Definition
a tall landform that rises to a peak
mountain
the flattest kind of landform
plains
What is formed when a river meets the ocean?
a delta
Earth's plates move about as slowly as your _______________ grow.
melted rock
magma
a high landform with a flat top
plateau
These are created by strong flows of water.
Deep valleys
What is the area of land drained by flowing water?
a drainage basin
Plates are made of _______________ and the _______________ part of Earth's mantle.
crust, upper
melted rock that has reached Earth's surface
lava
the liquid layer below Earth's mantle
outer core
Sand dunes
ocean ridges
A _______________ is a bend in the rock layers.
fold
What is an event when a volcano forces materials from Earth's interior out of its opening?
eruption
a vibration caused by an earthquake
seismic wave
These mountains are formed by melted rock.
volcanoes
What is the part of the land that is covered by the sea?
continental shelf
The _______________ the earthquake, the _______________ the lines.
stronger, longer
What four things are sent out from volcanic eruption?
melted rock, gases, ash, rocks
an instrument that detects and records earthquakes
seismograph
Rivers form narrow, steep sided valleys called these.
canyons
What are Earth's 4 layers?
crust, mantle, outer core, inner core
List three ways you can stay safe in an earthquake.
A) Duck under a table/doorway
B) Keep away from walls and windows
C) Stay away from trees, power lines, or anything that can fall down
places where Earth's crust is very thin