A Fork in the Road
The Flip Side
A Grim Diagnosis
Iron it Out
Ashes, ashes, we all fall down
100
What is the process of magma rising thorugh layers of rock called?
What is Intrusion
100
What benefit of volcanoes is most useful for farmers?
What is soil rejuvenation
100
This sign that a volcano might erupt can be measured on a seismometer?
What is Increase in number of earthquakes
100
What type of volcanic rock has the least silica in it?
What is Basalt
100
What electrical phenomenon can be caused by a volcanic eruption?
What is lightning
200
Magma that intrudes and cools across several layers is called what?
What is Dike
200
What benefit of volcanoes would provide electricity for your house?
What is geothermal energy
200
What change in the surface of a volcano could mean that the volcano might erupt?
What is inflation
200
What type of volcanic rock has the least iron and magnesium in it?
What is Rhyolite
200
When ash from a volcano mixes with water in a cloud what weather pattern occurs?
What is Rain
300
Magma that cools between two layers is called what?
What is Sill
300
What benefit of volcanoes is most appreciated by real estate agents
What is building topography
300
What sign that a volcano might erupt soon can you smell
What is increased emission of volcanic gases
300
A rock rich in silica is described as what?
What is felsic
300
What product of explosive eruptions can warm the Earth?
What are Volcanic gases such as carbon dioxide
400
What is the pool of magma at the bottom of a volcano called?
What is Magma chamber
400
What benefit of volcanoes helps us build roads and countertops
What is resources or building materials
400
When a magma chamber empties as the result of a volcanic eruption, what process occurs on the volcano
What is deflation
400
What is the process that melts rock when it rises inside the Earth?
What is Decrease in pressure
400
What product of explosive eruptions can cool the Earth?
What is Ash
500
The depression at the top of a volcano has this name
What is Crater
500
What term is used to describe the formation of our atmosphere by volcanoes?
What is outgassing
500
What formation is created by inflation and sudden deflation of a magma chamber?
What is Caldera
500
What is the most common way that melt is formed at subduction zones?
What is addition of water
500
What part of the atmosphere must an eruption column enter to have a global effect?
What is Stratosphere
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