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WorksheetsRocks and Rock Cycle
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
A rock that contains fossil seashells was most likely formed as a result of?
a)
Volcanic activity
b)
Sedimentation
c)
Heat and pressure
d)
. Magma and cooling
2.
Sedimentary rock is formed when grains of sediment undergo
a)
metamorphism
b)
compaction and cementation
c)
melting
d)
solidification
3.
Which of the following set of characteristics best describes sedimentary rocks?
a)
crystal structure, definite chemical composition, inorganic, naturally occurring, solid
b)
glassy, lava flow, porphyritic, vesicular
c)
dull, fossils, rock pieces, strata
d)
foliation, index minerals
4.
¿Qué debe pasar con los sedimentos para que se conviertan en roca?
a)
meteorización, erosión y deposición
b)
compactación y cementación
c)
fusión, enfriamiento y solidificación
d)
calor y presión
5.
Cuando las rocas sufren erosión, intemperie, compactación y cementación, se convierte en:
a)
magma
b)
roca ignea
c)
roca sedimentaria
d)
conos volcanicos
6.
The diagram show layers of sedimentary rocks and examples of their fossils. Which layer contains the oldest fossils?
a)
Layer 1
b)
Layer 2
c)
Layer 3
d)
Layer 4
7.
What are strata?
a)
mineral fragments
b)
minerals crystallized out of solution
c)
fossils in sedimentary rock
d)
layers in sedimentary rock
8.
What kind of sedimentary rock is made of fragments of rocks cemented together by a mineral?
a)
organic
b)
stratified
c)
chemical
d)
clastic
9.
What kind of sedimentary rock is made from solutions of dissolved minerals and water?
a)
organic
b)
chemical
c)
stratified
d)
clastic
10.
What kind of sedimentary rock is made from fossils?
a)
organic
b)
stratified
c)
chemical
d)
clastic
11.
What is the process called in which sedimentary rocks are arranged in layers?
a)
erosion
b)
extrusion
c)
weathering
d)
stratification
12.
1. In classifying igneous rocks, which of the following is not important?
a)
Mineral composition
b)
Hardness
c)
Crystal size
d)
Texture
13.
Volcanic activity on Earth’s surface most likely results in the formation of which of the following types of rock?
a)
Mineral composition
b)
Extrusive igneous rock
c)
Clastic sedimentary rock
d)
Chemical sedimentary rock
14.
The type of rocks that forms when lava or magma cools and minerals crystallize are
a)
igneous
b)
sedimentary
c)
metamorphic
d)
corrosive
15.
Which two processes result in the formation of igneous rock?
a)
Burial and cementing
b)
Weathering, erosion, and deposition
c)
Recrystallization and cementation
d)
Melting and solidification
16.
What do minerals and rocks BOTH have in common?
a)
both are made of many minerals
b)
both are naturally occuring
c)
both are organic
d)
both have definite crystalline structures
17.
Ricardo has an igneous rock in his rock collection. Where did this rock most likely form?
a)
in a volcano
b)
on a forest floor
c)
on a coral reef
d)
at the bottom of a river
18.
Igneous rocks have large grains or crystals because they
a)
cool quickly
b)
cool slowly underground
c)
contain rare minerals
d)
have a rough mixture
19.
What kind of texture does igneous rock have when magma cools slowly?
a)
coarse-grained
b)
large-grained
c)
fine-grained
d)
medium-grained
20.
A sample of basalt has smaller crystals than a sample of granite. What is the most likely reason for this? The basalt
a)
forms when magma cools slowly
b)
forms when magma cools quickly
c)
contains lighter elements than granite
d)
contains heavier elements than granite
21.
Obsidian and pumice are extrusive igneous rocks and lack crystals. Why is it that these rocks do not have crystals?
a)
There are no minerals in magma.
b)
The lava cooled slowly, deep inside the Earth.
c)
The lava cooled too quickly above the Earth to allow for the formation of crystals.
d)
The pressure was too great to make any crystals.
22.
In classifying igneous rocks, which of the following is not important?
a)
Mineral composition
b)
Hardness
c)
Crystal size
d)
Texture
23.
Metamorphic rock forms when
a)
magma cools and hardens.
b)
minerals crystallize out of sea water.
c)
heat and pressure change the composition and texture of a rock.
d)
natural cement binds rock fragments together.
24.
Where would you most likely find a metamorphic rock?
a)
Deep in the Earth
b)
on the ocean floor
c)
next to a river
d)
in a volcano
25.
When tremendous heat and pressure is applied to sandstone deep within the Earth's crust, marble forms. It is a _____ rock
a)
chemical sedimentary
b)
extrusive igneous
c)
nonfoliated igneous
d)
nonfoliated metamorphic
26.
In order to create a metamorphic rock, what must be present?
a)
magma
b)
lava
c)
existing rock
d)
sediment
27.
What do minerals and rocks BOTH have in common?
a)
both are made of many minerals
b)
both are naturally occuring
c)
both are organic
d)
both have definite crystalline structures
28.
Most rocks are composed of
a)
minerals and organic matter
b)
cement and rock fragments
c)
sand and mud
d)
man-made solids with crystals
29.
When limestone is exposed to enough heat and pressure, it goes through physical changes. These changes can turn limestone into a different kind of rock called marble. Which of the BEST describes the change?
a)
It is an igneous rock
b)
It is a synthetic rock
c)
It is a sedimentary rock
d)
It is a metamorphic rock
30.
Process other than heat that causes metamorphism.
a)
foliated
b)
pressure
c)
deformation
d)
nonfoliated
31.
Rock in which the composition and texture of the rock have been changed by heat and pressure is called
a)
felsic rock
b)
mafic rock
c)
igneous rock
d)
metamorphic rock
32.
This Rock Is Sedimentary. Which observation about the rock best supports this classification?
a)
The rock is composed of several minerals.
b)
The rock has large grains.
c)
The rock contains fragments of other rocks.
d)
The rock shows distorted and stretched pebbles.
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