Download past exam questions - University of Idaho

Geol 101: Physical Geology
PAST EXAM QUESTIONS
LECTURE 2: ORIGIN OF THE SOLAR SYSTEM
2. Which of the following does NOT belong in a list of Earth systems?
A. lithosphere
B. hydrosphere
C. biosphere
D. asthenosphere
E. atmosphere
2. Although the universe is thought to be 12-15 billion years old, the earth is only though to be _________ years old.
A. 10 billion
B. 5 billion
C. 4.6 billion
D. 4.1 billion
E. 6010
2. The formation of the sun and planets was complete by about:
A. 15 billion years ago
B. 4.6 billion years ago
C. 15 million years ago
D. 4.6 million years ago
E. 2,007 years ago
2. During its formational stage, the solar system was called the (1) ___________, with the formation of the sun
and planets being complete by about (2) ________ years ago.
A. (1) big bang
(2) 15 billion years ago
B. (1) big bang
(2) 4.6 billion years ago
C. (1) solar nebula
(2) 15 million years ago
D. (1) solar nebula
(2) 4.6 million years ago
E. (1) solar nebula
(2) 4.6 billion years ago
2. Which of the following combinations are all considered to be Jovian planets?
A. Mercury – Mars – Saturn – Jupiter
B. Mars – Venus – Earth – Jupiter
C. Moon – Venus– Mars– Earth
D. Jupiter – Saturn – Uranus – Neptune
E. Mercury – Venus – Earth – Mars
2. The terrestrial planets are geologically most similar to Earth and occur in the following order in the solar system
(starting with the one closest to the Sun):
A. Mercury – Mars – Earth – Venus
B. Mercury – Venus – Earth – Mars
C. Mercury – Venus– Mars– Earth
D. Mars – Mercury – Earth – Venus
E. Venus – Mercury – Earth – Mars
2. Which of the following combinations are all considered to be terrestrial planets?:
A. Mercury – Mars – Earth – Jupiter
B. Mars – Venus – Earth – Jupiter
C. Moon – Venus– Mars– Earth
D. Pluto – Saturn – Neptune – Uranus
E. Mercury – Venus – Earth – Mars
2. The planets of the solar system that are geologically most similar to Earth are called the:
A. Jovian planets
B. terrestrial planets
C. plutonian planets
D. asteroids
E. gas giants
2. Which of the following is not one of the terrestrial planets?
A. Earth
B. Mars
C. Venus
D. Uranus
E. Mercury
2. The (1) _____ planets are mostly made up of the following two gases: (2) _____.
A. (1) terrestrial (2) Si and O
B. (1) terrestrial (2) H and He
C. (1) jovian (2) Si and O
D. (1) jovian (2) H and He
E. (1) outer (2) H and O
2. The process by which the Earth divided up into layers with different densities is called:
A. the big bang
B. nuclear fusion
C. densification
D. planetary layering
E. differentiation
2. Rock density is defined as:
A. the ratio of different minerals present
B. the resistance to flow
C. the amount of silica present
D. the mass in proportion to the volume
E. the amount of metal present
2. A rock with a density that is three times greater than that of water has a density of:
A. 3 g/cm3
B. 3 kg
C. 300 g/cm3
D. 300° F
E. it depends on the viscosity
2. A rock with a density that is five times greater than the density of water would have a density of:
A. 5 g/cm3
B. 5 kg
C. 500 g/cm3
D. 500 kg
E. water has no density
2. The layer in the Earth having the greatest density is the (1) __________. It is very dense because it contains a
lot of (2) ___________.
A. (1) crust; (2) silica
B. (1) crust; (2) silicon
C. (1) inner core; (2) iron
D. (1) inner core; (2) silica
E. all layers in the Earth have a similar density
2. Which of the following shows Earth’s internal layers in their correct order from the surface towards the
center?
A. crust, core, mantle
B. core, crust, mantle
C. lithosphere, asthenosphere, lower mantle, outer core, inner core
D. inner core, mantle, lithosphere, asthenosphere
E. inner core, outer core, lower mantle, upper mantle, lithosphere
2. Which of the following choices shows Earth’s internal layers in their correct order from the center towards the
surface?
A. inner crust, outer crust, mantle, core
B. core, crust, mantle
C. inner core, mantle, lithosphere, asthenosphere
D. inner core, outer core, lower mantle, asthenosphere, lithosphere
E. inner core, outer core, lower mantle, crust, lithosphere
2. The correct order of layers in the Earth from the surface to the center is:
A. crust, asthenosphere, lithosphere, mantle, core
B. crust, lithosphere, asthenosphere, lower mantle, outer core, inner core
C. core, mantle, crust
D. lithosphere, lower mantle, asthenosphere, outer core, inner core
E. asthenosphere, lithosphere, mantle, core
2. The lithosphere is made up of:
A. solid rock that behaves in a soft and squishy manner, like salt water taffy
B. the crust and the uppermost part of the mantle
C. the highest density rocks of all the Earth’s internal layers
D. continental crust and oceanic crust only
E. magma
2. The lithosphere is made up of:
A. the crust and the uppermost part of the mantle
B. solid rock that behaves in a ductile manner
C. only continental crust and oceanic crust
D. the highest density rocks out of all the Earth’s internal layers
E. all of the above
2. The lithosphere contains:
A. the crust and the uppermost part of the mantle
B. solid rock that behaves in a brittle manner
C. both continental crust and oceanic crust
D. the lowest density rocks of all the Earth’s internal layers
E. all of the above
2. The lithosphere is composed of:
A. the core, mantle, and crust
B. the asthenosphere and crust
C. the inner core, outer core, and mantle
D. the crust and the upper mantle
E. the lithosphere, atmosphere, hydrosphere and biosphere
2. Which of Earth’s internal layers has the consistency of salt-water taffy (soft and gooey)?
A. crust
B. lithosphere
C. asthenosphere
D. outer core
E. inner core
2. Which of Earth’s internal layers is completely liquid?
A. crust
B. lithosphere
C. asthenosphere
D. outer core
E. inner core
2. Which of the following layers inside the Earth has the highest density?
A. crust
B. lithosphere
C. asthenosphere
D. mantle
E. inner core
2. The inner core is composed mostly of:
A. silicon and oxygen
B. silica and oxygen
C. hydrogen and helium
D. iron and nickel
E. nickels and dimes