6th Grade Science Reviewd- Shane

Approximately how many lithospheric plates are there

• about 3

• about 6

• about 12 (large ones)

• about 24

New oceanic crust forms at

• divergent plate boundaries/ mid-ocean ridges

• convergent plate boundaries

• transform plate boundaries

At what type of plate boundary do earthquakes usually occur

• convergent

• divergent

• transform

The Hawaiian islands formed at a

• convergent boundary

• divergent boundary

• transform boundary

• none of these / hot spots

Which of the following are not associated with convergent plate margins?

• deep-focus earthquakes

• rift valleys

• island arcs

• deep sea trenches

The part of the earth that is a liquid is the

• crust

• mantle

• outer core

• inner core

The ancient continent that contained all the landmass is called

• Pangaea

• Gondwana

• Laurasia

• Panthalass

The type of tectonic plate boundary involving a collision between two tectonic plates is

• divergent

• transform

• convergent

• normal

The type of tectonic plate boundary that sometimes has a subduction zone is

• divergent

• transform

• convergent

• normal

The San Andrea fault is an example of a

• divergent boundary

• transform boundary

• convergent boundary

• normal boundary