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Earth and Space Science Final Flashcards | StudBud
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Earth and Space Science Final
Earth and Space Science Final
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Questions
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Answers
1
Molten material on the
surface
of Earth is called magma
True
False
2
What is the longest day in the year?
winter solstice
summer solstice
equinox
solar eclipse
3
Which is
not
one of kepler's laws?
p^3 = a^2: (p= time in earth years; a=semimajor axis in AU)
p^2 = a^3: (p= time in earth years; a=semimajor axis in AU)
PLanets orbit faster when closer to the Sun
The planets orbit on an eliptical plane
4
Most scientists believe that our solar system originally formed from an interstellar ___________ made of gas and dust.
spaceship
cloud
nova
nebula
5
HUGE discharges of charged particles from the corona are prominences
False
True
6
Cleavage means a clean, even break in a mineral
True
False
7
The period of time it takes for the moon to pass through all its phases is called a lunar period
False
True
8
An isotope is an atom with a different number of
protons
electrons
neutrons
mass number
9
Electrons are not counted in an atom's mass because they have very little mass
True
False
10
Plasma that flows from the corona (coronal holes) are/is
prominences
solar flares
solar wind
CME (coronal mass ejections)
11
When is a mineral considered an ore?
when it has value and can be mined for profit
when it is pretty
when it is found within a rock
ore only exists within minecraft
12
Which is the correct definition for "emission spectra"
no breaks; comes from compressed gas
emission spectra is not a real type of spectra
dark bands, caused by different chemical elements that absorb light
has breaks; comes from non compressed gas
13
What determines the element of an atom?
# of electrons
# of protons
# of protons and neutrons combined
# of neutrons
14
Planetesimals are space objects built from solid particles; formed the planets from collisions and mergers
True
False
15
Highlands are dark-colored, smooth plains on the Moon's surface
False
True
16
Violent eruptions of particles/radiation from the surface of the Sun are
solar wind
solar flares
auroras
prominences
17
Au (gold) cannot be bonded with any other minerals but itself
True
False
18
Material that falls back to the lunar surface after being blasted out by the impact of a space object is
rille
ejecta
regolith
trace fragments
19
What are the top 4 elements in the Earth's crust?
Hydrogen, Carbon, Oxygen, Iron
Oxygen, Silicon, Aluminum, Iron
Aluminum, Oxygen, Silicon, Helium
Oxygen, Silicon, Magnesium, Nitrogen
20
Slow cooling of magma results in
large crystals
small crystals
regular rocks
pumice (type of volcanic rock)
21
The Sun sets and rises each day because it moves around the Earth
False
True
22
Silicates are a very rare type of mineral
True
False
23
Bases produce ____ ions
H+ (hydrogen positive)
O- (oxygen negative)
N (nitrogen)
OH- (hydroxide negative)
24
Which does
not
describe minerals?
naturally occuring
crystalline structure
must be a solid
can be lab grown
25
Sublimation is when
gas changes to liquid
solid changes to gas
gas changes to solid
liquid changes to solid