Earthquakes and Faults
Which of the following expresses the highest intensity and magnitude of earthquakes?
A. 8 and X
B. 10 and X
C. IX and 10
D. X and 10
D. X and 10
How do rock particles move during the passage of primary waves?
A. circular motion
B. up and down motion
C. back and forth parallel to the direction of the waves
D. back and forth perpendicular to the direction of the waves
C. back and forth parallel to the direction of the waves
PAGASA announces that Luzon will be expecting a tropical storm. What would be the wind speed of the tropical cyclone Luzon will be expecting?
A. 65-118 kph C. 119-120kph
B. 35-64 kph D. 64 kph
A. 65-118 kph
Which of the following characteristics is present to comets, asteroids and meteors?
A. Made of rock
B. Made of ice
C. Made of frozen gas
D. Made of space debris
D. Made of space debris
Which explains how a typhoon is affected by landform?
A. Landforms increase wind speed, and it dissolves typhoon.
B. Landforms act as an obstacle to traveling air masses, forcing them to rise over the peaks.
C. Landforms affect the direction of the wind resulting in the strengthening of the typhoon.
D. Landforms prevent the building up of typhoons due to the warm air on top of mountains.
B. Landforms act as an obstacle to traveling air masses, forcing them to rise over the peaks.
Which of the following differentiates intensity from magnitude? A. Intensity is measured and Richter scale while magnitude is by Mercalli scale.
B. Intensity is written in Hindu Arabic while Roman Numerals in Magnitude.
B. Intensity is written in Hindu Arabic while Roman Numerals in Magnitude.
Which of the following best describes P-waves?
A. Shearing body waves
B. Compressional body waves
C. Tensional surface waves
D. Transverse surface waves
B. Compressional body waves
All the following are conditions needed for a typhoon to form EXCEPT:
A. warm ocean water
B. atmospheric stability
C. sufficient Coriolis effect
D. a pre-existing disturbance
B. atmospheric stability
Which of the following is a broken-up rock fragment from outer space that makes it to the Earth's surface?
A. Asteroid C. Meteoroid
B. Meteorite D. Meteors
B. Meteorite
As the surface air rushes in toward the eye of a typhoon, the air expands and should cool. The main reason the surface air is not cooler around the eye is because _____.
A. sunlight heats the air.
B. the warm water heats the air.
C. the sinking air near the eye warms the air.
D. friction with the water adds heat to the air.
C. the sinking air near the eye warms the air.
Which is used to denote the effects of earthquake on people, structures, and surroundings?
A. Intensity B. Focus
C. Magnitude C. Epicenter
A. Intensity
Which of the following seismic waves can travel through crust, mantle, and core?
A. Love wave C. Secondary wave
B. Primary wave D. Surface wave
B. Primary wave
Which of the following explains why tropical cyclones die out after reaching land?
A. because they are cut off from cold ocean water.
B. because they are cut off from the warm ocean water.
C. Because the temperature in land is below 26.4 degrees Celsius.
D. Because the temperature in water becomes lower.
B. because they are cut off from the warm ocean water.
The following statements are true about comets and asteroids EXCEPT:
A. Comets and asteroids are both located in the Kuiper belt.
B. Comets follow an elliptical orbit while asteroids are circular.
C. Asteroids are more frequent visitors to the earth than comets.
D. Pieces from comets and asteroids may reach the surface of the earth as meteorites.
A. Comets and asteroids are both located in the Kuiper belt.
The following are correct descriptions of active faults EXCEPT __________.
A. It produces earthquakes.
B. It shows signs of generated earthquakes.
C. There is a displacement of geologic structures in an area.
D. It shows evidence of having moved at least once in the past 100,000 years.
D. It shows evidence of having moved at least once in the past 100,000 years.
When an earthquake's epicenter is near your place, the intensity is lesser in your place than at the earthquake's epicenter, but the magnitude of the earthquake is the same in your place and where the earthquake's epicenter is located.
A. The statement is not true.
B. The statement is sometimes true.
C. The statement is true.
D. The statement is either true or false.
C. The statement is true.
The following statements explain how earthquake waves provide information from the interior of the earth to the surface EXCEPT;
A. Seismic waves travel through increasing depths in the earth.
B. Seismic waves spread out in all directions through the earth's interior.
C. Seismic waves that pass through Earth are refracted and reflected.
D. Seismic waves are consistent even if moving from one section to another.
C. Seismic waves that pass through Earth are refracted and reflected.
Meteorologist group tropical cyclones into categories according to the _____?
A. diameter of the storm
B. hourly rate of precipitation
C. barometric pressure in the eye of the storm
D. strongest sustained surface winds in the storm
D. strongest sustained surface winds in the storm
Which of the following characteristics is TRUE about comets, asteroids, and meteors?
A. Comets come from Oort cloud while asteroids and meteors come from asteroid belts.
B. Comets and asteroids that come near the sun lose material while meteors remain solid.
C. Comets and meteors orbit the Earth and move relatively slow while asteroids have no orbit.
D. Comets and meteors are made up of ice and frozen gases while asteroids are composed of rocks and minerals.
A. Comets come from Oort cloud while asteroids and meteors come from asteroid belts.
Which of the following is needed in the formation of a typhoon?
A. Atmospheric stability
B. Pre-existing high-level disturbance
C. Sufficiently warm sea surface temperatures
D. Low humidity in the lower to middle troposphere
B. Pre-existing high-level disturbance
The famous 1990 earthquake in the Philippines was a result of strike-slip movements along the Philippine Fault and Digdig Fault. What can you say about these faults.
A. They are within the Philippine Fault Zone.
B. These two faults are classified as active.
C. They are no longer capable of generating earthquakes any time soon.
D. They are inactive faults since no significant movements have occurred since 1990.
B. These two faults are classified as active.
The following statements describe surface waves EXCEPT;
A. Have two types.
B. Arrive after body waves.
C. Travel only through the crust.
D. Fastest kind of seismic waves.
D. Fastest kind of seismic waves.
Why do typhoons dissolve or weaken when they pass over a mountain or a mountain ranges?
A. Typhoons only develop in low areas.
B. Higher altitudes have warmer temperatures.
C. There is no water source in higher altitudes.
D. Cold air on top of a mountain prevents the building up of a typhoon.
D. Cold air on top of a mountain prevents the building up of a typhoon.
What characteristic distinguishes a meteorite from a terrestrial rock?
A. Unlike terrestrial rocks, meteorites are not attracted to magnets.
B. A meteorite has lesser weight and density compared to terrestrial rocks.
C. A meteorite is usually covered with a dark crust from burning in Earth's atmosphere.
D. Meteorites contain rare elements, such as iron and nickel that terrestrial rocks do not.
A. Unlike terrestrial rocks, meteorites are not attracted to magnets.
Which of the following explains why asteroids are more frequent visitors to earth than comets?
A. Unlike asteroids, comets are not attracted to earth’s gravity.
B. Asteroids are found in the asteroid belt and follow a circular orbit.
C. Asteroids are found in the Kuiper belt located outside the solar system.
D. Comets burn due to air friction before it reaches a “near-earth” distance.
B. Asteroids are found in the asteroid belt and follow a circular orbit.