What vocabulary term means "The bowl-shaped depression around the mouth of the volcano”?
Crater
100
When a volcano erupts, magma comes spewing out. Once this magma cools, what does it become?
Igneous Rock
100
What tools are commonly used for recording data and findings on volcanoes?
These tools are cameras, satellite imagers, webcams, etc.
100
What volcano erupted in 79AD and is famous for covering a whole city (including people) in ash and encasing bodies and buildings in stone.
Mt. Vesuvius, Pompeii
100
What percent of Earth's volcanoes are found in the Ring of Fire?
seventy-five percent (75%)
200
What vocabulary term means “A place where magma melts through the Earth’s crust”?
Hotspot
200
How can volcanic eruptions create islands?
When volcanoes eruot and their magma cools, it forms igneous rock. Vegetation and other plants and living organisms can be carriend by seed in the wind or other ways. Then, they are grown by the sun and precipitation, creating an island complete with vegetation.
200
What tools are used for watching and recording ear quakes?
These are called seismometers and there are also seismographs.
200
What volcano in the US erupted in 1980 and caused the largest and most devastating lanslide in history?
Mt. Saint Helens, Washington, US
200
What is the origin of the word volcano?
"Vulcan" means god of fire. "Volcano" means a hole in which magma erupts through.
300
What vocabulary term means “A lump of magma thrown out of a volcano when it is currently molten”?
Bomb
300
How do volcanoes benefit farming?
Volcanic soil is best for farming and growing certain crops. Some crops grow best in volcanic soil.
300
What instruments are used to measure the unbalance of the ground?
These instruments are called EDM Leveling, GPS, and tilt.
300
What volcano is one of the most well known volcanoes, especially for its 39 eruptions, the most recent being in !284?
Mauna Loa, Hawaii
300
Besides spewing out lava, what are two of the several natural disasters that are caused?
Flash floods, earthquakes, tsunamis, mudflows, and rock falls.
400
What vocabulary term means “A channel in the neck of a volcano where magma erupts”?
Central Vent
400
What two minerals is volcanic soil rich in?
Volcanic soil is rich in metal and iron ores.
400
What tools are used to measure and record the flow of lava?
These tools are VLF, and Em-31
400
What volcano erupted in 1883 and was well-known for being heard from 5,000 kilometers away?
Krakatoa, Indonesia
400
Besides tectonic plate boundaries, wher can volcanoes be formed?
Hotspots
500
What vocabulary term means “A large crack in Earth in which lava can flow”?
Fissure
500
What types of crops are grown in volcanic soil the best?
Chocolate, herbs, tomatoes, cauliflower, onions, flowers, and grape vines are most commonly grown in vocanic soil.
500
What instrument is used to measure the gas that is from volcanoes?
This tool is called COSPEC (correlation spectrometer)
500
What volcano is most famous for erupting in 2010 and causing many hardships and devastation?
Eyjafajallajökull, Iceland
500
What three terms are used to represent how often a volcano erupts?
Active: constantly erupting or has been erupting for years
Dormant: is active, but not currently erupting and anticipated to erupt in coming years
Extinct: likely to never erupt again.