15 Questions
What is the temperature of the lava when it erupts?
1,100 degrees Celsius
What type of flows are Hawaiian volcanoes famous for?
Smooth and gentle pahoehoe flows
What does sulfur dioxide help with in the context of the text?
Assists in pushing the lava up and out of the surface
What is a caldera as mentioned in the text?
A big hole at the top of a volcano
Who is Bill Kato in the context of the text?
A volcanologist working at the volcano observatory
What is the typical color of obsidian rock?
Black
Which type of rock has a gritty, medium-grained texture?
Sedimentary rock
Which type of rock is typically smooth with small, wavy bands?
Metamorphic rock
Which type of rock is known for its glassy, smooth texture with no visible grains?
Igneous rock
Which type of rock is typically not greasy or shiny in appearance?
Sedimentary rock
Which mineral is described as having a dark-green color?
Pyroxene
Which mineral is known for its softness and is used to make talcum powder?
Talc
Which mineral has a greasy or soapy texture?
Talc
Which mineral is shiny and used in watch glass and parts?
Quartz
Which mineral is described as hard and dull in appearance?
Pyroxene
Test your knowledge on different types of minerals found in rocks such as Pyroxenes, Olivine, Feldspars, Quartz, and Talc. Learn about the uses and characteristics of these minerals in various industries.
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