Volcanoes
Vent or opening in the crust
What is a volcano?
Lava with smooth or billowy surface and flows easily
What is pahoehoe?
Cyclones in the Western Pacific
What is a typhoon?
The three types of seismic waves
What are S- waves, P waves, and Surface waves?
These melt holes in the surface
What are hot spots?
This uses water levels and lasers, it registers changes in the earth
What is a tiltmeter?
A rapidly rotating funnel cloud
What is a tornado?
The three requirements for wildfires
What are oxygen, fuel, heat?
The three categories of volcano activity
What are active, dormant, and extinct?
The main ingredients of lava
What are silicate and gas?
This has rotating storm system, forms over warm water, wind speed over 74 mph
What is tropical cyclone?
This measures strength of an earthquake
What is the Richter Scale?
Powerful thunderstorms, clouds take an anvil shape, hail is possible, and can form tornadoes
What are supercells?
These cause eruptions
What are magma density and pressure?
Three benefits of volcanic eruptions
What are fertile soil, building materials, pumice, diamonds, and scientific data?
Spiraling bands of clouds
What are rain bands?
This measures windspeed and destruction of a tornado
What is the Fujita Scale?
The three purposes of a volcano
What are cooling system for the earth, recycle atmospheric gases, replenish soil with nutrients?
Three warning signs of volcanic eruption
What are type or volume of gases, earthquakes, rocks and water heat up, steam and smoke?
A long, horizontal pluton
What is a sill?
Solid extrusive materials such as ash and rock
What are pyroclasts?