Quiz about Earth science Minerals and igneous rocks

Question 1

Most of the common rock-forming minerals belong to a group called the what?

Accepted Answer

silicates

Answer

elements

Answer

oxygen

Answer

halites

Question 2

The resistance of a mineral to being scratched

Accepted Answer

hardness

Answer

streak

Answer

cleavage

Answer

fracture

Question 3

The way a mineral reflects light.

Accepted Answer

luster

Answer

streak

Answer

cleavage

Answer

fracture

Question 4

The color of a mineral in its powdered form.

Accepted Answer

streak

Answer

luster

Answer

gold

Answer

brown

Question 5

Minerals that break along smooth, flat surfaces.

Accepted Answer

cleavage

Answer

fracture

Answer

streak

Answer

luster

Question 6

Minerals that break on rough, jagged, uneven surfaces.

Accepted Answer

fracture

Answer

streak

Answer

splinter

Answer

cleavage

Question 7

What mineral is attracted to magnets?

Accepted Answer

magnetite

Answer

halite

Answer

calcite

Answer

talc

Question 8

Which two minerals are commercial sources of iron?

Accepted Answer

hematite and magnetite

Answer

galena and graphite

Answer

muscovite mica and biotite mica

Answer

garnet and flourite

Question 9

Which element, found in both biotite mica and muscovite mica, makes up the greatest percent by volume of Earth's crust?

Accepted Answer

oxygen

Answer

silicon

Answer

nirtogen

Answer

potassium

Question 10

Which mineral is commonly used as an abrasive?

Accepted Answer

garnet

Answer

halite

Answer

sulfue

Answer

graphite

Question 11

Which mineral is commonly mined as a source of the element lead (Pb)?

Accepted Answer

galena

Answer

quartz

Answer

magnetite

Answer

gypsum

Question 12

Which material is made mostly of the mineral quartz?

Accepted Answer

window glass

Answer

sulfuric acid

Answer

pencil lead

Answer

plaster of paris

Question 13

Silicate minerals contain the elements silicon and oxygen. Which list contains only silicate materials

Accepted Answer

potassium feldspar, quartz, and amphibole

Answer

graphite, talc, and selenite gypsum

Answer

calcite, dolomite, and pyroxene

Answer

biotite mica, fluorite, and garnet

Question 14

The table shows some properties of four different minerals.

The minerals listed in the table are varieties of which mineral?

Accepted Answer

quartz

Answer

garnet

Answer

magnetite

Answer

olivine

Question 15

Mineral A is most likely

Accepted Answer

galena

Answer

garnet

Answer

olivine

Answer

halite

Question 16

What is the density of this mineral sample?

Accepted Answer

6 g/mL

Answer

24 g/mL

Answer

34 g/mL

Answer

60 g/mL

Question 17

Which physical property of this mineral is most easily seen in the photograph?

Accepted Answer

cleavage

Answer

fracture

Answer

hardness

Answer

streak

Question 18

A human fingernail has a hardness of approximately 2.5. Which two minerals are softer than a human fingernail?

Accepted Answer

graphite and talc

Answer

calcite and halite

Answer

sulfur and fluorite

Answer

pyrite and magnetite

Question 19

What is the best way to determine if a mineral sample is calcite or quartz?

Accepted Answer

Place a drop of acid on the mineral.

Answer

Observe the color of the mineral.

Answer

Place the mineral near a magnet.

Answer

Measure the mass of the mineral.

Question 20

Which mineral is composed of Calcium and Fluorine?

Accepted Answer

Fluorite

Answer

Amphiboles

Answer

Calcite

Answer

Hematite

Question 21

The diagram represents top and side views of a model of the silicate tetrahedron.

This tetrahedron is found in large amounts in the Earth's

Accepted Answer

lithosphere

Answer

hydrosphere

Answer

troposphere

Answer

stratosphere

Question 22

This structure is called a

Accepted Answer

tetrahedron

Answer

cube

Answer

sphere

Answer

cylinder

Question 23

The mineral mica breaks evenly along flat sheets mainly because of its

Accepted Answer

atomic arrangement

Answer

chemical composition

Answer

hardness

Answer

density

Question 24

Although diamonds and graphite both consist of the element carbon, their physical properties are very different. The most likely explanation for these differences is that

Accepted Answer

the internal arrangement of carbon atoms is different in each mineral

Answer

graphite contains impurities not found in diamonds

Answer

graphite contains radioactive carbon-14 but diamonds do not

Answer

diamonds contain silicate tetrahedra but graphite does not

Question 25

Two minerals made of pure carbon are diamond and graphite. Which statement best explains why diamond is so much more resistant to scratching than graphite

Accepted Answer

The atoms are bonded together more strongly in diamond than in graphite.

