Oceanography 101

Quiz Questions - Chapter 1 - Introduction to Oceanography

1) The overall goal of science is:
a. to create better technology.
b. to develop hypotheses and theories.
c. to discover the origins of humans.
d. to find the origin of the universe.
e. to discover underlying patterns in the natural world.

2) Which of the following is a well-tested and widely accepted view that best explains certain observable facts?
a. theory
b. scientific method
c. rule
d. hypothesis
e. observation

3) Oceans cover 71 percent of the earth surface and have an average depth of about:
a. 2,444 feet (745 meters)
b. 12,100 feet (3688 meters)
c. 22,124 feet (6743 meters)
d. 29,935 feet (8850 meters)
e. 26,161 feet (11,022 meters)

4) Current estimates put the age of the Earth at about:
a. about 13.8 billion years
b. about 200 million years
c. about 6000 years
d. about 65 million years
e. about 4.55 billion years

5) Relative dating of geologic features involves:
a. using radioactivity to find the age of a rock.
b. using the law of superposition to compare the ages of rock layers.
c. comparing fossils found in rock layers.
d. placing events in their proper sequence or order without knowing their exact age in years.
e. answers b, c and d above.

6) What are the three types of rocks?
a. igneous, sedimentary, and metamorphic.
b. minerals, soils, and rocks.
c. weathering, transportation, and deposition.
d. igneous, sedimentary, and molten.

7) What is the name of theory that states "the physical, chemical, and biological laws that operate today have also operated in the geologic past."
a. hypothesis
b. superposition
c. uniformitarianism
d. historical geology
e. catastrophism

8) The Asteroid Belt is located between:
a. Venus and Earth.
b. Earth and Mars.
c. Mars and Jupiter.
d. Jupiter and Saturn.
e. Uranus and Neptune.

9) A moon in the solar system that has a subterranean ocean that is estimated to be more than two times the volume of Earth's oceans is:
a. Pluto
b. Enceladus
c. Europa
d. Ganymede

10) An object that enters the atmosphere and explodes with great force is called a:
a. galaxy.
b. comet.
c. asteroid.
d. bollide.
e. meteorite.

11) Except for a simply hydrogen atom, the nucleus of atoms are made up of:
a. protons and neutrons
b. neutrons and electrons
c. electrons and protons
d. none of the above

12) The most abundant element in the Earth’s crust is?
a. oxygen
b. silicon
c. aluminum
d. calcium
e. sodium

13) Minerals classed as “salts”:
a. are held together by covalent bonds
b. are held together by ionic bonds
c. are held together by metallic bonds
d. are held together by Van der Waals forces

14) The relative age of a volcanic intrusion might be determined by:
a. the Law of Original Horizontality
b. the Law of Superposition
c. the Law of Cross-Cutting Relationships
d. the Law of Angular Unconformities

15) The arrow in this view of the Grand Canyon (below) points toward:
a. a disconformity
b. an angular unconformity
c. a nonconformity
d. a conformable contact

Grand Canyon