Earthquakes
What do you call a fracture or crack between two rocks?
Fault
What happens to tropical cyclones when they make a landfall?
Which type of waves usually do the most damage in earthquake?
Surface Waves
What is the category of tropical cyclone when it reaches the maximum sustained winds of 240 km/hr?
Super Typhoon
What is a small object with elliptical orbit hat that has collected ice and cosmic dust and other gases, like helium, methane, and hydrogen?
Comet
What type of stress causes the formation of mountains?
Compression Stress
Which of the following is NOT a classification of tropical cyclone?
1. Tropical Depression
2. Severe Tropical Storm
3. Low Pressure Area
4. Super Typhoon
3. Low Pressure Area
Which of the following is NOT true about body waves?
1. Body waves are of a higher frequency than surface waves.
2. Body waves arrive before the surface waves emitted by earthquake.
3. The two types of body waves are primary waves and secondary waves.
4. These waves cause more destruction and damage because of long duration.
4. These waves cause more destruction and damage because of long duration.
What tropical cyclone formed over north Atlantic Ocean?
Hurricane
If a meteoroid hits Earth’s surface, what is it called?
Meteorite
What scale measures an earthquake’s intensity based on the observed effects on people and structures?
PHIVOLCS Earthquake Intensity Scale
Intensity is the strength of an earthquake perceived by the people. How is intensity scale expressed?
Roman Numerals
Which type of surface wave moves the ground side-to-side and up and down (rolling motion) in the same direction that the wave is moving?
Rayleigh Wave
How are cyclones, typhoons, and hurricanes different from one another?
Occur in different geographical areas.
What is the most famous short period comet of the 20th century and how many years it orbits the sun?
Comet Halley, 75-79 years
Which agency of the government in the Philippines monitors the movement of the earth crust?
Philippine Institute of Volcanology and Seismology
Why do tropical cyclones could never form over South Atlantic Ocean?
It is due to its cold ocean surface temperature.
Which type of seismic waves can travel through crust, mantle, and core?
Primary Waves
During a typhoon, Public Storm Warning Signal (PSWS) is issued over the affected area. What is the impact of the wind when PSWS signal is 4?
Heavy to very heavy damage
Which are referred to by astronomers as Near-Earth Objects (NEO)?
1. Comets and Stars
2. Meteors and Planets
3. Asteroids and Meteorites
4. Asteroids and Comets
4. Asteroids and Comets
Confining stress can hollow out the insides of the crust when it is too much for the crust to handle the stress. What could be the result of this type of stress?
Sinkholes
What is the best thing you should do when you are inside a tall building during an earthquake?
Which of the following is NOT true about an active fault?
1. It is considered as a geological hazard
2. These are faults that we can identify, but which do not have earthquakes.
3. These are fault that has evidence of movement for 10,000 years.
4. This is a fault that is likely to become the source of another earthquake.
2. These are faults that we can identify, but which do not have earthquakes.
Using the given coordinates of PAR, which of the following could be inside the PAR
(5°N 115°E, 15°N 115°E, 21°N 120°E, 25°N 120°E, 25°N 135°E and 5°N 135°E.)
A. 290N 141°E
B. 7°N 117°E
C. 3°N 117°E
D. 28°N 120°E
B. 7°N 117°E
What happens to the comet when it is near/going towards the sun?
It becomes visible because tails are formed.