GEOL 100 Exam 1 Questions And
Answers Verified 100% Correct!!!
Humans have been on Earth for ___ of Earth's history CORRECT ANSWERS less than
1%
The approximately spherical shape of Earth was: CORRECT ANSWERS known by the
Greeks more than 2000 years ago.
Earth's topography refers to: CORRECT ANSWERS ground elevations above or below
sea level.
Without accepting the principle of uniformitarianism, geologists could not: CORRECT
ANSWERS determine the temperature at which water froze to ice 1 billion years ago.
Detecting the layering of Earth's interior was first made possible by the development of
a machine to record: CORRECT ANSWERS seismic waves.
___________ and ____________ are by far the most plentiful elements in Earth's crust.
CORRECT ANSWERS Oxygen and silicon
Earth is older than the Moon. The Moon is now interpreted to have formed about:
CORRECT ANSWERS 100 million years after Earth formed.
Which of the following has NOT been credited as a cause of mass extinctions in the
past? CORRECT ANSWERS human intervention
Which of the following is (are) important topic(s) for the field of geology? CORRECT
ANSWERS All of the answers are correct.
When scientists develop a scientific model, what do they produce? CORRECT
ANSWERS a specific explanation, based on many hypotheses and theories, of how a
geologic process operates in nature
What is the field of geodesy? CORRECT ANSWERS the study of Earth's shape and its
surface
What are the four most common elements, making up about 90% of Earth's
composition? CORRECT ANSWERS iron, oxygen, silicon, magnesium
Potential causes proposed to explain major extinctions of organisms on Earth include
which of the following? CORRECT ANSWERS All of the answers are correct.
What is the approximate age of Earth? CORRECT ANSWERS 4,600,000,000 years
Answers Verified 100% Correct!!!
Humans have been on Earth for ___ of Earth's history CORRECT ANSWERS less than
1%
The approximately spherical shape of Earth was: CORRECT ANSWERS known by the
Greeks more than 2000 years ago.
Earth's topography refers to: CORRECT ANSWERS ground elevations above or below
sea level.
Without accepting the principle of uniformitarianism, geologists could not: CORRECT
ANSWERS determine the temperature at which water froze to ice 1 billion years ago.
Detecting the layering of Earth's interior was first made possible by the development of
a machine to record: CORRECT ANSWERS seismic waves.
___________ and ____________ are by far the most plentiful elements in Earth's crust.
CORRECT ANSWERS Oxygen and silicon
Earth is older than the Moon. The Moon is now interpreted to have formed about:
CORRECT ANSWERS 100 million years after Earth formed.
Which of the following has NOT been credited as a cause of mass extinctions in the
past? CORRECT ANSWERS human intervention
Which of the following is (are) important topic(s) for the field of geology? CORRECT
ANSWERS All of the answers are correct.
When scientists develop a scientific model, what do they produce? CORRECT
ANSWERS a specific explanation, based on many hypotheses and theories, of how a
geologic process operates in nature
What is the field of geodesy? CORRECT ANSWERS the study of Earth's shape and its
surface
What are the four most common elements, making up about 90% of Earth's
composition? CORRECT ANSWERS iron, oxygen, silicon, magnesium
Potential causes proposed to explain major extinctions of organisms on Earth include
which of the following? CORRECT ANSWERS All of the answers are correct.
What is the approximate age of Earth? CORRECT ANSWERS 4,600,000,000 years
