The sudden occurrence of a violent discharge of steam and magma
What is a volcanic eruption
100
The whole network of streams and lakes that come together to form one river
What is a river system
100
Severe winters and cool summers
What is the polar climate
100
Thick beds of sediment that have slowly solidified into rock
What is Sedimentary Rock
100
The sudden rise in sea level caused by high winds pushing water toward coastlines
What is a storm surge
200
The break point where earth’s plates move suddenly, causing an earthquake
What is an epicentre
200
A large curve in a river
What is a meander
200
Hot temperatures in every season and a lot of moisture
What is a tropical climate
200
Changed rock
What is Metamorphic Rock
200
A storm originating in the tropics and marked by high winds and often heavy rain, such as hurricanes, cyclones and typhoons
What is a tropical storm
300
A long high wave caused by an undersea earthquake; a Japanese term meaning “harbour wave”
What is a tsunami?
300
A curved lake formed at a former oxbow where the main stream of the river has cut across the narrow end and no longer flows
What is oxbow lake
300
Moderate temperature conditions year round
What is a temperate climate
300
Solidified magma from inside the earth
What is Igneous Rock
300
The rapid, spiralling winds of the tornado
What is a vortex
400
The “bulge” in the ocean’s surface caused by the pull of the moon’s gravity, which becomes high tide at each place it travels to
What is a tidal wave?
400
The tree-like drainage pattern created if rivers cross a gradual slope over one basic type of rock.
What is Dendritic Drainage
400
Very dry weather conditions
What is a desert climate
400
Slabs of solid rock of the earth’s crust that is broken up into pieces that fit together like a puzzle. They float on top of the molten magma of the earth’s mantle
What are tectonic plates
400
The area of the United States that has the highest concentration of tornadoes
What is tornado alley
500
Changes that occur in landforms
What is landform process
500
The rectangular drainage pattern created if rivers flow through alternating bands of hard and soft rock
What is Trellis Drainage
500
Cooler than places at lower altitudes; often with heavy precipitation if located near coastlines
What is a mountain climate
500
Sedimentary rock pushed upward to create these
What are fold mountains
500
A weather phenomenon originating from warm ocean waters as cool air blows into the base of swirling mounds of warm, moist air heated by the sun