Laboratory Manual for Introductory Geology

Bradley Deline, Randa Harris, Karen Tefend

Chapter 7 Matter And Minerals - all with Video Answers

Educators

Chapter Questions

Problem 1

Sample 1: What is this sample’s hardness?
a. harder than glass
b. softer than glass but harder than nail
c. softer than nail but harder than copper
d. softer than copper but harder than a fingernail
e. softer than a fingernail

Jessica Waggener

Numerade Educator

03:07

Problem 2

Sample 2: What is this sample’s hardness?
a. harder than glass
b. softer than glass but harder than nail
c. softer than nail but harder than copper
d. softer than copper but harder than a fingernail
e. softer than a fingernail

Jessica Waggener

Numerade Educator

01:50

Problem 3

Sample 3: What is this sample’s hardness?
a. harder than glass
b. softer than glass but harder than nail
c. softer than nail but harder than copper
d. softer than copper but harder than a fingernail
e. softer than a fingernail

Jorge Villanueva

Numerade Educator

02:27

Problem 4

Sample 4: What is this sample’s hardness?
a. harder than glass
b. softer than glass but harder than nail
c. softer than nail but harder than copper
d. softer than copper but harder than a fingernail
e. softer than a fingernail

David Collins

Numerade Educator

02:15

Problem 5

Sample 5: What is this sample’s hardness?
a. harder than glass
b. softer than glass but harder than nail
c. softer than nail but harder than copper
d. softer than copper but harder than a fingernail
e. softer than a fingernail

David Collins

Numerade Educator

02:15

Problem 6

Sample 6. What is this sample’s hardness?
a. harder than glass
b. softer than glass but harder than nail
c. softer than nail but harder than copper
d. softer than copper but harder than a fingernail
e. softer than a fingernail

David Collins

Numerade Educator

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Problem 7

Sample 7: This sample has:
a. no cleavage (it fractures)
b. 1 cleavage plane
c. 2 cleavage planes at 90o
d. 3 cleavage planes at 90o
e. 4 cleavage planes

Victor Salazar

Numerade Educator

04:30

Problem 8

Sample 8: This sample has:
a. no cleavage (it fractures)
b. 1 cleavage plane
c. 2 cleavage planes not at $90^{\circ}$
d. 3 cleavage planes not at $90^{\circ}$
e. 4 cleavage planes

Rashmi Sinha

Numerade Educator

07:15

Problem 9

Sample $9:$ This sample has:
a. no cleavage (it fractures)
b. 1 cleavage plane
c. 2 cleavage planes not at $90^{\circ}$
d. 3 cleavage planes at $90^{\circ}$
e. 4 cleavage planes

Chris Trentman

Numerade Educator

04:30

Problem 10

Sample $10:$ This sample has:
a. no cleavage (it fractures)
b. 1 cleavage plane
c. 2 cleavage planes not at $90^{\circ}$
d. 2 cleavage planes at $90^{\circ}$
e. 4 cleavage planes

Rashmi Sinha

Numerade Educator

02:23

Problem 11

Sample 11: This sample has:
a. no cleavage (it fractures)
b. 1 cleavage plane
c. 2 cleavage planes not at $90^{\circ}$
d. 2 cleavage planes at $90^{\circ}$
e. 3 cleavage planes at $90^{\circ}$

John Piaszynski

Numerade Educator

02:27

Problem 12

Sample 11: What is this sample's hardness?
a. harder than glass
b. softer than glass but harder than nail
c. softer than nail but harder than copper
d. softer than copper but harder than a fingernail
e. softer than a fingernail

David Collins

Numerade Educator

02:23

Problem 13

Sample 12: This sample has:
a. no cleavage (it fractures)
b. 1 cleavage plane
c. 2 cleavage planes not at $90^{\circ}$
d. 2 cleavage planes at $90^{\circ}$
e. 3 cleavage planes not at $90^{\circ}$

John Piaszynski

Numerade Educator

01:24

Problem 14

Sample $12:$ What is this sample's hardness?
a. harder than glass
b. softer than glass but harder than nail
c. softer than nail but harder than copperd. softer than copper but harder than a fin-
gernail
e. softer than a fingernail

Crystal Wang

Numerade Educator

01:01

Problem 15

Sample $13:$ What is the streak of this sample?
a. dark gray streak
b. white streak
c. reddish brown streak
d. pale yellow streak

Narayan Hari

Numerade Educator

01:12

Problem 16

Sample $13:$ What is the luster of this sample?
a. non-metallic, vitreous
b. non-metallic, earthy
c. non-metallic, greasy
d. non-metallic, waxy
e. metallic

Narayan Hari

Numerade Educator

01:30

Problem 17

Sample 14 : What is the streak of this sample?
a. dark gray to black streak
b. white streak
c. reddish brown streak
d. pale yellow streak

Julian Wong

Numerade Educator