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WorksheetsLearning Task 1: Lesson 5 (Types of Rocks)
Total questions: 10
Worksheet time: 7mins
Which of the following is the least description of a rock?
solid
heavy
naturally occurring
aggregate of minerals
Which of the following statements is TRUE about metamorphic rocks?
They are formed from pre-existing rocks.
They are subjected to cold and high pressure.
They are composed of plant and animal materials.
It is formed from the deposition and cementation of minerals and organic particles.
Which of the following rock contains large crystals?
diorite
scoria
basalt
andesite
Estelle collected samples of sedimentary rocks from the riverbank of Pansipit. She grouped the rocks according to their characteristics. In the first group, she observed attached shells on the samples. While in the second group, she observed pebbles attached to it. What type of sedimentary rocks did Estelle collect from the riverbank?
The first group is clastic sedimentary rocks while the second is a chemical sedimentary rock.
The first group is clastic sedimentary rocks while the second is an organic sedimentary rock.
The first group is chemical sedimentary rocks while the second is a clastic sedimentary rock.
The first group is organic sedimentary rocks while the second is a clastic sedimentary rock.
When the magma solidifies on the surface of the Earth, what possible igneous rock may be formed?
scoria
gabbro
granite
peridotite
Obsidian is a rock formed through fast solidification on air when a volcano erupts. What type of rock is obsidian?
plutonic igneous rock
volcanic igneous rock
extensive igneous rock
intensive igneous rock
Which type of rock contains plants’ and animals’ remains?
clastic rock
foliated rock
organic rock
chemical rock
Despite being exposed to intense heat and pressure, non-foliated rocks did not form bands. Which of the following rocks is non-foliated?
slate
gneiss
marble
phyllite
Which of the following CANNOT be used to classify igneous rocks?
grain size
color
percentage of mineral composition
none of the above
Hornfels are formed from which type of metamorphism?
regional
dynamic
contact
semi-regional