Answer

The atoms are lighter in graphite than in diamond.

Answer

The atoms are heavier in graphite than in diamond.

Answer

The atoms are smaller in graphite than in diamond.

Question 26

This property is most closely related to the

Accepted Answer

arrangement of atoms in the mineral

Answer

impurities found in the mineral

Answer

softness of the mineral

Answer

density of the mineral

Question 27

The data table provides evidence that

Accepted Answer

a few elements are found in many minerals

Answer

the same elements are found in all minerals

Answer

all elements are found in only a few minerals

Answer

all elements are found in all minerals

Question 28

Which property is most useful in distinguishing pyroxene from amphibole?

Accepted Answer

angles of cleavage

Answer

sample size

Answer

hardness

Answer

type of luster

Question 29

Emily was looking at a rock and saw tiny crystals.  Emily should know that all rocks are made up of _____.

Accepted Answer

minerals

Answer

diamonds

Answer

fossils

Answer

dirt

Question 30

Question 30.

Accepted Answer

Galena

Answer

Gold

Answer

Hematite

Answer

Pyrite

Question 31

Question 31.

Accepted Answer

streak

Answer

luster

Answer

scratch

Answer

hardness

Question 32

The table above provides information about four minerals, A through D. Mineral A is most likely...

Accepted Answer

Galena

Answer

Garnet

Answer

Olivine

Answer

Halite

Question 33

Quartz and halite have different crystal shapes primarily because

Accepted Answer

The internal arrangement of atom

Answer

Light reflects from crystal surfaces

Answer

Energy is released during crystallization

Answer

Of impurities that produce surface variations

Question 34

The accompanying data table shows the mass and volume of four different minerals. Which mineral has the greatest density?

Accepted Answer

Mineral D

Answer

Mineral A

Answer

Mineral B

Answer

Mineral C

Question 35

Which of the following is not a requirement for an object to be classified as a mineral?

Accepted Answer

it must break along even patterns

Answer

it must have a definite chemical composition

Answer

it must occur naturally

Answer

it must be solid

Question 36

Which mineral is produced when two atoms of Sulfur combine with one atom of iron?

Accepted Answer

pyrite

Answer

garnet

Answer

hematite

Answer

magnetite

Question 37

An unidentified mineral that is softer than calcite exhibits a metallic luster and cubic cleavage. This mineral most likely is

Accepted Answer

galena

Answer

pyrite

Answer

halite

Answer

pyroxene

Question 38

Different arrangements of tetrahedra in the silicate group of minerals result in differences in the minerals

Accepted Answer

hardness, cleavage, and crystal shape

Answer

age, density, and smoothness

Answer

cleavage, color, and abundance

Answer

chemical composition, size, and origin

Question 39

Scratching a mineral against a glass plate is a method used for determining the mineral's

Accepted Answer

hardness

Answer

color

Answer

luster

Answer

cleavage

Question 40

Which mineral is produced when two atoms of iron chemically combine with three atoms of oxygen?

Accepted Answer

hematite

Answer

garnet

Answer

pyrite

Answer

magnetite

Question 41

The five characteristics that all minerals share are:

Accepted Answer

Definite Chemical Composition,  Crystal Structure, Inorganic, Naturally Occurring, and Solid

Answer

Definite Chemical Composition, Color, Density, Igneous, and Solid

Answer

Cleavage, Faces, Hardness, Metamorphic, and Streak

Answer

Cleavage, Crystal Structure, Density, Igneous, and Solid

Question 42

This rock  is formed from molten rock (magma/lava) that has cooled.

Accepted Answer

Igneous

Answer

Inorganic

Answer

Metamorphic

Answer

Sedimentary

Question 43

Hot, molten rock inside the earth is called ...

Accepted Answer

magma

Answer

lava

Answer

igneous rock

Answer

minerals

Question 44

Once magma reaches the earth's surface, it is called __________.

