What causes a volcanic eruption?

What is formed when magma erupts and solidifies on the Earth's surface?

What do we call the opening in the Earth's crust through which volcanic materials escape?

Which of the following is NOT a component typically released during a volcanic eruption?

What is the term for the pool of molten rock located beneath a volcano?

During a volcanic eruption, what is the term for the solidified fragments of lava that are ejected into the air?

What type of volcano is characterized by gentle slopes and non-explosive eruptions?

What can happen when a volcano erupts violently?

Which gas is commonly released during volcanic eruptions and can be harmful to the environment?

What is the name of the mountain that forms as a result of volcanic eruptions?

What is the term for molten rock that erupts and cools on the Earth's surface?

What is the purpose of a vent in a volcano?

What do we call the small fragments of rock or lava that are blasted into the air during a volcanic eruption?

What is the magma chamber in a volcano?

What is the term for a triangle-shaped hill formed as material from volcanic eruptions accumulates?

What is the crater of a volcano?

What is magma?

What is formed when lava cools and solidifies on the Earth's surface?

What is the primary difference between magma and lava?

What is the term used for a large opening in the Earth from which volcanic materials are expelled during an eruption?

Which type of volcano has gently sloping sides and is primarily built up by low-viscosity lava?

What type of volcano is characterized by steep, conical slopes made up of layers of lava and pyroclastic material?

Which type of volcano is formed from volcanic debris and has small, steep sides?

What type of volcanic structure is formed by the slow extrusion of lava, creating steep, rounded mounds?

What do we call large depressions formed when a volcano collapses after an eruption?

Which type of volcano consists of long cracks or fissures from which lava erupts?

Which type of volcano typically has the broadest base and is known for erupting low-viscosity lava that travels long distances?

What is a common feature of stratovolcanoes that contributes to their steep profile?

What type of volcano typically produces small eruptions of ash and cinders, forming a steep-sided cone?

Which volcanic feature is formed when a magma chamber empties and the ground above collapses, resulting in a large depression?

Which of the following is classified as an active volcano due to its ongoing eruptions in the recent past?

What type of volcano has not erupted for a long time but may erupt again in the future?

Which of the following volcanoes is considered extinct, having not erupted for tens of thousands to millions of years?

Which volcano is known as a supervolcano due to its potential for extremely large eruptions?

What is the main characteristic of an active volcano?

Which volcano had its last eruption approximately 2000 years ago, making it a dormant volcano?

Which type of volcano can have catastrophic global effects due to its extremely large eruptions?

Which of the following is an example of an active volcano that has experienced eruptions in the recent past?

What classification does a volcano that has not erupted for tens of thousands of years fall under?

What is the time frame that typically defines a dormant volcano?

Which type of volcanic eruption is characterized by a violent release of magma, gas, and ash due to high-pressure buildup?

What type of eruption involves slow, steady lava flows and is generally less explosive?

Which type of eruption occurs when magma interacts with water, causing steam explosions?

What type of eruption is known for producing vertical columns of ash, gas, and volcanic debris, often causing widespread atmospheric effects?

Which volcanic eruption type is most likely to create pyroclastic flows and ash clouds?

Which type of volcanic eruption is characterized by more gentle lava flows and lower levels of explosivity?

What is a common result of a Plinian eruption due to its high explosiveness?

What happens during a phreatic eruption?

Which volcanic eruption type is known for producing dangerous pyroclastic flows?

Which type of eruption is characterized by frequent lava flow without significant explosions?

Which of the following materials is typically associated with explosive volcanic eruptions?

Which volcano in the Philippines is known for its perfect cone shape?

What is a lahar?

Which volcano is located in Batangas, Luzon, and is known for its caldera?

Which volcanic gas is commonly released during eruptions and can be harmful to health?

What type of eruption is most likely to produce lava flows?

Which volcano in the Philippines is located in Davao City?

What are pyroclastic flows primarily composed of?

Which of the following is a major hazard associated with lahars?

What volcanic feature is formed when a volcano erupts and then collapses into itself?

What is one negative effect of volcanic eruptions related to air quality?

Which of the following is a positive effect of volcanic eruptions?

What can volcanic eruptions temporarily cause in terms of global climate?

What type of volcanic-related disaster involves fast-moving currents of hot gas and volcanic matter?

Which of the following is a major risk associated with underwater volcanic eruptions?

What damage can lahars cause during volcanic eruptions?

What is a negative economic effect of volcanic eruptions?

What valuable resource can be found as a result of volcanic eruptions?

What type of energy can be harnessed from volcanic activity?

Which of the following describes the effect of volcanic ash on agriculture?

What evidence did Alfred Wegener use to support his theory of Continental Drift?

Which two continents did Alfred Wegener note fit together like puzzle pieces?

What did Alfred Wegener suggest about the continents in his Continental Drift theory?

Which type of evidence did Wegener NOT use to support his theory of Continental Drift?

What term describes the movement of tectonic plates that led to the separation of continents?

Which of the following observations helped Wegener support his theory that continents were once connected?

What was one major criticism of Wegener's Continental Drift theory at the time it was proposed?

Why did Wegener think similar fossils found on different continents supported his theory?

What is the name of the supercontinent that Wegener proposed existed millions of years ago?

What geological evidence did Wegener cite regarding mountain ranges?

What was the name of the ancient supercontinent where all continents were joined together?

