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Worksheetsscience 8 third
Total questions: 65
Worksheet time: 1hrs 14mins
Which type of volcano has large, steep slopes made of alternating layers of ash and silica rich lava?
Caldera
Cinder Cone
Composite Volcano
Shield Volcano
Which type of volcano has small, steep slopes?
Caldera
Cinder Cone
Composite Volcano
Shield Volcano
Which type of volcano has large, gentle slopes?
Caldera
Cinder Cone
Composite Volcano
Shield Volcano
What is the relationship between magma and lava?
Magma is lava that has reached Earth's surface.
Lava is magma that has reached Earth's surface.
They are both types of solid material that spew out of a volcano.
They are both molten rock found at different depths below Earth's surface.
How does pyroclastic material differ from lava?
Unlike lava, pyroclastic material erupts onto Earth's surface.
Unlike lava, pyroclastic material erupts from shield volcanoes.
Unlike lava, pyroclastic material is associated with explosive eruptions.
Unlike lava, pyroclastic material is associated with nonviolent eruptions.
The formation of the Hawaiian Islands is one example of --
volcanic activity forming over a hot spot.
volcanoes forming along plate boundaries.
the Ring of Fire.
continental drift.
Which layer of Earth’s interior has convection currents that move the tectonic plates?
A) Stiffer mantle
B) Asthenosphere
C) Outer core
D) Inner core
How does the Oceanic crust compare to the Continental crust?
A) The Oceanic crust is more dense
B) The Oceanic crust is less dense
C) The Oceanic crust has the same density as the Continental crust
Which statement best describes what Earth’s outer layer is like underneath the surface in the image?
Underneath both the soil and the ocean, Earth’s outer layer is made of sand and water.
Underneath both the soil and the ocean, Earth’s outer layer is made of hard, solid rock.
Underneath the soil, Earth’s outer layer is made of hard, solid rock. Underneath the ocean, Earth’s outer layer is made of sand.
Underneath the soil, Earth’s outer layer is made of water.
Dr. Raisa and her team of geologists have been studying GPS data that shows that two plates moved apart. Which diagram shows what happened between the two plates as they moved away from each other?
Diagram A: A new plate from underneath filled in the gap that was created by the plates moving apart.
Diagram B: Sand and dirt filled in the gap that was created by the plates moving apart.
Diagram C: Ocean water filled in the gap that was created by the plates moving apart.
Diagram D: Soft, solid rock from underneath the plates rose and hardened, adding solid rock to the edges of both plates.
A team of geologists wants to study hard, solid rock under the surface of Earth. The team is considering drilling down in Saudi Arabia (1) or in the Arabian Sea (2). Where will the geologists find hard, solid rock?
neither under 1 nor 2, because there is sand and gravel under both places
neither under 1 nor 2, because there is water under both places
under 1 and 2, because Earth’s entire outer layer is made of hard, solid rock
only under 1, because Earth’s outer layer is made of hard, solid rock under continents but not under the ocean
Dr. Patel and her team have been using GPS to track two plates that are moving toward each other. Which diagram shows what is happening at the place where the plates are moving toward each other?
Diagram A: Two plates are hitting each other, and the plates are breaking into pieces, creating sand.
Diagram B: Two plates are pushing against each other, causing the edges to bend upward.
Diagram C: One plate is going underneath the other plate and sinking into the soft rock below.
Diagram D: One plate is going underneath the other plate and sinking into the ocean below.
Similar rock formations have been discovered in Brazil and South Africa. These rock formations were formed at the same time and are made of the same types of rocks. What could explain how these rocks got so far apart?
Brazil and South Africa are parts of different plates. The plates were sometimes pushed far apart by earthquakes, and soft, solid rock from underneath got added to the edges of the plates.
Brazil and South Africa are parts of different plates. The plates floated away from each other across the ocean.
Brazil and South Africa are parts of different plates. The plates slowly moved apart as new plates from underneath got added between them over millions of years.
