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WorksheetsG8 - Q3 - Earth Science Reviewer
Total questions: 50
Worksheet time: 1hrs 15mins
Which part of the Earth's surface covers the largest area?
Pacific Ocean
Land
Asia
Water
How much of the Earth's Surface is Covered with Land?
79%
29%
71%
67%
Why is the Earth also called as the “Blue Planet”?
Because this planet is Peaceful
Because large portion of its surface is covered with water
Because its atmosphere diffuses blue spectrum of light
Because water is considered as the Universal Solvent
Which statement best describes the distribution of Earth's surface?
Land > Water
Land = Water
Land < Water
50% Land & 50% Water
Which layer of the Earth is made up of solid rocks that includes both Continental and Oceanic Tectonic Plates?
Crust
Inner Core
Mantle
Outer Core
Why does Oceanic Crust sink in water?
It is Thicker than Continental Crust
It has many Air Packets
It has High Density
It has Low Density
Upon a collision between 2 chunks of Crust, Both crusts folded upward. What kind of Crusts are they?
Both are Oceanic Crusts
Both are Continental Crusts
1 Oceanic Crust & 1 Continental Crust
Cannot be determined
In Collision between Continental and Oceanic Crust, which crust would sink?
Continental Crust
Both will Sink
Oceanic Crust
None will Sink
Which statement BEST explains why understanding of the properties of Crustal Layers is important?
It tells us which Crust is bigger
It helps us know the color of rocks
It allows scientists to predict weather changes and abnormalities
It helps explain geological events like earthquakes and volcanic eruptions
Which Type of Eruption Violently Shoots Pyroclastic materials like Tephra and Ashes up in the sky?
Effusive
Noumenon Blast
Explosive
Firaga Armor
Mayon Volcano has erupted just recently this January 2026. In which Type of Volcano should it be classified?
Active
Dormant
Extinct
Grand Volcania
Mauna Loa, which is considered as the world’s largest active volcano, has huge supply of low-viscosity basaltic magma. What Type of Eruption does it exhibit?
Effusive
Highly Explosive
Short Explosive
Lava Plug Formation
Where do Volcanoes usually form?
Primaera and Land of Dawn and Alcatraz
Miramar, Vikendi, and Karakin
Nuketown, Firing Range, and Alcatraz
Hotspots, Mid-ocean Ridges, and Subduction Zone
Volcanoes created through the sinking of tectonic plates typically possess gas-rich magma. What Type of Eruption are they most likely to exhibit?
Blue Flame
Effusive
Explosive
Windy
Which Type of Volcano is mostly made of Ash and Scoria?
Cinder Cone
Composite
Lava Dome
Shield
Xicze Ven Volcano is said to be a Composite Volcano. What kind of magma is it likely to have?
Has Low Viscosity and Small Amount of Trapped Gases
Has Low Viscosity and Huge amount of Trapped Gases
Has High Viscosity and Small amount of Trapped Gases
Has High Viscosity and Huge amount of Trapped Gases
Why do Stratovolcanoes are considered more Hazardous than Shield Volcanoes?
They erupt effusively due to their gas-rich thick magma
They erupt explosively due to their gas-rich thick magma
They erupt gently due to their gas-rich runny magma
They erupt violently due to their gas-rich runny magma
Lava Domes have huge amount of silica in their magma, but why do these volcanoes usually only erupt effusively?
The silica in their magma acts as lubricant that reduces friction
Their magma is too thick to travel fast enough for explosive eruptions
These volcanoes have multiple side vents that reduce the total pressure inside the volcano
Their magma is too runny that it acts just like water
Where are Most of the Earth’s Active Volcanoes located?
Near Collision of 2 Continental Plates
Under the Ocean
Near sinking Tectonic Plates
Near the Equator
Which type of Crustal Interaction happened to create Mt. Everest?
Oceanic plate moving away from another
Oceanic crust sinking below continental crust
Oceanic crust sliding past another oceanic crust
Continental crust colliding with another continental crust
Which of the following is TRUE?
Hotspot volcanoes create folded mountains
Subduction of oceanic crust creates volcanic arcs
Continental crust always sinks below oceanic crust
Collision of oceanic plates creates high mountain ranges
What would be the correct arrangement of the three types of magma composition based on Increasing Level of Viscosity?
Basaltic, Andesitic, Rhyolitic
Andesitic, Rhyolitic, Basaltic
Rhyolitic, Andesitic, Basaltic
Basaltic, Rhyolitic, Andesitic
The lithosphere is divided into plates that carry both land and ocean parts of the Earth. What type of crust mainly makes up the Seafloor?
Asthenosphere
Lithosphere
Oceanic Crust
Continental Crust
Which two (2) Crustal Features are likely to form from Destructive Plate Movement?
Mid-ocean Ridge & Rift Valley
Volcanic Arc & Mid-ocean Ridge
Fold Mountain & Trench
Rift Valley & Fault
Which does NOT describe a Conservative Plate Movement?
It does not create nor destroy Crustal Materials
It happens in a Transform Plate Boundary
It happens due to Shear Tectonic Force
It causes formation of Mountains
Which Trio shows Correct Relationship among Plate Boundaries and Tectonic Forces?
Constructive – Convergent – Tensional Tectonic Force
Conservative – Transform – Shear Tectonic Force
Destructive – Divergent – Compressional Tectonic Force
Destructive – Divergent – Tensional Tectonic Force
What do you call the Tropical Cyclone that occurs in the Atlantic Ocean?
