WorksheetsRock Cycle
Total questions: 15
Worksheet time: 6mins
Geologists have classified rocks into three major groups of rocks which are:
inorganic, organic and chemical rocks
igneous, sedimentary and metamorphic rocks
metamorphic, chemical and non chemical rocks
sedimentary, inorganic and igneous rocks
A rock that forms from many small fragments of other rocks is a(n)
igneous rock
metamorphic rock
sedimentary rock
extrusive rock
What kind of igneous rock usually contains large crystals?
inorganic
extrusive
organic
intrusive
Which rock cycle process causes many sedimentary rocks to have visible layers?
eruption
intrusion
crystallization
deposition
If heat and pressure inside Earth cause the texture and crystal structure of a rock to change, what new material is formed?
sedimentary rock
metamorphic rock
igneous rock
chemical rock
Which rock is formed form the cooling of volcanic ash on Earth's surface?
intrusive igneous
foliated metamorphic
extrusive igneous
organic sedimentary
Name the rock found in Croagh Patrick
Marble
Limestone
Sandstone
Quartzite
What time period was Irish Limestone created.
Carboniferous
Precambrian
Triassic
Cretaceous
What are the layers in sedimentary rock called?
Bedding planes
Strata
Hexagons
What is foliation?
Cooling of lava
Deposition on the sea floor into layers of rock
Mineral grains flattened and rearranged into thin bands
Weathering and erosion of rock into sediment
A trailing plate margin occurs where there is an absence of earthquake activity.
False
True
