Several stratovolcanoes like Mt. Mayon of the Philippines, Mt. Fuji of Japan, Mt. Sinabung of Indonesia and Mt. Saint Helens of the USA are located in the ring of fire. Would you say stratovolcanoes are common in the Philippines? Why or why not?

During a geology field trip, Emma and her classmates are studying different types of volcanoes. They come across a cinder cone volcano and discuss its characteristics. Emma states: I. It is built from particles and blobs of solidified lava ejected from a single vent. II. Lava coming out from this volcano is not accompanied by pyroclastic materials. III. Lava blown out from this volcano breaks into small fragments, solidify and fell as cinder around the vent. IV. It is formed from viscous magma being erupted effusively onto the surface and then piling up around the vent.

In a small town in the Philippines, a group of engineers is discussing energy sources for their community. They are evaluating different statements about energy generation. Which of the following statements is TRUE?

Mia is hiking in the mountains and notices that as she climbs to the top, the clouds are thick and fluffy. However, as she descends towards the leeward side, the clouds start to disappear. Why does this happen?

Imagine you live near Mt. Hibok-Hibok, which is an active volcano in Camiguin. Knowing that you live near an active volcano, how should you prepare in case the volcano will show signs of an eruption?

In a remote area, Daniel is studying a volcano that has a magma chamber with a very high amount of silica. If the volcano were to erupt, which might happen?

During a geology field trip, Maya observes a volcanic eruption and notes the characteristics of the magma. She wonders what can be inferred about the silica content and temperature of the magma if it has low viscosity.

During a geological survey, a team of scientists is monitoring a volcano known for its activity. They observe several phenomena that could indicate an impending eruption. I. Crater glow due to presence of magma at or near the crater. II. Noticeable increase in the extent of drying up of vegetation around the volcano’s upper slopes. III. Increase in the frequency of volcanic quakes with rumbling sounds; occurrence of volcanic tremors. IV. Decreased steaming activity; change in color of steam emission from white to blue due to entrained of ice. V. Rockfalls from the summit area which are not attributable to heavy rains.

In the recent past, Daniel has been exploring alternative sources of renewable energy to reduce dependence on fossil fuels. He is particularly interested in how the energy from volcanoes can be tapped for human use. How can he utilize this energy?

In a geothermal power plant, Mason is tasked with explaining the process of energy conversion to his classmates. He describes how the heat from the Earth's core is used to generate electricity. What is the proper sequence of energy conversion in a geothermal power plant?

In a geography class, the teacher explains that the Philippines is one of the largest producers of geothermally-generated electricity in the world. What could be the reason for this?

Luna has been studying the weather patterns in her hometown for several years. She notices that the weather can change from day to day, but she is particularly interested in understanding the overall trends. Which of the following BEST describes climate?

In a coastal town, Maya notices that the weather is often milder than in the nearby inland areas. Curious about this phenomenon, she learns that the ocean plays a significant role in shaping the climate of her town. How do oceans affect the climate of an area?

In a small town, a geothermal power plant is being constructed to provide electricity to the community. The process involves several steps: I. A cooling tower cools the steam which it condenses back to water. II. The cooled water is pumped back into the Earth to begin the process again. III. Wells are drilled deep into the Earth to pump steam or hot water to the surface. IV. When the water reaches the surface, the drop in pressure causes the water to turn into steam. V. The steam spins a turbine, which is connected to a generator that produces electricity.

During a hiking trip in the mountains, Evelyn noticed that the side of the mountain facing the wind was lush and green, while the opposite side was dry and barren. How does the windward side differ from the leeward side of a high land?

In a mountainous region, Sophia lives at sea level in a valley, while her friend Rohan resides on a high peak nearby. Why do their locations, which are at the same latitude but different altitudes, experience different climates?

During a science class, Mia learned about the greenhouse effect. Her teacher explained that certain gases in the atmosphere play a crucial role in regulating the Earth's temperature. Which of the following statements is TRUE about the greenhouse effect?

In a bustling city, Anika drives her car to work every day, while Benjamin operates a factory that produces goods. Meanwhile, Kai is known for his agricultural practices, which include the "Kaingin System" or forest burning. Which of these human activities would result in an increased amount of carbon dioxide in the atmosphere?

In a recent climate conference, experts discussed the impacts of El Niño and La Niña phenomena on global weather patterns. Which statement is TRUE about these phenomena?

As the world experiences the effects of global climate change, communities are facing various challenges. In a coastal town, residents have noticed several alarming changes. Which of the following has been a result of global climate change in their area?

