CSU: ES 1010 Earth Science UNIT I ASSESSMENT March 2016

Question # 00230844 Posted By: Realteacher Updated on: 03/24/2016 10:23 AM Due on: 03/31/2016
Subject Geology Topic General Geology Tutorials:
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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.

Fine-grained

Vesicular

Coarse-grained

Porphytictexture

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

Ice

Dinner plate

Quartz

Glass

Halite

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).

Potassium feldspar


Olivine


Pyroxene


Amphibole


Biotitemica



5 points

Question 9

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

Neon


Aluminum


Chlorine


Oxygen


Calcium


Sodium


Phosphorus


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.

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