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Earth's Structure/ Earthquakes/ Volcanoes
Earth's Structure / Earthquakes / Volcanoes
52
Geology
6th Grade
02/04/2010

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Cards

Term
The study of the earth
Definition
Geology
Term
Name the 3 major parts of the earth
Definition
Crust, Mantle, and the Core
Term
Who are people that study the earth called?
Definition
Geologists
Term
Thin layers of soil, and a thick layer of sand and mineral fragments
Definition
sediments
Term
The boundary between the crust and the mantle
Definition
Moho
Term
What is the process that causes rocks to break or crumble?
Definition
Weathering
Term
What is it called when rock is broken down by rock or blown sand
Definition
physical weathering
Term
What occurs when acids slowly eat into the rock and break it apart?
Definition
chemical weathering
Term
What is the inner core made of?
Definition
solid mass of hot metal
Term
What is the outer core made of?
Definition
molten iron and nickel (in liquid form)
Term
The innermost region of the earth
Definition
Core
Term
The outermost layer of the earth
Definition
crust
Term
The middle layer of the earth
Definition
mantle
Term
Huge waves caused by sudden movements of plates
Definition
tsunami
Term
Any trembling or shaking of the earth's crust
Definition
earthquake
Term
A weak earthquake
Definition
tremor
Term
The study of earthquakes
Definition
seismology
Term
Scientists who study earthquakes
Definition
seismologists
Term
A vent that allows molten rock and gases to escape the earth
Definition
volcano
Term
Where most volcanoes are formed
Definition
Ring of Fire
Term
Underwater mountain ridges
Definition
Mid-oceanic ridge
Term
Where most earthquakes are found
Definition
seismic belt
Term
These develop when two plates slide against each other
Definition
earthquakes
Term
The point underground where an earthquake begins
Definition
focus
Term
The smallest fragment of tephra
Definition
volcanic ash
Term
An earthquake's strength
Definition
Magnitude
Term
A depression found at the top of a volcano
Definition
crater
Term
Where hot gases and molten rock are trapped until it explodes
Definition
Magma Chamber
Term
An opening in the earth's crust that releases built up pressure
Definition
vent
Term
Volcanic ash, volcanic bombs and lapilli are examples of what?
Definition
Tephra
Term
The break that appears in an earthquake
Definition
Fault
Term
This place usually receives the most damage from an earthquake because it's directly above the focus.
Definition
epicenter
Term
These emit gas from the earth long after volcanic activity
Definition
Fumorales
Term
Very hot liquid trapped inside the earth
Definition
Magma
Term
Very hot liquid rock above the earth's surface
Definition
Lava
Term
This kind of eruption can produce large amounts of fluid lava that surges like a fountain
Definition
Hawaiian eruptions
Term
This can be formed when two plates collide
Definition
Mountain
Term
This kind of volcano has not erupted as far as we know
Definition
Extinct Volcano
Term
Mt. Ranier is what kind of volcano?
Definition
Composite
Term
The most violent eruption
Definition
Plinian eruption
Term
This measures the size of an earthquake
Definition
Richter Scale
Term
Name the 3 ways to classify a volcano
Definition
1. How it is FORMED
2. Kind of ERUPTION
3. Level of ACTIVITY
Term
Name 3 different kinds of volcanoes by how they are FORMED.
Definition
1. Composite
2. Cinder Cone
3. Shield
Term
This volcano alternates layers of lava and tephra forming a steep mountain with a small crater at the top
Definition
Composite Volcano
Term
This volcano is formed by tephra, and erodes quickly.
Definition
Cinder Cone
Term
This volcano is dome shaped and grows in diameter (across) when it gets too high for the lava to overflow from the top
Definition
Sheild Volcano
Term
Name a real-life example of a composite volcano
Definition
Mt. Ranier, or Fuji, or Versuvius, or Mt. St. Helen
Term
Name an example of a cinder cone volcano
Definition
Paricutin, or Sunset Crater, or Puu Puuai in Hawaii
Term
Name an example of a shield volcano
Definition
The Hawaiian Islands (Like Mauna Loa)
Term
This kind of eruption produces volcanic bombs
Definition
Strombolian Eruption
Term
This kind of eruption produces fluid lava
Definition
Hawaiian Eruption
Term
This kind of eruption sends hot clouds of gases and dust around the world
Definition
Plinian Eruption
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