Volcanoes
Earthquakes
Rocks
Misc.
100
Classify this volcano:
large, layered with evidence of different types of lava having occurred in the past, volcano is not currently active
dormant, composite cone volcano
100
Occurs when rocks move apart, forming a gap
normal fault
100
What is the process of breaking down rocks?
Weathering.
100
What is the primary force behind erosion?
gravity
200
Classify this volcano:
expected to erupt again within 5 years, bowl-shaped crater at top, one main vent
active, cinder cone volcano
200
How is the earthquake's magnitude measured?
The Richter scale calculates an earthquake's magnitude (size) from the amplitude of the earthquake's largest seismic wave recorded by a seismograph.
200
what are the multiple different layers of soil called?
horizons
200
Who studies volcanos?
Volcanologist
300
An avalanche-like emission of red-hot dust and gases from a volcanic eruption, killed the people of Pompeii
Pyroclastic Flow
300
Occurs when rocks push together forcing a section of rock upward
reverse fault
300
Name 3 types of chemical weathering.
Transforming rocks into new substances:
oxidation, carbonic acid, acid rain, lichens.
300
What type of scientist studies soil?
Pedologist.
400
What causes a volcanic eruption?
heated magman rising to the surface, a hot spot
400
Occurs when rocks move horizontally past each other
strike-slip fault
400
Name 4 of the types of mechanical weathering
Physically breaking rocks into smaller pieces: frost wedging, frost heaving, pressure release, exfoliation, abrasion.
400
What forms when unmelted snow gets compacted down into ice?
Glacier.
500
What is a group of many volcanoes located around the edges of the Pacific Ocean?
Ring of fire
500
Name 2 of the 3 causes of an earthquake?
shifting of crust/plates, removal of large amounts of earth, molten rock under volcano
500
What is soil texture?
The way soil feels based on how much sand (largest), silt, and clay (smallest) are in the soil.
500
Name 3 of the 5 types of mass soil movements
soil creep, earth flow, mudflow, avalanche, rockslide