You observed that your neighbor, Ethan, has been burning dried fallen leaves, weeds and twigs in his backyard every weekend. What appropriate action should you take?

Elijah and Hannah were stargazing one night and noticed that they could see many constellations. However, during the day, they could hardly see any stars. Is the sun the biggest factor why there are less visible constellations during daytime? Why or why not?

While stargazing one night, Mia noticed that the stars in the sky had different colors. Curious, she wondered why this was the case.

During a stargazing event, Anika noticed that the star Algol is estimated to be as bright as the star Aldebaran and have approximately the same temperature as the star Rigel. Which of the following statement is correct?

Elijah and Anika are stargazing one night. They notice that they can see many constellations in the sky. Why are most constellations visible at night?

Why can Maya see different parts of the sky at different times of the year?

Priya is observing the night sky throughout the year and wants to understand how the constellations appear to move. Which model would best demonstrate the apparent motion of constellations in the night sky throughout the year?

While hiking in Hawaii, Elijah comes across a massive volcano that is large, broad, dome-shaped with long, gently sloping sides. He wonders which volcano it could be among the famous ones in the area.

During a geology field trip, Ethan and his classmates are exploring different types of volcanoes. Their instructor points to a small volcano with steep slopes and explains that it was formed by the accumulation of tephra (fragments of volcanic material). Which type of volcano are they observing?

Jackson is studying different volcanoes around the world. He learns that volcanoes emit magma in varying amounts. Which of the following characteristics of a volcano depends on its magma emission?

During a geology field trip, Charlotte and her classmates are studying various volcanoes. They come across a volcano that has erupted several times in the past century, while another one nearby has been dormant for over a thousand years. Charlotte wonders, what is the basis of classifying volcanoes as active or inactive?

During a geography field trip, a group of students is learning about volcanoes. Their teacher asks them to identify which of the following is classified as a potentially active volcano.

While exploring the beautiful landscapes of the Philippines, Benjamin came across several volcanoes. He was curious to know which of these volcanoes is currently active. Can you help him identify it?

The news reporter said that, “there is a volcanic eruption near at barangay Wakwak”. What is the molten material or rocks inside the Earth that has been ejected out of a volcanic eruption?

Grace is exploring different locations to harness geothermal energy for her new renewable energy project. Which of the following would be the BEST place for her to set up the project?

In a small town, the local government is considering various energy sources to power their community. They are evaluating geothermal energy, but some council members are concerned about its drawbacks. Which of the following is NOT part of the disadvantages in using geothermal energy?

During summer, many people visit Baguio because of the cold weather. Samuel, a traveler, wonders what makes Baguio cold during this season.

Imagine a coastal town where the ocean currents carrying warm water flow away from the equator. What happens to the temperature of the place?

City A, known for its beautiful landscapes, is surrounded by bodies of water and mountain ranges, enjoying a moderate climate. It is also located near the equator. What will most likely affect the climate of the city?

During a science class, Zoe learned that the earth is tilted $$23.5^\circ$$ . She wondered which part of the earth receives most of the sun’s rays.

In a geographical study, researchers are examining different areas to determine their climate characteristics. They have identified the following areas and features: A—Mountain Range: Present; Bodies of Water: Present. B—Mountain Range: Absent; Bodies of Water: Present. C—Mountain Range: Absent; Bodies of Water: Present. D—Mountain Range: Absent; Bodies of Water: Absent. Based on these features, what is the coldest area?

In a small town, the residents have noticed a significant increase in extreme weather events over the years. One day, during a community meeting, they discuss the long-term effects of global warming. They are particularly concerned about which of the following is the MOST drastic and alarming effect that could impact their town for a long period of time?

During a science class, Mia and her classmates are discussing different types of gases and their effects on the environment. The teacher asks, "Which of the following gases is NOT a greenhouse gas?"

During a stargazing event, Liam is trying to identify which type of star is most similar to the Sun. He comes across several options and needs to make a choice.

While stargazing on a clear night, Sophia pointed out various stars to Noah. She asked him, "Which of the following is an example of a constellation?"

During a school field trip to a planetarium, Rohan learned that stars can be found in large groups throughout the universe. What are these groups called?

Harper is standing at the North Pole, where will she see the Polaris?

As Evelyn gazes up at the night sky during a camping trip, she notices how the stars seem to shift positions. How do stars appear to move in the night sky?

During a geology field trip, Isla and her classmates observed various types of volcanoes. One of the volcanoes they studied was characterized by steep-sided, symmetrical cones and explosive eruptions. Which type of volcano were they examining?