Cyclone
Hurricane
Storm Surge
Typhoon
Which condition is MOST important for a typhoon to develop?
Warm Ocean Water
Cold Ocean Water
PAGASA
Kuya Kim
Which of the following conditions is NOT necessary for a tropical cyclone to form?
Enhanced Air humidity
Gravitational Pull from Sun and Moon
Ocean Water at 26.5°C
Low Pressure Area
Why are Disaster Drills Important?
It makes typhoons weaker in strength
It saves the luxury vehicles of the rich people
It summons Sierra Madre in Battle Mode
It reduces risks and damage caused by typhoons
What does PAR mean?
Philippine Astronomical and Responsibility
Philippine Attitude Response
Philippine Area of Responsibility
Penge Akong Robux
When did Typhoon Odette enter PAR?
8:00 AM of December 15, 2021
8:00 AM of December 14, 2021
8:00 AM of December 16, 2021
8:00 AM of December 17, 2021
When did Typhoon Odette leave PAR?
8:00 AM of December 14, 2021
8:00 AM of December 15, 2021
8:00 AM of December 16, 2021
8:00 AM of December 19, 2021
What decision would be MOST appropriate for the officials to make if they noticed that their Area is usually being hit by Strong Typhoons?
Assume future typhoons will not hit their province
Do nothing since typhoons cannot be controlled
Invest in stronger evacuation centers and early warning systems
Stop monitoring future typhoons since typhoons usually pass through their area
What usually happens to the typhoon’s strength as it passes across mountains?
It becomes weaker
It grows larger
It becomes stronger
Its rainbands thickens
What causes the weakening of Typhoons when it pass over land?
They gained more clouds there
The Flat Terrain is too Slippery for the Typhoons
They absorb huge amount of water from land
The typhoons are not able to absorb enough water
How will you compare the Effects of Flat Terrain and Mountain Ranges to Typhoons?
Plains weaken typhoons more than mountains
Typhoons remain equally strong over mountains and plains
Mountain ranges reduce the typhoon’s strength more than plains
It cannot be determined due to lack of instruments to measure and compare
How does Warmer Ocean affect Typhoons?
It has NO Effect
It Weakens their Windspeed
It Stops Typhoon Formation
It Makes Typhoons Stronger
How does the Online Application Project NOAH help people during Typhoon-related Disasters?
Constructing coastal seawalls
Providing medical teams for Tsunami victims
Developing Real-Time Weather Monitoring Systems
Distributing Food to Remote Communities using very large ships
Why does the use of technologies such as Mobile Command Vehicles and Flood Sensors important in decreasing the damages during disasters?
It trains volunteer doctors for First-Aid Response
It creates Sustaining Evacuation centers in all barangays
It enables LGUs to use scientific tools for better Disaster Detection and Coordination
It mandates all citizens attend Disaster Drills to prepare people for any type of disaster
The Mobile Command and Control Vehicle (MCCOV) and Localized Flood Sensors are now deployed by LGUs under DOST-supported programs. What advantage do these scientific technologies give to LGUs in typhoon events?
They provide entertainment for children during evacuation
They encourage volunteerism by providing trophies and medals
They allow localized monitoring and quick emergency coordination
They replace the need for evacuation drills to develop a resilient community
Which conclusion BEST reflects the Benefits of Research and Inventions to the Community?
Only scientists benefit from these technologies
They make communities overly dependent on gadgets
Only central agencies benefit, while localities do not gain any value
These technologies build smarter, safer, and actively resilient communities
What do you call the Rise and Fall of Sea Level caused by the Gravitational Pull of the Moon and Sun?
Flood
Storm Surge
Tide
Tsunami
Why do Cargo Ships schedule their trip during New Moon or Full Moon?
The waves are calmer during high tide
Fish are more abundant during high tide
Spring tide allows large ships to move safely
Neap tide shortens the travel distance across the sea
Why are Tides unusually high during occurrence of Spring Tide?
Sangre Alena gets mad during new moon
The Earth blocks the Sun’s Gravitational Pull completely
The Sun and Moon’s Gravitational Pulls combine
Typhoons happen during new moon
When is the BEST Time to plant Mangroves?
Low Tide of Spring Tide
Low Tide of Neap Tide
High Tide of Spring Tide
High Tide of Neap Tide
What is the BEST thing to do in Areas with Very Strong Tidal Currents and Not safe to pass through by Small Boats?
Build Dam to Block the Current
Divert the Water to Nearby Farms
Install Turbines to Harvest the Energy
Put Warning Signs around the Area
Where is the Ideal Location of Installing Tidal Turbines to harvest energy?
Bay with Calm Water
Bays with Shallow Water Level
Bays with Fast Water Current
All Types of Bays are Ideal
Gravitational Potential Energy of an Object greatly depend on its Mass and Height from the Ground. What happens to the Amount of Energy that can be harvested if there is very little difference between the height of High Tide and Low Tide in an Area?
The Harvested Energy will be Low
The Harvested Energy will be Equal to 0 Joules
The Harvested Energy will be High
Cannot be Determined
What is the BEST Thing to Consider when Creating Tidal Powerplants in places with Rich biodiversity?
Cancel all renewable energy projects in the area
Stop the project completely to protect marine life
Proceed without studies since energy is more important
Conduct environmental impact assessments before construction
