1) Which of the following is primarily responsible for the formation of land and sea breezes? a) Ocean currents b) The rotation of the Earth c) The moon's gravitational pull d) Differences in air pressure due to temperature differences 2) How does the Intertropical Convergence Zone (ITCZ) affect the climate of the Philippines? a) It brings calm, clear skies to the region b) It blocks typhoons from entering the Philippines c) It causes an increase in temperature and dryness d) It causes heavy rains and thunderstorms, especially during the wet season 3) What happens to solar radiation when it enters the Earth's atmosphere? a) It only reaches the Earth’s surface b) It is entirely reflected back into space c) It is completely absorbed by the atmosphere d) It is partially absorbed, scattered, and reflected 4) What is the point beneath Earth's surface where an earthquake originates? a) Epicenter b) Focus c) Fault line d) Seismic zone 5) What are seismic waves? a) Ocean waves caused by earthquakes b) Vibrations that travel through Earth after an earthquake c) Storm surges caused by typhoons d) Electromagnetic waves from the sun 6) The Philippines is located along the Pacific Ring of Fire. What does this mean? a) The country is protected from tsunamis b) The country has frequent typhoons c) The country experiences many earthquakes and volcanic eruptions d) The country has extremely high temperatures year-round 7) What is the scale used to measure the intensity of an earthquake based on observed effects? a) Richter Scale b) Mercalli Scale c) Beaufort Scale d) Fujita Scale 8) What happens to seismic waves when they travel through different layers of the Earth? a) They disappear completely b) They remain unchanged c) They change speed and direction d) They become weaker and stop at the surface 9) What should residents of Metro Manila do to prepare for the "Big One"? a) Stay in high-rise buildings during an earthquake b) Rely on rescue teams without personal preparedness c) Secure heavy objects, participate in earthquake drills, and prepare emergency kits d) Wait until the government issues an official warning before taking action 10) If you are near the coast and feel a strong earthquake, what should you do immediately? a) Stay indoors and wait for further instructions b) Move to higher ground in case of a tsunami c) Go to the beach to see if the water level changes d) Take shelter under a tree 11) Which earthquake hazard occurs when soil behaves like a liquid due to intense shaking? a) Landslides b) Liquefaction c) Ground rupture d) Seismic wave refraction 12) What is the best thing to do if you are driving and an earthquake occurs? a) Stop the vehicle in a safe place, away from bridges and overpass b) Continue driving at full speed to escape the shaking c) Park under a bridge for protection d) Exit the vehicle and stand in the middle of the road 13) Which layer of the atmosphere contains the ozone layer? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 14) What is the role of the ozone layer in the atmosphere? a) It absorbs harmful ultraviolet (UV) radiation from the sun b) It produces oxygen for humans to breathe c) It traps heat to warm the Earth d) It prevents the escape of greenhouse gases 15) What happens to air pressure as altitude increases? a) It increases b) It stays the same c) It decreases d) It disappears completely 16) Which atmospheric layer is the coldest? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 17) What atmospheric phenomenon is responsible for the formation of typhoons in the Philippines? a) El Niño b) Monsoon winds c) Intertropical Convergence Zone (ITCZ) d) Aurora borealis 18) Which wind system brings heavy rains to the western part of the Philippines from June to October? a) Northeast Monsoon (Amihan) b) Southwest Monsoon (Habagat) c) Easterlies d) Trade Winds 19) What is the main reason why the Philippines is prone to typhoons? a) It is near the equator and surrounded by warm ocean waters b) It has many mountains c) It has a large landmass d) It is far from the Pacific Ocean 20) In which layer of the atmosphere do typhoons form? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 21) How does air pollution in Metro Manila affect the atmosphere? a) It causes the thinning of the ozone layer b) It increases greenhouse gas emissions, contributing to climate change c) It strengthens the monsoon season d) It cools down the atmosphere permanently 22) What causes a land breeze to occur at night in coastal areas of the Philippines? a) The land cools down faster than the ocean b) The ocean cools down faster than the land c) There is no temperature difference at night d) Wind patterns shift dramatically during the night 23) How does the solar heating of the Earth contribute to the formation of the monsoons? a) It causes the ocean to warm up, driving winds away from the land b) It causes the ocean to become colder, attracting wind from the land c) It creates low-pressure areas over the land that draw moist air from the ocean d) It creates high-pressure areas over the ocean that prevent winds from reaching the  24) What would happen if the Earth had no axial tilt? a) There would be no seasons b) Day and night would be equal everywhere year-round c) The equator would experience extreme temperature changes d) Both a and b 25) Which season is represented in the northern hemisphere in the model below?  a) Winter b) Autumn c) Summer d) Spring

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