stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
PS S2 Final 22/23 Flashcards | StudBud
Explore
/
PS S2 Final 22/23
PS S2 Final 22/23
76 terms
·
StudBud Administration
·
146 plays
Principles of Science Semester 2 Final Units 7-12
Flashcards
76 cards
F
Practice quiz
P
Host live
L
Questions
76
Answers
1
High pressure systems generally lead to fair weather (breezy, moderate temperatures, blue skies, no precipitation...)
True
False
2
The Paleozoic era is known as the "Age of Mammals"
True
False
3
The ozone layer is located within the...
Troposphere
Mesosphere
Stratosphere
Thermosphere
4
The longer the wavelength, the higher the energy
True
False
5
The periodic table...
Was initially developed by Dmitri Mendeleev
Is used to classify elements and compare their chemical properties
Is arranged used periods (rows) and groups/families (columns)
All of the above
6
Earth's atmosphere is held in place by electromagnetic energy from the sun
False
True
7
How does the wavelength and frequency of an object change as it moves AWAY from Earth?
Wavelength decreases / Frequency decreases
Wavelenth decreases / Frequency increases
Wavlength increases / Frequency decreases
Wavelength increases / Frequency increases
8
Alkaline earth metals (rep group 2A) are the most reactive metals
True
False
9
The atmosphere is divided into layers based on changes in...
Atmospheric pressure
Temperature
Wind
Air composition
10
The Big Bang Theory is the leading explanation for the formation and expansion of our universe
True
False
11
Meteors, also known as shooting stars, occur within the...
Mesosphere
Stratosphere
Thermosphere
Exosphere
12
The Doppler effect is used by astronomers to...
Provide supporting evidence for the Big Bang Theory
Map out constant expansion of our universe
All of the above
Measure the motion of stars and galaxies
13
Which of the following represents the correct order of atmospheric layers from the lowest to highest altitude?
Mesosphere → Thermosphere → Exosphere → Stratosphere → Troposphere
Geosphere → Atmosphere → Biosphere → Hydrosphere
Troposphere → Stratosphere → Mesosphere → Thermosphere → Exosphere
Troposphere → Geosphere → Mesosphere → Thermosphere → Atmosphere
14
Stars are classified based on their properties. Which of the following is NOT a property of stars?
Location
Temperature
Size
Brightness
15
The Doppler effect is a change in the frequency of a wave when the source or observer is
stationary
(not moving)
False
True
16
At higher altitudes, the air is less dense and exerts less pressure
True
False
17
The systems of Earth are constantly interacting and influencing one another. What are Earth's 4 spheres?
Atmosphere, hydrosphere, geosphere, lithosphere
Atmosphere, hydrosphere, geosphere, biosphere
Troposphere, stratosphere, mesosphere, thermophere, exosphere
Atmosphere, troposphere, mesosphere, exosphere
18
Which of the following technologies are NOT used to collect weather data?
Ship and buoy stations
Satellite observatory
Doppler radar
Radiosonde
19
Which color of visible light has the longest wavelength?
Blue
Red
Violet
Yellow
20
When the most massive stars die, they will become a white / black dwarf
True
False
21
Boundaries of the geologic time scale are organized according to major events in Earth's history such as...
Geologic changes
Extinction of life forms
All of the above
Appearance/evolution of life forms
22
Source regions directly influence air mass properties
True
False
23
Birds evolved from dinosaurs - Evidence for this evolutionary change is cited by fossils of the
Archaepteryx
True
False
24
Absolute magnitude is the measure of brightness as perceived by an observer on Earth
False
True
25
Why is the equator warmer than the poles?
Equator is positioned to recieve direct sunlight at a 90° angle
Equator is positioned to recieve indirect sunlight at a more than 90° angle
Equator is positioned to recieve indirect sunlight at a less than 90° angle
Equator is positioned to recieve direct sunlight at a less than 0° angle
26
Define blueshift
An increase in frequency of EM waves as object moves away from observer
An increase in frequency of EM waves as object moves towards its observer
A decrease in frequency of EM waves as object moves away from observer
A decrease in frequency of EM waves as object moves towards its observer
27
Significant events of the Paleozoic era include:
Cambrian Explosion- The largest biodiversification event in geologic time
All of the above
Great Dying- The largest mass extinction event to date caused by volcanoes
Large carbon deposits- Formed in the swamps of Mississippi and Pennsylvania
28
HR diagrams are used by astronomers to...
All of the above
Predict the properties and evolution of stars
Predict the location of stars within the universe
Predict the exact age of stars
29
A protostar contracts due to...
Gravitational forces pulling inwards
Nuclear fusion igniting the star
The star shedding its outer layer as it expands and cools
All of the above
30
Radio waves are used...
To detect broken bones
For brain scans and high energy cancer treatments
To sanitize medical equipment and kill bacteria
For many different types of communication
31
What combination of factors caused the Cretaceous-Tertiary (K-T) Mass Extinction event?
Volcanoes + Overhunting
Volcanoes + Asteroid impact
Flooding + Overhunting
Flooding + Asteroid impact
32
Larger size = Higher absolute magnitude
True
False
33
On the modern periodic table, elements are organized into rows (period) by increasing atomic number
True
False
34
When a protostar reaches equilibrium...
Gravitational forces pushing inwards = Gas pressure pushing outwards
All of the above
Activy nuclear fusion begins
A main sequence star is formed
35
According to the Big Bang Theory, the universe began roughly...
