4th Grade SCIENCE: Chapter Five
Terms in this set (50)
A pulling force that acts on all objects
In many places, Earth's surface is angled, or __.
When a large amount of loose rock and soil moves rapidly, this occurs
No matter what causes a landslide, __ plays the main role.
The sides of a stream or river may overflow, causing a __.
When land changes into a river of mud and rock
__ change the shape of a hill or mountain rapidly.
Floods, landslides, and __ change the land quickly and may cause damage to property.
The Earth's outermost layer
Earth's crust is made of gigantic slabs of rock known as __.
These are the breaks and cracks in Earth's crust where plates come together.
When the Earth's plates move, these can occur
Movements in the Earth's crust, caused by a sudden shift of Earth's plates
Most earthquakes happen near the edges of the Earth's __.
The Earth's plates are always moving. The slow movement along faults is called __.
In a __ fault, the Earth's plates pull apart.
In a __ fault, the Earth's plates push together.
In a __ fault, rocks slide past each other in different directions.
The San Andreas Fault is an example of this type of fault.
The vibrations of an earthquake are strongest where the earthquake __.
A giant ocean wave
These are usually caused by earthquakes on the ocean floor
Earthquakes occur when plates move suddenly along a __.
A mountain that builds up around an opening in Earth's crust
The name for when melted rock, gases, and pieces of rock are forced out of a volcano
In a volcanic eruption, gases trapped in __, or melted rock, come to the surface.
A volcanic mountain forms when ash and lava build up around this
Magma can rise up through a central opening in a volcano named this
Once magma reaches Earth's surface it is named this
Most volcanoes occur along these
Sometimes volcanoes form where Earth's plates move apart, and also along the edges of spreading plates. When this happens together, these are called __ volcanoes.
Most rift volcanoes form along an __ floor
A place where magma partially melts through Earth's crust
As a plate moves over a hot spot, this rises, forming a volcano
A dormant volcano is one that does not __.
A volcano's shape depends on the kind of __ that erupts from it.
This steep-sided volcano is shaped like a cone
A cup-like shape that forms around the vent of a volcano
This type of volcano has sides that are wide and flat
The Hawaiian Islands are an example of this type of volcanoes
This kind of volcano is usually symmetric, which means the shape on one side of the cone matches the shape on the other side
The world's largest volcano, named Mauna Loa, is this type of volcano
A volcanic mountain forms when lava and __ build up around the vent.
A __ chamber lies at the base of a volcano formation
Plates make up the Earth's __.
The Himalaya Mountains were formed by a __ fault.
The force of an earthquake on the ocean floor can cause a large __ to form.
Once magma reaches Earth's surface it is called
When lava flows over Earth, it cools and hardens. Over time it causes a __ to form.
Hawaii is an active volcano, which means the volcano is still __.
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THIS SET IS OFTEN IN FOLDERS WITH...
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4th Grade SCIENCE: Chapter Seven