Accepted Answer

lava

Answer

a vent

Answer

minerals

Answer

igneous rocks

Question 45

This rock cooled on the outside of a volcano and contained gas pockets when it was forming. What type of rock is this?

Accepted Answer

Igneous

Answer

Sedimentary

Answer

Metamorphic

Question 46

A slow cooling igneous rock will have _____ crystals

Accepted Answer

large

Answer

small

Answer

average

Answer

black

Question 47

Texture is based on:

Accepted Answer

size & shape of a rock's mineral grains

Answer

how/where a rock forms

Answer

the minerals a rock is made up of

Question 48

Which igneous rock is dark colored, cooled rapidly on Earth's surface, and is composed mainly of plagioclase feldspar, olivine, and pyroxene?

Accepted Answer

scoria

Answer

obsidian

Answer

rhyolite

Answer

gabbro

Question 49

The igneous rock is mostly composed of potassium feldpsar and quartz crystals that have an average grain size of 3 millimeters. The igneous rock is most likely

Accepted Answer

granite

Answer

pegmatite

Answer

gabbro

Answer

pumice

Question 50

What is the origin and rate of formation of this rock?

Accepted Answer

volcanic with rapid cooling

Answer

plutonic with slow cooling

Answer

plutonic with rapid cooling

Answer

volcanic with slow cooling

Question 51

Which igneous rock has a vesicular texture and

contains the minerals potassium feldspar and quartz?

Accepted Answer

pumice

Answer

Andesite

Answer

pegmatite

Answer

scoria

Question 52

Which intrusive igneous rock could be composed of

approximately 60% pyroxene, 25% plagioclase

feldspar, 10% olivine, and 5% amphibole?

Accepted Answer

gabbro

Answer

granite

Answer

rhyolite

Answer

basalt

Question 53

Biotite mica and muscovite mica have different

chemical compositions. Compared to the magma

from which biotite mica forms, the magma from

which muscovite mica forms is usually

Accepted Answer

more felsic and less dense

Answer

more mafic and less dense

Answer

more mafic and more dense

Answer

more felsic and more dense

Question 54

Rocks are classified as igneous, sedimentary, or

metamorphic based primarily on their

Accepted Answer

method of formation

Answer

Texture

Answer

Crystal or grain size

Answer

mineral composition

Question 55

Which of these can determine the size of grains in igneous rocks?

Accepted Answer

cooling rate of molten rock

Answer

amount of rare minerals

Answer

distance from a plate boundary

Answer

size of the volcano

Question 56

This rock was formed when magma cooled very slowly inside the Earth. What specific type of rock is it?

Accepted Answer

Intrusive Igneous Rock

Answer

Extrusive Igneous Rock

Answer

Foliated Metamorphic Rock

Answer

Clastic Sedimentary Rock

Question 57

This rock formed when lava cooled very quickly on Earth's surface. What specific type of rock is it?

Accepted Answer

Extrusive Igneous Rock

Answer

Intrusive Igneous Rock

Answer

Non-Foliated Metamorphic Rock

Answer

Biochemical Sedimentary Rock

Question 58

Two ways to describe types of igneous rocks are _____

Accepted Answer

Extrusive and Intrusive

Answer

Foliated and Non-Foliated

Answer

Clastic and Biochemical

Answer

Black and Gray

Question 59

Which igneous rock is dark colored, cooled rapidly on Earth's surface, and is composed mainly of plagioclase feldspar, olivine, and pyroxene

Accepted Answer

Scoria

Answer

Obsidian

Answer

Rhyolite

Answer

Gabbro

Question 60

Which igneous rock is formed from magma that cooled slowly and is composed of 5% amphibole, 8% biotite, 15% plagioclase feldspar, 37% quartz, and 35% potassium feldspar?

Accepted Answer

granite

Answer

rhyolite

Answer

diorite

Answer

scoria

Question 61

Which igneous rock could physically weather to

beach sand that contains the minerals pyroxene,

plagioclase feldspar, and olivine?

Accepted Answer

gabbro

Answer

dunite

Answer

granite

Answer

peridotite

Question 62

Which characteristic of the granite intrusion provides the most evidence that it solidified deep

underground?

Accepted Answer

coarse texture

Answer

very hard

Answer

light color

Answer

felsic composition

Earth science Minerals and igneous rocks

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