13.8 bya
4.6 bya
13.8 mya
14.1 bya
36
Ultraviolet rays are used...
For many different types of communication
To detect broken bones
To sanitize medical equipment and kill bacteria
For brain scans and high energy cancer treatments
37
Which of the following is true about EM energy?
It is a wave of radiant energy that produces an electric and magnetic field
All of the above
It travels at the speed of light
It is emitted by ALL objects in space
38
Define wave frequency
The number of waves that pass through a fixed point at a given time
The sequencing of electromagnetic radiation through use of a spectrum
The distance from the crest of one wave to the crest of the next wave
Visible light
39
Mammals and humans emerge during the...
Cenozoic era
Precambrian era
Paleozoic era
Mesozoic era
40
This image...
Represents the doppler effect
Represents the EM spectrum
Represents an HR diagram
Represents the geologic time scale
41
Which of the following elements makes up a majority of the compounds found in the human body and is necessary for life?
Oxygen
Sodium
Helium
Carbon
42
Air masses and fronts are useful for weather forecasting due to their predictable paths of movement
True
False
43
When observing pressure systems on a map, the contour lines that connect points of equal pressure are called...
Isobars
Air masses
Source regions
Occluded fronts
44
On the modern periodic table, elements are organized into columns (group/family) by similar chemical properties
False
True
45
Megafauna thrived during the Mesozoic era
True
False
46
Stars...
All of the above
Radiate EM energy via nuclear fusion in the core
The building blocks of a galaxy
Are celestial spheres of plasma held together by gravitational forces
47
Low pressure systems generally lead to fair weather (breezy, moderate temperatures, blue skies, no precipitation...)
True
False
48
Define redshift
A decrease in frequency of EM waves as object moves towards its observer
An increase in frequency of EM waves as object moves towards its observer
A decrease in frequency of EM waves as object moves away from observer
An increase in frequency of EM waves as object moves away from observer
49
Significant events of the Precambrian era include: Formation of Earth, cyanobacteria, and formation of ozone layer
True
False
50
Wind always moves from areas of low to high pressure
False
True
51
Weather events occur in the troposphere
False
True
52
Elements in representative group 8A have 8 valence electrons
False
True
53
Geologic time began 4.6 bya and ended with the Cretaceous-Tertiary (K-T) Mass Extinction event that killed the dinosaurs
False
True
54
Which of the following is NOT considered supporting evidence for the Big Bang?
CMB: Remaining photons from the first light emitted following the Big Bang
Hubble's observation of blueshifted galaxies and constant expansion
Hubble’s observation of redshifted galaxies and constant expansion
Abundance of hydrogen and helium atoms throughout the universe
55
The aurora borealis, also known as northern lights, occur within the exosphere
True
False
56
Which color of visible light has the most energy?
Violet
Red
Yellow
Blue
57
When observing EM waves, frequency and energy show a direct relationship
False
True
58
Elements within a representative group have the same number of...
Valence electrons
Valence protons
Protons
Neutrons
59
Trilobites are noteable organisms of the Paleozoic era
True
False
60
Describe the weather associated with a cold front
Gradual increase in temperature, light precipitation that is long-lived
Rapid decrease in temperature, heavy precipitation, strong winds, lightning
Stable temperature, clear skies, gusty winds
Cold fronts lead to unpredicatable weather events of varying degrees
61
Describe the weather associated with a warm front
Rapid decrease in temperature, heavy precipitation, strong winds, lightning
Gradual increase in temperature, light precipitation that is long-lived,
Stable temperature, clear skies, gusty winds
Cold fronts lead to unpredicatable weather events of varying degrees
62
Why is the atmosphere important?
Contains oxygen necessary for supporting life
All of the above
Protects against UV radiation and space debris
Regulates and redistributes incoming solar energy
63
Which color of visible light has the shortest wavelength?
Red
Blue
Violet
Yellow
64
Which of the following stages of stellar evolution is experienced by a
high mass
star?
All of the above
White / black dwarf
Supernova
Planetary nebula
65
Weather...
All of the above
Occurs in the troposphere
Is the current condition of the atmosphere at a specific time and place
Depends on atmospheric factors- Air masses, fronts, and pressure systems
66
All stars, regardless of size, are born from clouds of cloud of space gas, dust, and ice called stellar nebulae
True
False
67
Define isotope
Atoms of different elements that have the same atomic number
Atoms of the same elements that have different number of valence electrons
Atoms of the same element that have a different number of neutrons
Atoms of different elements that have the same number of protons
68
Fossils are the naturally preserved remains and/or traces of an organism
False
True
69
The Mesozoic era is known as the "Age of Reptiles"
True
False
70
The exosphere is the fifth layer of Earth’s atmosphere that blends into the vacuum of space
False
True
71
Which color of visible light has the highest frequency?
Yellow
Violet
Blue
Red
72
Noble gases (rep group 8A) are the least reactive nonmetals and elements on the periodic table
False
True
73
Lesser distance = Higher apparent magnitude
False
True
74
A high mass star burns more energy and has a shorter lifespan than that of a low/medium mass star
True
False
75
Stellar nebulae are composed mostly of hydrogen and helium
False
True
76
Which of the following elements would be the best conductor of heat and electricity?
Nickel
Oxygen
Chlorine
Neon
