Changing Landforms Question Preview (ID: 32626)

a) mountains and canyons

b) cliffs and sand dunes

c) volcanoes and deltas

d) all of the above

a) mantle

b) magma

c) core

d) crust

a) In the mantle, magma constantly rises and sinks, making the crust move.

b) Meteors constantly hit the surface, making the mantle shake.

c) The spin of the planet causes vibrations that set the plates in motion.

d) Very hot metals inside Earth’s core act like magnets and pull the plates in different directions.

a) When two continental plates collide, a trench will always form.

b) When two continental plates collide, mountains can form as a result of the land being pushed up.

c) When an oceanic plate and a continental plate collide, the continental plate will probably go under the oceanic plate.

d) Earthquakes happen when a continental or oceanic plate moves over a hot spot.

a) Landforms can form when Earth’s plates move toward or away from each other.

b) Plants and people sometimes change landforms.

c) Sand dunes, deltas, and peninsulas are all examples of landforms.

d) Landforms always change very slowly, often over millions of years.

a) lava

b) magma

c) volcanic rock

d) metamorphic rock

a) Water can get into cracks and freeze, making rocks split apart.

b) Glaciers can carve out U-shaped valleys and transport rocks over long distances.

c) Both A and B are true

d) Neither A nor B is true

a) a child digging in the dirt

b) people in a neighborhood deciding to cut down all their trees

c) a construction truck flattening some land to build a new store

d) a dam breaking and sending a mudslide down a mountain

a) metamorphic

b) sedimentary

c) igneous

d) none of the above

a) mountain

b) oceanic trench

c) island

d) canyon

a) mountain

b) oceanic trench

c) canyon

d) island