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Earth Science Final Review Part 3 Flashcards | StudBud
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Earth Science Final Review Part 3
Earth Science Final Review Part 3
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1
Our sun is a
Yellow giant
Blue dwarf
Blue Giant
Yellow dwarf
2
Which property is best used to identify SULFUR?
Color
Streak
Luster
Hardness
3
Neutron stars form
when protons combine with electrons during/after supernovas
electron degeneracy fails in a white dwarf
black holes emit x-rays
when fusion begins
4
The majority of all stars are what type of stars?
Main Sequence
Red Giants
Supergiants
White Dwarf
5
When a rock comes in contact with magma & is baked, this type of metamorphism occurs
regional
dynamic
contact
6
Which rock/mineral tends to fizz with hydrochloric acid?
calcite
marble
limestone
all are correct
7
Who is accredited with a Heliocentric universe
Ptolemy
Copernicus
Newton
Galileo
8
what method measures the distance to stars using triangulation?
Precession
Triangulation
Parallax
Red Shift
9
On the H-R diagram, which stars will end their lives in a supernova?
C
A
B
D
10
What is the estimated age of the universe?
15-20 billion years old
5-10 billion years old
0-5 billion years old
10-15 billion years old
11
Albedo means
absorption of radiation
scattering of radiation
reflecting of radiation
12
Galaxies are retreating at speeds that are proportional to their distance, this is known as
Inflationary Theory
Hubble's Law
Big Bang Theory
Kelper's Law
13
What is the estimated age of Earth?
10-15 billion years old
0-5 billion years old
5-10 billion years old
15-20 billion years old
14
On the H-R diagram, where are stars fusing helium into carbon and oxygen?
C
A
D
B
15
How much longer will the sun live as a main sequence star?
10 billion years
5 million years
1 billion years
5 billion years old
16
The tendency for a mineral to break unevenly because of the way it form.
Cleavage
Hardness
Fracture
Luster
17
Finding limestone indicates what about its past environment?
used to be a coral reef
flood occurred
covered by an ocean
volcanic activity occurred
18
On the H-R diagram, which stars have no fusion taking place in the core?
D
B
A
C
19
Stars form when...
Nuclear fusion begins
gravity and pressure are equal
Nuclear Fission begins
Electron Degeneracy occurs
20
On the H-R diagram where are hot dim stars found?
A
B
D
C
21
What fraction of the original parent isotope still exists after 2 half lives have passes
1/8
1/2
1/4
1/32
22
A rock sample with a half-life of 100 years and contains 1/2 of the parent isotope - How old?
100 years
150 years
200 years
50 years
23
On the H-R diagram where would we find the SUN
B
C
D
A
24
Which is the brightest star?
Magnitude of 15
Magnitude of 5
Magnitude of -15
Magnitude of -5
25
Atoms with the same atomic number but different mass numbers are called
compounds
molecules
isotopes
ions
26
The tendency for a mineral to break unevenly because of the way it form.
Fracture
Cleavage
Luster
Hardness
27
what is the hardness of a mineral if it scratches glass, but does not scratch quartz?
6-7
2.5-3
0-2.5
3-6
28
Finding shale indicates what about its past environment?
covered by an ocean
volcanic activity occurred
used to be a coral reef
flood occurred
29
Why can a mineral exist as different colors?
differences in densities
Camouflage
Small bits of impurities
differences in formation
30
Our Sun is a
yellow giant
main sequence star
red giant
orange dwarf
31
Iron rich rocks showing the location of the magnetic poles at the time of their formation is..
Normal Polarity
Cenomagntism
Paleomagnetism
Reverse Polarity
32
An extrusive igneous rock formed
under ground
above ground
under water
deep within earth
33
True or False: A mineral can be either a liquid or a solid, but not a gas.
False
True
34
What is the source of a stars energy?
Radioactive Decay
Electron degeneracy
Nuclear Fission
Nuclear Fusion
35
Which heats up faster - land or water?
land
water
36
Finding diabase indicates what about its past environment?
volcanic activity occurred
covered by an ocean
flood occurred
used to be a coral reef
37
What is the current accepted age of Earth?
5000 years old
4.6 billion years old
2.4 million years old
10 billion years old
38
Which of the following is NOT a hotspot?
Yellowstone
Galapagos Islands
Hawaii
Japan
39
Helium is being converted to Carbon & Oxygen in the cores of:
White Dwarfs
Main Sequence Stars
Red Giants
Blue Giants
40
Where do metamorphic rocks form?
in the ocean
in a volcano
on the continents
deep within Earth
41
Finding conglomerate indicates what about its past environment?
flood occurred
volcanic activity occurred
covered by an ocean
used to be a coral reef
42
which has the highest albedo
grass
buildings
black top - asphalt
snow
43
Radioactive decay occurs when atoms of unstable elements
are exposed to chemical weathering
become part of a fossil
break down to form atoms of another element
join with atoms to form another element
44
Which retains heat longer - land or water?
water
land
45
What kind of plate boundary forms when 2 plates move apart?
Divergent
Convergent
Transform
46
What type of texture does an igneous rock have if it cooled very quickly
porphorytic
coarse grained
glassy
47
An H-R diagram graphs which two star properties
Temperature and Velocity
Composition and Velocity
Temperature and Composition
Temperature and Magnitude
48
Which scale is used to measure hardness?
Richter Scale
Hipparcus Scale
Moh's Scale
Hutton's scale
49
A force of attraction between two masses is known as:
Gravity
Pressure
Contractions
Friction
50
Luster of a mineral is its
resistance to being scratched
ability to glow under uv light
ability to break along flat plane
reflection of light
