Earthquakes
Volcanoes
More Volcanoes
Soil
This and That
100
A giant wave of water approaching the shore as a result of a major earthquake
What is a tsunami
100
before lava reaches the surface it is called this
What is magma
100
a major volcanic belt that circles the Pacific Ocean
What is the ring of fire
100
This process occuring by wind or water can cause the loss of soil that is not protected by plant cover
What is erosion
100
The most important factores in determining the rate of weathering are rock type and this
What is climate
200
The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordian
What are p waves
200
When groundwater heated by magma rises to the surface and collects in a natural pool it is called this
What is a hot spring
200
Groundwater heated by a nearby body of magma can spray from the ground under pressure, forming one of these
What is a geyser
200
this describes the management of soil to prevent its destruction
What is soil conservation
200
This kind of weathering causes the mineral composition of rocks to change
What is chemical weathering
300
geologists can determine earthquake risk by locating where these are active
What is a fault
300
the Hawaiian Islands formed as a plate moved over one of these and formed volcanoes
What is a hot spot
300
A volcano that is erupting or may erupt in the near future is classified as this
What is active
300
Humus makes soil this, or fertile in nutrients that plants need to grow.
What is fertile
300
The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called this
What is abrasion
400
These are used to record the ground movements caused by seismic waves
What is a seismograph
400
volcano hazard that is made up of rocky particles about the size of a grain of sand
What is volcanic ash
400
Magma flows upward through cracks in rock because it is ______ than the surrounding solid material
What is dense
400
Bacteria and fungi in soil are called this because they break down dead plants and animals
What are decomposers
400
the transfer of heat by the movement of heated fluid is called this
What is convection
500
type of boundary where two plates slip past each other, moving in opposite directions
What is transform boundary
500
A continental plate collides with an oceanic plate at this type of boundary
What is convergent
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