs because___.

the hypothesis that continets were assembled as part of a supercontinent about ___ years ago

the presence of the same ___ on several continents supports the hypothesis of continental drift

in order to complete a convection current the rising material must eventually ___ earth

scientists have observed that the continents move apart or come together at speeds of a few centimeters per ____

the driving forces of tectonic plates are related to convection currents in earth's ___

When does plastic strain occur?

plates move apart at ___ boundaries

Scientists Believe the differences in___cause hot, plastic like rock in the asthenosphere to rise toward earth's surface

Plates slide past one another at ___.

fault-block mountains occur where ____

The Himalayan mountain range of India was formed at a

a ___ forms where two oceanic plates collide

continental drift states that continents have moved ___ to their current location

Bands of rock on the seafloor showing alternating magnetic orientation indicate Earth's magnetic field has

which process takes rock to the inside of earth

The___ is (are) an example of a transform boundary.

Why do continents float on top of the mantle?

the result of plate movement can be seen at ___

many early mapmakers though earths continents had moved based on ____

what does subduction do?

Which of the following explain(s) the existence of the rock cycle?

a hot spot can also form when two oceanic plates collide?

A lack of explanation for continental drift prevented many scientists from accepting that a single supercontinent called

How does uplift contribute to the rock cycle?

the crust and upper mantle make up earths ___

the existence of coal beds in Antarctica indicates that the continent once had

wegener believed that the continents were assembled as part of supercontinent about ___ years ago

the youngest part of the ocean floor is found ___

what happens to the continental crust under a mountain as the mountain erodes

the youngest rocks on the ocean floor are located ____

The Great Rift Valley in Africa is a ___ ?

The boundary between two plates moving yogether is called a___.

Folds form instead of faults where which of the following happens?

The downward part of concection current causes a sinking force that___.