An area of new land at the mouth of a river, formed by sediments carried by the river.
What is a delta?
100
This layer of the Earth has soft, melted rock.
What is the mantle?
100
Magma is known as this when it comes to the Earth's surface.
What is lava?
100
The point on the Earth's surface directly above the focus of an earthquake.
What is epicenter?
100
A large, thick sheet of ice that change the land around and beneath them.
What is glaciers?
200
Deep valleys with steep sides, generally formed by erosion from water.
What is canyons?
200
Blocks of crust and upper mantle rocks that fit together like puzzle pieces.
What is Tectonic Plates?
200
These are the materials that make a volcano.
What is lava, ash and other materials from eruptions?
200
The strength of an earthquake.
What is magnitude?
200
Hot, molten rock beneath the Earth's surface.
What is magma?
300
long, low hills formed by materials carried by a glacier. They contain rocks, sand, and clay deposited together.
What is a moraine?
300
The layer of the Earth made of solid iron. It is very hot and has great pressure.
What is the Inner Core?
300
An area that supplies a steady flow of magma that rises to the surface. Generally, as plates slowly move over this, volcanoes form in new locations, maybe even producing a chain of volcanoes.
What is hot spots?
300
Scale to measure the magnitude of an earthquake.
What is Richter scale?
300
A sand hill that is made and shaped by wind.
What is sand dune?
400
All of the landforms in a certain area.
What is topography?
400
This is the layer of the Earth made of solid rock.
What is the crust?
400
There are this many types of volcanoes.
What is 3?
400
Movements of the plates to cause an earthquake.
What is pushing together, sliding past each other, and plates pulling apart?
400
A movement of the ground caused by a sudden release of energy in Earth's crust.
What is an earthquake?
500
Wearing away rocks by natural means.
What is weathering?
500
The large amount of iron in the Earth's core and the flow of the liquid outer core around the solid inner core, makes the Earth act like this.
What is a magnet?
500
The Hawaiian Islands are this type of volcano.
What is a Shield Volcano?
500
Earthquakes occur here.
What is along a fault, or break in the Earth's crust?
500
Plates push together and one pushed on top of the other or crush together to form this.