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Section 1: Universe
- 13.8 billion years old
- Quarks, protons, neutrons, electrons all formed within first second
- ~3 minutes later, nucleosynthesis: fusion of hydrogen to form helium
- Elements heavier than hydrogen and helium come far after, using the
Geology Chapter 8
Study online at quizlet.com/_27zix0
What are three
Atomic explosions, landslides, volcanic
possible causes of eruptions
are not faulting?
What is a fault
Geology Chapter 1
Study online at quizlet.com/_27vlci
When did the Big
13.8 billion years ago
What is the Doppler
Soundwaves compress or relax with
Geology Chapter 3
Study online at quizlet.com/_27w222
What is the
of a mineral?
- Naturally occurring solid
- Formed by geologic processes
- Has a crystalline structure
- Has a definable chemical
Geology Chapter 2
Study online at quizlet.com/_27vsee
How many big plates is the
Earth's lithosphere divided
20 big plates (many small
Who came up with the theory
of Continental Drift?
Big Bang Theory was introduced in 1927 by Georges Lemaitre. It happened 13,798 billions years ago;
we can only look at the aftermath. It was a rapid cascade of events, first only energy and no matter
but then quarks assembled into protons and neutrons whi
Understanding Planet Earth
EPSC 201 (3 credits)
Earth and Planetary Sciences, McGill University
Lectures Mondays and Wednesdays, 1:05pm - 2:25pm
What is our current best estimate of the age of the formation of Earth? 4.5 billion years
What is our current best estimate for the age of the Universe? 13.8 billion years
Galileo was the firs
EPSC-201 In-class Questions
Zero elevation on a topographical map represents the average elevation of the whole solid surface of the Earth. FALSE
(average elevation, % of surface area of Earth
land: 0.88km, about 30%
ocean: -3.7km, about 70%
1. Choose the listing that shows the rocks in increasing degree of metamorphism (from
lower- to higher- grade).
- Metaconglomerate, gneiss with mica, gneiss without mica, migmatite
(Metaconglomerate is barely metamorphosed; mica is an indicator of
1. What is the force that holds the Sun, planets, Moon, and other smaller objects in the
Solar System in place? (nuclear fission, black holes, the big bang, Doppler effect) gravity
2. Earth is a planet made up of the following three layers, of inc
1. Earths magnetic poles do not align exactly with Earths geographic (north, south) poles.
The difference is called _.
2. Polar wandering is misleading term because: continents wander relative to poles; the
average pole positi
1. A Mw 7.2 magnitude earthquake would release approximately 33000 times the energy
of 4.2 quake.
(Theres a three-step difference between a 4.2 and 7.2 quake. The difference in ground
shaking (amplitude) for this would be 10 x 10 x 10 = 1000. The
1. Identify the FALSE statement:
- Igneous rocks are typically coarse-grained if theyre intrusive.
- Igneous rocks were the first rocks to exist on Earth.
- Igneous rocks form in great quantity along the mid-ocean ridge.
- Igneous rocks form from
1. Where do sedimentary rocks from?
2. Which of the following is NOT one of the major classes of sedimentary rocks?
- Intrusive -ANSWER
3. Formation of a clastic sedimentary rock involves fi