What scientific theory explains the movement of Earth's lithospheric plates?

What can be a consequence of the movement of tectonic plates?

Which layer of the Earth do tectonic plates float on?

What process can lead to the formation of mountains as tectonic plates move?

Approximately how many years ago did Pangaea exist as a supercontinent?

What major geological activity occurs at the boundaries of tectonic plates?

What is the term for the large plates that make up the Earth's lithosphere?

What happens when two tectonic plates collide?

What evidence supports the theory of continental drift?

What type of plate boundary is formed when two oceanic plates collide and one is forced beneath the other?

Where would you most likely find seafloor spreading occurring?

What geological feature is commonly formed at an oceanic-continental convergent boundary?

What happens to oceanic plates during oceanic-oceanic convergence?

Which of the following is a characteristic feature of divergent boundaries?

Which example is a location where oceanic-continental convergence occurs?

What type of boundary occurs when tectonic plates slide past each other without creating or destroying crust?

Which process is primarily responsible for the formation of new oceanic crust at mid-ocean ridges?

What natural feature is typically formed at the site of an oceanic trench?

Which of the following best describes the movements of plates at divergent boundaries?

What type of geological feature is formed at a continental-continental convergence?

What happens along transform boundaries?

Which of the following is an example of a transform boundary?

What kind of landform is primarily created by continental-continental convergence?

What process occurs when rocks at transform boundaries get stuck and release energy?

Which mountain range is an example of folded mountains formed by continental-continental convergence?

What happens to the Earth's crust at transform boundaries?

Which of the following is a characteristic of continental-continental convergence?

What is a common result of pressure building up at transform boundaries?

Which feature is NOT typically formed at a continental-continental convergence?

What percentage of the Earth's surface is covered by water?

What is the average thickness of the continental crust?

Which type of crust is denser and thinner?

What is the primary composition of the oceanic crust?

What percentage of Earth's water is found in the oceans?

Which layer of the Earth's crust is generally found under the continents?

How thick is the oceanic crust on average?

What is the main reason oceanic crust is denser than continental crust?

What percentage of Earth's surface is made up of land?

What is the term for the thicker layer of the Earth's crust found under the continents?

What layer of the Earth is located between the crust and the outer core and is involved in the movement of tectonic plates?

What is the main composition of the Earth's outer core?

What is the depth range of the asthenosphere within the Earth's upper mantle?

Which layer of the Earth is the hottest and consists of solid iron and nickel?

What is the role of the lower mantle in Earth's interior?

What percentage of the Earth's volume is made up by the mantle?

Which layer of the Earth is characterized as a semi-fluid and allows tectonic plates to move?

What is the approximate thickness of the outer core?

Which layer directly lies above the asthenosphere in the Earth's structure?

What is the primary function of the asthenosphere in relation to tectonic plates?

Which layer of the Earth is the thickest?

What is the outermost layer of the Earth called?

What divides the Earth's core into two regions?

How thick can the Earth's crust be at its maximum?

Which layer of the Earth is located directly beneath the crust?

What is the main component of the Earth's inner core?

What is the approximate depth range of the Earth's mantle?

Which layer of the Earth is primarily responsible for generating the Earth's magnetic field?

Which of the following statements is true about the Earth's crust?

What is the primary material that makes up the Earth's mantle?

Which body waves are the fastest seismic waves that travel through the Earth?

What is the main reason earthquakes occur?

Which ocean is located to the east of the Philippines?

What type of seismic waves only travel through solids?

Which of the following seas is located to the south of the Philippines?

What natural disaster can be caused by an earthquake and result in large ocean waves?

Which area of the Philippines is the largest island?

Which type of seismic waves travel along the Earth's surface?

What geological activity is linked to the movement of tectonic plates?

Which wave type is classified as a surface wave and typically causes the most destruction during an earthquake?

What type of earthquake is caused by the movement of tectonic plates?

Which type of earthquake is measured using the Modified Mercalli Intensity scale?

What is the depth range for shallow earthquakes, which are often the most destructive?

Which of the following magnitudes classifies an earthquake as 'Strong'?

What type of earthquake occurs due to the collapse of a cave or mine?

Which type of earthquake is typically caused by the movement of magma?

What magnitude is classified as 'Great' on the earthquake scale?

What is the main cause of man-made earthquakes?

What classification of earthquakes occurs at depths between 70 and 300 km?

Which category represents earthquakes with magnitudes below 3.0?

What is the purpose of the Richter Scale?

What does PHIVOLCS monitor?

What is a seismogram?

Who collaborated with Charles Richter to develop the Richter Scale?

What instrument records seismic waves during an earthquake?

What is one of the key functions of PHIVOLCS?

What does a seismograph do?

What type of scale is the Richter Scale?

What does a seismogram display?

Which organization is responsible for monitoring earthquakes and tsunamis in the Philippines?

What should you do during an earthquake to protect yourself?

What is one of the first things you should do after an earthquake?

Which safety measure should you take to secure your home before an earthquake?

If you are outside during an earthquake, what is the safest action to take?

What should you include in an emergency kit for earthquakes?

What is a safe place to identify indoors during an earthquake?

What should you do if you notice damaged buildings after an earthquake?

Which organization monitors and warns about earthquakes in the Philippines?

What action should you take regarding windows during an earthquake?

What should you do if you feel aftershocks following an earthquake?