WorksheetsRock Cycle and Formation Assessment
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What type of rock is formed from compaction and cementation of sediments, which is then melted by intense heat, then cools and crystalizes underground?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
All of the above
2.
Which type of rock forms when sediments are compacted and cemented together?
a)
Igneous rock
b)
Sedimentary rock
c)
Metamorphic rock
d)
Crystalline rock
3.
What type of rock is formed from compaction and cementation of sediments?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
All of the above
4.
Metamorphic rocks are formed by:
a)
The cooling of molten rock
b)
The accumulation of dead organisms
c)
Heat and pressure changing existing rocks
d)
The erosion of mountains
5.
What is the primary process that forms igneous rocks?
a)
Weathering and erosion
b)
Heat and pressure
c)
Melting and cooling of magma or lava
d)
Compaction of sediments
6.
What is the difference between intrusive and extrusive igneous rocks?
a)
Intrusive rocks form underwater, extrusive above water
b)
Intrusive rocks form slowly inside Earth, extrusive form on the surface
c)
Intrusive rocks contain fossils, extrusive do not
d)
Intrusive rocks are always darker than extrusive rock
7.
Clastic sedimentary rocks are formed from:
a)
Chemical precipitation
b)
Organic material
c)
Fragments of other rocks
d)
Volcanic ash
8.
What role does heat play in the rock cycle?
a)
It only affects igneous rocks
b)
It breaks down all rocks into sediments
c)
It can melt rocks and change their composition
d)
It only affects rocks on Earth's surface
9.
Which characteristic is most common in crystalline rocks?
a)
Layered appearance
b)
Interlocking mineral crystals
c)
Presence of fossils
d)
Rough, fragmented texture
10.
What happens to minerals during metamorphism?
a)
They completely dissolve
b)
They recrystallize under pressure
c)
They turn into magma
d)
They break into sediments
11.
How are extrusive igneous rocks typically characterized?
a)
Large crystal size
b)
Small crystal size
c)
No crystals at all
d)
Only quartz crystals
12.
What is the main difference between sediments and sedimentary rocks?
a)
Sediments are loose particles, sedimentary rocks are compacted and cemented
b)
Sediments are always organic, sedimentary rocks are always inorganic
c)
Sediments are found in water, sedimentary rocks on land
d)
Sediments are crystalline, sedimentary rocks are not
13.
Which process is NOT part of the rock cycle?
a)
Melting
b)
Photosynthesis
c)
Weathering
d)
Compaction
14.
What determines the size of crystals in igneous rocks?
a)
The type of minerals present
b)
The amount of pressure applied
c)
The rate of cooling
d)
The rock's location on Earth
15.
Which type of rock is most likely to contain fossils?
a)
Metamorphic
b)
Igneous
c)
Sedimentary
d)
Crystalline
16.
What happens to existing rocks when subjected to extreme heat and pressure?
a)
They immediately melt
b)
They form new minerals and textures
c)
They break into sediments
d)
They become igneous rocks
17.
Which statement about the rock cycle is correct?
a)
It only moves in one direction
b)
It has a definite beginning and end
c)
Any rock type can become any other rock type
d)
It only occurs in mountain regions
18.
What is the primary difference between minerals and rocks?
a)
Minerals are always harder than rocks
b)
Rocks are made up of one or more minerals
c)
Minerals only form underground
d)
Rocks are always crystalline
19.
Which process transforms magma into igneous rock?
a)
Weathering
b)
Cooling and crystallization
c)
Compaction
d)
Metamorphism
20.
Which factor does NOT influence metamorphic rock formation?
a)
Temperature
b)
Time
c)
Tides
d)
Pressure
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