CSU: ES 1010 Earth Science UNIT I ASSESSMENT March 2016

CSU: ES 1010 Earth Science

UNIT I ASSESSMENT

Question 1

1.
Which rock type represents the highest
grade of metamorphism?

Slate	Slate
Phyllite	Phyllite
Schist	Schist
Gneiss	Gneiss

2
points

Question 2

1.
Which common mineral is composed
entirely of silicon and oxygen?

Calcite	Calcite
Diamond	Diamond
Olivine	Olivine
Quartz	Quartz

2
points

Question 3

Regional metamorphism occurs during
__________.

intrusion of magma

mountain building

sheeting of exposed plutons of granite

chemical weathering of limestone in caves

2
points

Question 4

Imagine you are handed a mineral sample.
It breaks with a conchoidal fracture, but displays no cleavage. It does not
react with hydrochloric acid, is a light pink color, and has a nonmetallic
luster. It is harder than a streak plate, and has a specific gravity of 2.65.
What mineral is it?

Olivine

Potassium feldspar

Calcite

Quartz

2
points

Question 5

1.
Which of the four “spheres” is
responsible for sculpting the Earth’s landforms?

Atmosphere

Hydrosphere

Geosphere

Biosphere

2
points

Question 6

1.
Match the texture of the igneous rock with
the process that formed it.

– A. B. C. D. E. F. Fine-grained – A. B. C. D. E. F. Vesicular – A. B. C. D. E. F. Coarse-grained – A. B. C. D. E. F. Porphytictexture – A. B. C. D. E. F. Glassy texture

A. Magma cooled slowly at the surface or upper crust B. Magma cooled rapidly, contained tiny gas bubbles C. Magma of high silica content was ejected into the atmosphere, cooling immediately D. Magma cooled in two separate environments, first slowly, then more quickly E. Magma cooled slowly, beneath the surface F. Magma that cooled rapidly at the surface or upper crust

5
points

Question 7

1.
Match the items in the first column with
the correct descriptions in the second column

– A. B. C. D. E. F. Ice – A. B. C. D. E. F. Dinner plate – A. B. C. D. E. F. Quartz – A. B. C. D. E. F. Glass – A. B. C. D. E. F. Halite – A. B. C. D. E. F. Coal

A. A mineral made of oxidized hydrogen B. An item that is solid like a mineral, has definite chemical composition, and shows distinctive physical properties, but is not naturally occurring C. Silicate mineral consisting solely of silicon and oxygen, with silicon-oxygen tetrahedra bonded in a complex three-dimensional network D. An item that is solid like a mineral, has definite chemical composition, and shows distinctive physical properties, but does not have an orderly crystalline structure E. A mineral consisting of a poisonous gas ionically bonded to an extremely reactive metal F. A rock composed of nonmineral matter

7
points

Question 8

1.
Place the following igneous rocks in
order of cooling (high temperature to low temperature).

–
1.
2.
3.
4.
5.

Potassium feldspar

–
1.
2.
3.
4.
5.

Olivine

–
1.
2.
3.
4.
5.

Pyroxene

–
1.
2.
3.
4.
5.

Amphibole

–
1.
2.
3.
4.
5.

Biotitemica

5
points

Question 9

1.
Place the following elements in order
according to the number of valence electrons (low to high).

–
1.
2.
3.
4.
5.
6.
7.
8.

Neon

–
1.
2.
3.
4.
5.
6.
7.
8.

Aluminum

–
1.
2.
3.
4.
5.
6.
7.
8.

Chlorine

–
1.
2.
3.
4.
5.
6.
7.
8.

Oxygen

–
1.
2.
3.
4.
5.
6.
7.
8.

Calcium

–
1.
2.
3.
4.
5.
6.
7.
8.

Sodium

–
1.
2.
3.
4.
5.
6.
7.
8.

Phosphorus

–
1.
2.
3.
4.
5.
6.
7.
8.

Carbon

Question
10

List and describe the different
characteristics of sedimentary rocks and discuss the processes that change
sediment into sedimentary rock.

Question
11

List the eight most abundant elements
in the continental crust.

Question
12

Describe the characteristics a
substance must possess in order to qualify as a mineral.

Question
13

Explain, with examples, how a change
in each sphere will affect each of the other three spheres.