Volcanoes
What property of a fluid, such as magma is defined as its resistance to flow?
a. Temperature c. Silica
b. Amount of dissolved gases d. Viscosity
d. Viscosity
It refers to the atmospheric condition of a place over long period of time
a. Weather c. Climate
b. Monsoon d. Topography
c. Climate
Which is the best practice to reduce the effect of Climate change?
a. Organic farming c. Car manufacturing
b. Burning of fossil fuel d. Livestock raising
a. Organic farming
Which property of a star is directly related to its surface temperature?
A. Luminosity B. Color C. Distance D. Size
B. Color
If you are standing at the North Pole, where would you observe Polaris in the sky?
a. Near the horizon
b. Polaris would not be visible from the North Pole
c. At an altitude of approximately 45°
d. Directly overhead
D. Directly overhead
Which of the following characteristics of a volcano depends on its magma emission?
a. Age c. Shape
b. Size d. Location
c. Shape
What happens to the surrounding air as warm air rises?
a. Moves in all direction
b. Moves away from the rising air
c. Moves to a higher altitude
d. Moves towards the place where warm air rises
b. Moves away from the rising air
What will happen if if there is too much carbon dioxide in the atmosphere?
a. Climate Change c. Greenhouse effect occur
b. Temperature increases d. Water vapor condenses
a. Climate Change /c. Greenhouse effect occur/
b. Temperature increases
Which star is traditionally used for navigation and is known as the North Star?
A. Big Dipper B. Polaris
C. Little Dipper D. Ursa Major
B. Polaris
Which of the following star clusters is best known for its bright, blue stars visible in the night sky?
a. Pleiades
b. Andromeda Cluster
c. Hyades
d. Hercules Cluster
a. Pleiades
What volcanic eruption is characterized by an explosive eruption of gas?
a. plinian c. strombolian
b. hawaiian d. vulcanian
a. plinian
During summer, many people visit Baguio because of the cold weather, What do you think makes Baguio cold?
a. The altitude c. The Latitude
B. The distance from the sea d. The topography
a. The altitude
Which condition happens during the La Nina phenomenon?
a. Trade winds become stronger
b. Air pressure in the eastern Pacific decreases
c. Upwelling of cold water is blocked
d. Air pressure in the Pacific increases
a. Trade winds become stronger
Why do stars appear to twinkle when viewed from Earth?
A. Stars are rapidly moving
B. Stars change brightness constantly
C. Earth’s atmosphere bends the starlight
D. Clouds reflect starlight
C. Earth’s atmosphere bends the starlight
What name did Christian Filipinos give to the three stars of Orion’s Belt?
a. Big Dipper
b. Nebula
c. Rigel
d. Tres Marias
D. Tres Marias
PHIVOLCS stands for?
Philippine Institute of Volcanology and Seismology
Which side of the mountain often receives the moat precipitation?
Windward side
What agency is the official weather and climate bureau of the Philippines?
PAGASA (Philippine Atmospheric, Geophysical and Astronomical Services Administration)
What tool do astronomers use to classify stars according to temperature and brightness?
A. Light-year scale
B. Hertzsprung–Russell diagram
C. Star map
D. Astronomical unit
B. Hertzsprung–Russell diagram
Which of the following was not a use of constellations in ancient times?
A. Determining the seasons
B. Measuring tIME
C. Finding direction
D. Determining exact position or latitude
D. Determining exact position or latitude
On November 12, 2025, Taal Volcano experienced a minor eruption, producing a short-lived plume of ash and steam. Given Taal's location within caldera lake and its history of magma-water interaction, what is the most likely type of eruptive style?
phreatomagmatic eruption
How much is the tilt of the Earth's axis?
23.5 degrees
What are the 5 major greenhouse gases in the atmosphere?
Water vapour, Carbon dioxide, Methane, Nitrous oxide, and CFCs
We can define stars by 5 basic characteristics which are....
Size, Mass, Color, Temperature, Brightness
The number of constellations recognized by the International Astronomical Union are ___ in total.
88 constellations