Brazil and South Africa are parts of different plates. The plates slowly moved far apart as soft, solid rock from underneath got added to the edges of the plates over millions of years.
Which statement best describes what Earth’s outer layer is like underneath the surface in the image?
Underneath the soil, Earth’s outer layer is made of water.
Underneath the soil, Earth’s outer layer is made of hard, solid rock. Underneath the ocean, Earth’s outer layer is made of sand.
Underneath both the soil and the ocean, Earth’s outer layer is made of hard, solid rock.
Underneath both the soil and the ocean, Earth’s outer layer is made of sand and water.
Meaning of PAG-ASA.
Philippine Astronomical Geological Atmospheric Services Administration
Philippine Astrological Geophysical Astronomical Services Administration
Philippine Atmospheric Geophysical Astronomical Services Administration
Philippines Atmospheric Geological Astrological Services Administration
It is the central part of a typhoon.
eye
eye wall
rain bands
PAR stands for?
Philippine Area of Restriction
Philippine Area of Responsibility
Philippine Autonomy and Responsibility
Philippine Authority for Responsibility
PAGASA stands for?
Philippine Atmospheric, Geographical and Astronomical Services Administration
Philippine Atmospheric, Geophysical and Astrological Services Administration
Philippine Atmospheric, Geophysical and Astronomical Services Administration
Philippine Atmospheric, Geophysical and Astronomical Services Authority
The process when warm moist air cools and becomes clouds?
Evaporation
Condensation
Transpiration
Solidification
Tropical storms in the Northwest Pacific are called
Hurricanes
Cyclones
Typhoons
Tornados
Where do typhoon forms?
in a river or stream
inside the earth
over the ocean
at plate boundaries
Which of the following is NOT a reason why the Philippines is visited by many typhoons?
Because it is surrounded by bodies of water
Because of its many mountains
Because of its geographical location
Because in its west is the Pacific Ocean
What does ITCZ stand for?
Inter Tropical Convergence Zone
International Tropical Convergence Zone
Inter Typhoon Convergence Zone
Inter Tropical Convergence Zones
What is a typhoon?
A typhoon is a weather phenomenon that occurs in Europe.
A typhoon is a tropical cyclone in the Northwest Pacific Ocean.
A typhoon is a strong windstorm in the Indian Ocean.
A typhoon is a type of hurricane in the Atlantic Ocean.
What conditions are necessary for a typhoon to form?
Dry air, high pressure systems, and stable weather patterns contribute to typhoon development.
Cool ocean temperatures, strong winds, and a lack of moisture prevent typhoon formation.
Cold ocean water, high wind shear, and clear skies are needed for typhoon formation.
Warm ocean water, moisture, low wind shear, and a weather disturbance are necessary for typhoon formation.
How does warm ocean water contribute to typhoon formation?
Cool ocean water creates stable conditions that prevent storms.
Warm ocean water contributes to typhoon formation by providing heat and moisture that fuels the storm.
Warm ocean water leads to cooler air, reducing storm intensity.
Warm ocean water decreases humidity, which weakens typhoons.
What role does humidity play in the formation of a typhoon?
Humidity is essential for the formation and intensification of a typhoon.
Humidity only affects the wind speed of a typhoon.
Humidity has no impact on typhoon development.
High humidity prevents typhoon formation entirely.
Explain the Coriolis effect in relation to typhoon formation.
The Coriolis effect causes air to move in straight lines, disrupting storm formation.
The Coriolis effect only influences ocean currents, not typhoons.
The Coriolis effect causes the rotation of air in typhoon formation, essential for developing and organizing the storm.
The Coriolis effect prevents air rotation, leading to weaker storms.
What is the significance of low-pressure areas in typhoon development?
Low-pressure areas create strong winds that disrupt typhoon formation.
Low-pressure areas only affect ocean currents, not typhoons.
Low-pressure areas are irrelevant to the development of typhoons.
Low-pressure areas facilitate the rise of warm, moist air, essential for typhoon development.
How do thunderstorms contribute to the formation of a typhoon?
