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Terms in this set (101)
The stress which causes a material to pull apart is known as ___
Pangaea was an ancient supercontinent made up of
all of Earth's continents
Which point on the timeline most correctly identifies the Sun's current point in its lifecycle?
An extended period of well-below-normal rainfall is a ____.
The timeline shows the sequence of events that occurs during the formation of a star. What is the correct label for the blank in the diagram?
Nuclear Fusion Begins
Which theory states that Earth's crust and rigid upper mantle move in different directions and at different rates over Earth's surface?
Each cycle of spreading and intrusion of magma during seafloor spreading results in
New ocean Crust
The constant movement of water between the atmosphere and earths surface is
the water cycle
Using the graph, determine the half-life of thorium-232
14 billion years
What force draws the matter in an interstellar cloud together to form a star
Narrow bands of fast, high-altitude westerly winds are
The geologic principle that states that sedimentary rocks are deposited in horizontal layers is the principle of
The ___ of a star determines its temperature, luminosity, and diameter
the process of water changing from liquid to a gas is
earthquakes intensity depends primarily on the height of
____ are often associated with very severe thunderstorms called supercells
earths tilt in combination with its orbit around the sun causes the ____
In which of the following climates would physical weathering most readily occur?
dry and cool
During a supernova
The entire outer portion of the star is blown off in a massive explosion
Which of the following characteristics of water can be responsible for mechanical weathering?
Water expands when it freezes
According to the trend of the line graph, if a car was traveling at a speed of 120 km/h how much braking distance would it need?
Flooding occurs along fractures in rocks when___?
the ground can absorb
movement occurs along fractures in rocks when____
stress overcomes the strength of the rocks involved
You can tell that the oldest rocks are at the bottom of an undisturbed rock sequence by using the principle of
The four inner planets of our solar system are
at which labeled interval of its orbit would the planet move with the greatest move with the greatest velocity
Which type of material would be best to use for construction in an area prone to earthquakes
what does the sky look like at the location with this station model
a star that starts with more than about 20 times the sun mass will
collapse forever and become a black hole
at the time indicated in this diagram, what season is it in the southern hemisphere
a hurricane hits land with wind speeds of 225 km/h and sea levels changes of 5.5m. what damage classification would it be labeled as according to the Saffir Simpson hurricane wind scale?
a record of weather data for a particular site at a particular time is a(n)
Interplanetary material that enters the Earth's atmosphere and collides with the ground rather than burning up is called a(n) ____.
earths atmosphere contains more ___ than any other substances
Nitrogen ande oxygen
compared to ocean crust near deep-sea trenches, crust near ocean ridges is
where are most divergent boundaries found
on the seafloor
at which point would the strongest wind and densest clouds of the hurricane be located
Which of the following is used to determine the absolute age of a rock?
In the process of isostatic rebound, mountains are eroded over hundreds of millions of years, while the crust below them ____.
Which point marks the epicenter of the earthquake?
the san Andreas fault, a result of horizontal shear, is a_____ fault
in which of the following areas is wind a major erosional agent
line on a map that connects points of equal pressure are
groups of stars named after animals, mythological characters, or everyday objects
Which sentence explains how the frequency and the wavelength of electromagnetic waves are related?
As wavelength decreases, frequency increases
Features found at divergent boundaries include
English astronomer E. W. Maunder discovered that changes in Earth's climate have coincided with cycles of low activity for
The hot and humid weather in Texas during the summer is most likely due to what type of air mass?
If the global-warming trend continues, the effects on the planet could include
a rise in sea level
Which of the following factors does not exert pressure on rocks that leads to physical weathering?
Which of the following might an environmental scientist study?
how organisms interact with each other and their environments
A balloon-borne package of sensors that gathers upper-level temperature, air pressure, and humidity is ____.
The amount of damage done to structures by an earthquake is the earthquake's
If the following line represents unshifted light from a star, which of these shows how the light waves would change if the star started moving away from the observer?
A vast, underwater mountain chain forms at a(n) _________.
In the diagram, the spring and fall seasons are occurring. Which pole is pointing towards the Sun?
Which of the following features forms when two oceanic plates converge?
The change in wave frequency of energy as it moves toward or away from an observer is the ____.
In an undisturbed rock sequence, the youngest rock layer is located
at the top of the sequence
A star that begins with a mass 8 to 20 times that of the Sun's mass will
end up with a core too massive to be supported by pressure and come to a violent end.
The principle of superposition can be used to determine .
the relative age of these rock layers
A lowering of global temperatures caused by dust blocking solar radiation can be triggered by
A large parcel of air that takes on the characteristics of the area over which it forms is a(n)
Which of these steps would be the first step in a scientific method?
Make a hypothesis.
Crust is neither destroyed nor formed along which of the following boundaries?
The amount of time it takes for one-half of the original amount of an isotope to decay is known as its ____.
Organize the pictures from warmest to coolest.
The driving forces of tectonic plates are related to convection currents in Earth's
What is the SI unit of mass?
What can be inferred about speed and braking distance from the above graph?
As speed increases, braking distance increases.
Continental-continental plate collisions produce ____.
very tall mountain ranges
The principle that states that the processes occurring today have occurred since Earth formed is known as the principle of
Maritime air masses originate over
A weather instrument that measures temperature is a(n)
Convection currents transfer thermal energy ____.
from warmer regions to cooler regions
Which air mass produces Seattle's heavy winter precipitation?
a. Maritime polar, north Pacific ocean
When part of the rock record is destroyed, the erosional gap that forms is a(n) ____.
Convergent boundaries are classified according to the
type of crust involved
Which of the following lists the units of geologic time in order from shortest to longest?
era, eon, period, epoch
The magnetic pattern of ocean-floor rocks on one side of an ocean ridge is ____.
a mirror image of that of the other side
Which region would be the warmest during the winter as a result of its air mass?
What type of front is being modeled in the diagram?
Which of the following has the potential for the most erosion?
water flowing down a steep slope
The Mid-Atlantic Ridge is an example of a
When estimating the distance of stars from Earth, astronomers use the fact that nearby stars shift in position as observed from Earth, which is called
How fast must the winds of a tornado be traveling to be classified as a EF4 tornado?
Which of the following best describes what happens when an oceanic plate converges with a continental plate?
a trench and a mountain range with many volcanoes form.
What front is being forecast for this state?
Buildings and monuments that are made of limestone are greatly damaged by
P-waves reach a seismogram 6 minutes after an earthquake occurs and the S-waves arrive 3 and a half minutes later. How far is the seismogram from the earthquakes epicenter?
You can tell that a fault is younger than the rock it cuts across by applying the principle of
As water vapor rises in the atmosphere, it cools and changes into liquid cloud droplets in a process called
A narrow, elongated depression in the seafloor is called a(n) _________.
The oldest rock layer in an undisturbed rock sequence occurs ____.
at the bottom of the sequence
a good model for isostasy
thee water line of a boat when someone boards or leaves it
The stress which causes a material to twist is known as ____.
Subduction zones form at .
both oceanic-oceanic boundaries and oceanic-continental boundaries
Continental drift was not widely accepted when it was first proposed because
Wegener couldn't explain why or how the continents moved.
Continental drift was not widely accepted when it was first proposed because ____.
Wegener couldn't explain why or how the continents moved
The Coriolis effect is due to the ____ of Earth.
What is the barometric pressure in mb?
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