1) Which of the following best defines a typhoon? a) a high-pressure system b) a low-pressure system with strong winds and rain c) a mild weather disturbance d) a winter storm 2) What is the primary energy source for a typhoon? a) cold air masses b) mountain ranges c) warm sea surface temperatures d) high altitude winds 3) Why is the eyewall significant in a typhoon? a) It is the calmest area. b) It has the highest pressure. c) It is the warmest part of the storm. d) It contains the most severe weather conditions. 4) Which condition is most essential for a typhoon to form? a) Dry air over land b) Strong mountain winds c) Cold ocean water below 20°C d) Warm ocean water above 26°C 5) If the ocean temperature is unusually low, what is most likely to happen to a forming typhoon? a) It will move faster b) It will become stronger c) It will change direction d) It will weaken or fail to form 6) Which of the following best explains why typhoons have a calm “eye”? a) The eye is over cold water b) Clouds are denser in the eye c) Air sinks in the center, reducing wind speed d) The eye is the most dangerous part of the storm 7) A typhoon moves from warm ocean water to a cooler sea area. Which effect is most likely? a) The typhoon will weaken b) The typhoon will spin faster c) The typhoon will change color d) The typhoon will gain strength 8) Why is the Philippines more prone to typhoons than most countries? a) It has many mountains b) It is far from large bodies of water c) It has more rivers than other countries d) It is near the equator and surrounded by warm oceans in the Pacific typhoon belt 9) Imagine a typhoon forming over the Pacific Ocean. Which sequence correctly shows its development? a) Cold water → Air rises → Clouds → Typhoon forms b) Cold water → Air sinks → Clouds → Typhoon forms c) Warm water → Air rises → Clouds → Typhoon forms d) Warm water → Air sinks → Clouds → Typhoon forms 10) If scientists want to predict typhoon formation, which factor would they monitor first? a) Mountain height b) Street traffic in cities c) Human population density d) Ocean temperature and wind patterns

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