Thunderstorms contribute to the formation of a typhoon by creating low-pressure systems that can organize and intensify.
Thunderstorms create high-pressure systems that stabilize the atmosphere.
Thunderstorms dissipate energy that prevents typhoon formation.
Thunderstorms have no impact on the development of typhoons.
How does wind shear affect typhoon formation?
Wind shear affects typhoon formation by disrupting its structure; low wind shear promotes development, while high wind shear inhibits it.
High wind shear always enhances typhoon strength.
Wind shear only affects rainfall patterns in typhoons.
Wind shear has no impact on typhoon formation.
What are the stages of a typhoon's life cycle?
Tropical Disturbance, Cyclonic Storm, Hurricane, Typhoon, and End Stage.
Tropical Disturbance, Tropical Surge, Cyclone, Typhoon, and Dissipation.
The stages of a typhoon's life cycle are: Tropical Disturbance, Tropical Depression, Tropical Storm, Typhoon, and Dissipation.
Tropical Wave, Tropical Cyclone, Severe Storm, Typhoon, and Decay.
What is the difference between a typhoon and a hurricane?
Hurricanes occur only in the Southern Hemisphere.
Typhoons are formed over warm ocean waters only.
The main difference is their location: typhoons are in the Northwest Pacific, hurricanes are in the Atlantic and Northeast Pacific.
Typhoons are stronger storms than hurricanes.
How does the eye of a typhoon form?
The eye of a typhoon forms from the cooling of dry air creating a high-pressure zone.
The eye of a typhoon forms when cold air sinks rapidly, leading to a calm center surrounded by clouds.
The eye of a typhoon forms due to the slow descent of warm air, resulting in a stable atmosphere.
The eye of a typhoon forms due to the rapid rising of warm, moist air creating a low-pressure center surrounded by spiraling winds.
What moon phase is this?
new moon
full moon
last quarter
waning crescent
What moon phase is this?
waning gibbous
waxing gibbous
waxing crescent
last quarter
How many Earth days are in a lunar month?
27.5 days
30 days
28 days
29.5 days
Why do we always see the same side of the Moon?
Because of the Moon's orbit and rotation synchronization
Because the Earth's gravity keeps it in place
Because the Moon doesn't rotate
Because of the Sun's gravitational pull
Why do the Moon phases happen?
Because of the Earth's rotation
Because of the Moon's magnetic field
Due to changes in the Moon's shape
As a result of the Sun-Earth-Moon system's rotation
How does the Moon's gravity affect the Earth's mass?
It makes the Earth more spherical
It shifts Earth's mass, elongating it at the Equator and shortening it at the poles
It causes earthquakes
It has no effect on Earth's mass
NDRRMC stands for?
National Destruction Risk Reduction And Management Council
National Disaster Risk Reduction and Monitor Council
National Disaster Risk Reduction and Management Council
National Disaster Rights Reduction and Management Council
Rearrange the tropical cyclones in ascending order.
a. Super typhoon
b. Typhoon
c. Tropical depression
d. Tropical storm
e. Severe tropical storm
A>B>C>E>D
F>D>C>B>A
C>D>E>B>A
C>B>A>D>E
2. The Philippines is prone to tropical cyclones due to its _________________.
Bodies of water
Landforms
Geographical location
Mountain ranges
9. The most damaging part of the typhoon is found at the _______________.
Eye
Eyewall
Rain bands
Firewall
13. When typhoon passes through the mountains, it will decrease its ______________.
Amount of water
Elevation
Size
Wind speed
14. Typhoons are on their strongest when they are on the ___________.
Landforms
Bodies of water
Cold regions
Arctic regions
15. Typhoons become week when they are on________________.
Landforms
Bodies of water
Tropical regions
Intertropical convergence zone
Active volcanoes are defined by:
recent history of eruptions; they are likely to erupt again
not erupted in recorded history but might erupt
have no potential to erupt in the future
Dormant volcanoes are defined by:
recent history of eruptions; they are likely to erupt again
not erupted in recorded history but might erupt
have no potential to erupt in the future
