WorksheetsMAGMATISM ; IGNEOUS ROCKS
Total questions: 10
Worksheet time: 5mins
IT COMPOSED OF SEMILIQUID HOT MOLTEN ROCKS.
LAVA
MAGMA
INTRUSIVE ROCK
EXTRUSIVE ROCK
IT IS THE FORMATION AND MOVEMENT OF MAGMA UNDER THE EARTH'S CRUST.
METAMORPHISM
MAGMATISM
LAVA
MAGMA
WHICH OF THE FOLLOWING ELEMENT HAS THE GREATEST PERCENTAGE IN MAGMA COMPOSITION?
ALUMINUM
IRON
OXYGEN
SILICON
MAGMA IS FORMED THROUGH THE FOLLOWING PROCESS EXCEPT_.
addition of SO2
addition of water
addition of CO2
melting of minerals
MELTING OF MAGAMA INCLUDES THE FOLLOWING EXCEPT_.
INCREASE IN TEMPERATURE
DECREASE OF PRESSURE
ADDITION OF VOLATILES
ADDITION OF OXYGEN
IGNEOUS ROCKS are commonly found in the surface and beneath the Earth, specifically in convergent boundaries, divergent boundaries, subduction zones and hot spots.
TRUE
FALSE
Gabbro, diorite and granite are example of what kind of igneous rocks?
INTRUSIVE
EXTRUSIVE
Obsidian, basalt and scoria are example of what kind of igneous rocks?
INTRUSIVE
EXTRUSIVE
Ultramafic igneous rocks have the following characteristics except_.
low silica content, less than 60%
magma has very low viscosity
black to olive green color
high density
contains pyroxene and olivine minerals
Felsic igneous rocks have the following characteristics except_.
very high silica content, more than 65%
low viscosity
light color
low density
