Rock Types
What is a mountain with a vent at the peak?
Volcano
What comes out of volcanos?
Hot Vapor and Gas
How accurate are volcano predictions?
They are unreliable
How does the percentage of silica (SiO2) affect the rock type?
Determining its mineral composition, texture, and color.
When does Santa deliver presents?
Between 9:00 p.m. and midnight on Christmas Eve.
This rock is black and glassy and is the result of some volcanos. What is it called?
Obsideon
What common gas comes out of volcanos 24/7?
Water Vapor
What does it mean when you see a orange sign with an eye in it?
Volcano Watch
Water vapor (H2O) is ____________
The most prevalent volcanic gas
What is the name of Braden Kreischer's Grandma?
Janett
What is the Definition of a Mafic Rock?
Relating to, denoting, or containing a group of dark-colored, mainly ferromagnesian minerals such as pyroxene and olivine.
What is the massive amount of ash and gas that causes breathing problems?
Pyroclastic Material
How do people find future volcanic assessments?
Based on the record of past eruptions on various time scales, integrated with results of volcano surveillance.
What are the primary minerals that make up volcanic rocks?
Feldspar, pyroxene, olivine, and quartz.
How old is Spongebob?
Mid-20s
What is the definition of Felsic Rocks?
Relating to or denoting a group of light-colored minerals including feldspar, feldspathoids, quartz, and muscovite.
What is the impact on the environment from a volcanic eruption?
Volcanic gases can contribute to atmospheric changes, including climate effects and ozone depletion
How can Hotspots help people?
The magma plume causes melting and thinning of the rocky crust and widespread volcanic activity.
Ninety-nine percent of the gas molecules emitted during a volcanic eruption are?
Water vapor (H2O), carbon dioxide (CO2), and sulfur dioxide (SO2)
How old is Braden Kreischer?
16
Caldera.
What is the Chemical Formula for Water, Carbon Dioxide, and Sulfur Dioxide?
H2O, CO2, SO2
How far back can we correctly guess when a volcano erupts?
Reliable forecasts are rarely possible more than a few days in advance of an eruption.
What is the role of volatile compounds (like water vapor) in volcanic rock formation and eruption dynamics?
Influencing the viscosity of magma, significantly impacting eruption dynamics.
Who was the president of 1987?
Ronald Reagan