Exam 1: ESC1000 UF questions with
complete solutions
The statement "carbon dioxide levels measured in the atmosphere have risen from ~320 ppm
(parts per million) to >400 ppm since 1958" is an example of: - correct answer
✔✔data/observations
Which of the following is true regarding your weight and mass on Earth compared to on Jupiter?
(Jupiter has a greater gravitational acceleration than Earth). Mass would be the same, but
weight different on earth vs. Jupiter - correct answer ✔✔Your mass would be the same on both
planets, but your weight would be greater on Jupiter
Density is calculated by which of the following formulas? - correct answer ✔✔mass/volume
Heating of a material will have what effect? - correct answer ✔✔Decrease the density
Adding thermal energy to a material will cause: - correct answer ✔✔The atoms to vibrate faster
Which of the following are the correct freezing temperatures of pure water at atmospheric
pressure? - correct answer ✔✔32° Fahrenheit and 0° Celsius
The prime meridian goes through England and is defined as 0° longitude - correct answer
✔✔True
If you walked/sailed around the Earth at 40° N latitude you would walk the same distance as if
you walked/sailed around the Earth at the equator - correct answer ✔✔False
All lines of longitude go through the center of the earth cut the earth in half - correct answer
✔✔True
, Which of the following is true regarding the internal compositional layering within the Earth? -
correct answer ✔✔the inner and outer core are both composed of iron (& nickel) metal, but the
outer core is liquid and the inner core is solid
The Earth's crust is the thinnest, least dense, and outermost compositional layer of the earth -
correct answer ✔✔True
Which of the following is/are true regarding continental crust? - correct answer ✔✔it is variable
in composition
On the basis of the concept of isostasy, which of the following is true regarding the relationship
between crustal thickness and Earth's surface elevations? - correct answer ✔✔surface
elevations are higher where the crust is thicker
How old is the Earth? - correct answer ✔✔4.6 Ga (billion years old)
What are the two most abundant elements within the Earth's crust? - correct answer ✔✔Silicon
and oxygen
What is meant by the term crystalline in mineral sand rocks? - correct answer ✔✔there is an
orderly arrangement of atoms in the solid
A single silica tetrahedron is made of one silicon atom and 4 oxygens - correct answer ✔✔True
Which of the following mineral groups is most common in rocks of the earth's continental crust?
- correct answer ✔✔silicates
complete solutions
The statement "carbon dioxide levels measured in the atmosphere have risen from ~320 ppm
(parts per million) to >400 ppm since 1958" is an example of: - correct answer
✔✔data/observations
Which of the following is true regarding your weight and mass on Earth compared to on Jupiter?
(Jupiter has a greater gravitational acceleration than Earth). Mass would be the same, but
weight different on earth vs. Jupiter - correct answer ✔✔Your mass would be the same on both
planets, but your weight would be greater on Jupiter
Density is calculated by which of the following formulas? - correct answer ✔✔mass/volume
Heating of a material will have what effect? - correct answer ✔✔Decrease the density
Adding thermal energy to a material will cause: - correct answer ✔✔The atoms to vibrate faster
Which of the following are the correct freezing temperatures of pure water at atmospheric
pressure? - correct answer ✔✔32° Fahrenheit and 0° Celsius
The prime meridian goes through England and is defined as 0° longitude - correct answer
✔✔True
If you walked/sailed around the Earth at 40° N latitude you would walk the same distance as if
you walked/sailed around the Earth at the equator - correct answer ✔✔False
All lines of longitude go through the center of the earth cut the earth in half - correct answer
✔✔True
, Which of the following is true regarding the internal compositional layering within the Earth? -
correct answer ✔✔the inner and outer core are both composed of iron (& nickel) metal, but the
outer core is liquid and the inner core is solid
The Earth's crust is the thinnest, least dense, and outermost compositional layer of the earth -
correct answer ✔✔True
Which of the following is/are true regarding continental crust? - correct answer ✔✔it is variable
in composition
On the basis of the concept of isostasy, which of the following is true regarding the relationship
between crustal thickness and Earth's surface elevations? - correct answer ✔✔surface
elevations are higher where the crust is thicker
How old is the Earth? - correct answer ✔✔4.6 Ga (billion years old)
What are the two most abundant elements within the Earth's crust? - correct answer ✔✔Silicon
and oxygen
What is meant by the term crystalline in mineral sand rocks? - correct answer ✔✔there is an
orderly arrangement of atoms in the solid
A single silica tetrahedron is made of one silicon atom and 4 oxygens - correct answer ✔✔True
Which of the following mineral groups is most common in rocks of the earth's continental crust?
- correct answer ✔✔silicates
