pt

• What happens to wave height as a typhoon approaches?

  It increases
• What is a sign of an approaching typhoon?

  Increasing cloudiness
• What does decreasing barometric pressure indicate?

  It signals an approaching typhoon
• What occurs to winds during the formation of a typhoon?

  Winds blow inward and increase in speed
• What was the strongest typhoon that hit the Philippines in 2013?

  Typhoon Yolanda
• What category was Typhoon Pepito in 2024?

  Super typhoon
• What is a storm surge?


  An abnormal water level rise caused by storms
• What is the eye of a typhoon?

  The center of the storm with little wind
• What characterizes the eye wall of a typhoon?

  It is the most dangerous part with strong winds
• What are rainbands in a typhoon?

  Secondary cells spiraling into the center
• How does air spiral in the Northern Hemisphere during a typhoon?

  Counterclockwise toward the center
• What conditions are needed for a typhoon to form?

  A pre-existing disturbance and warm ocean water
• What is the role of the ITCZ in typhoon formation?

  It provides necessary atmospheric conditions
• How do typhoons gain power?

  By moving over warm bodies of water
• How many typhoons enter the PAR each year?

  About 20 typhoons
• What can weaken a typhoon?

  Low vertical wind shear and cooler water
• What data is needed to track a typhoon?

  Latitude, longitude, and time-seconds
• What are seismic waves?

  Vibrations generated by an earthquake
• What are the types of seismic waves?

  1. Body Waves:

  • Primary Waves: Longitudinal, travel through all states of matter
  • Secondary Waves: Transverse, travel through solids only

  1. Surface Waves:

  • Love Waves: Horizontal movement, causes ground shifting
  • Rayleigh Waves: Rolls along ground, causes most shaking
• What happens to seismic waves when they refract?

  They change direction due to different layers
• What does it indicate if S waves cannot travel through a layer?

  The layer is liquid
• What might happen if a house is built on a fault?

  Doors may not fit and cracks may appear
• What is a meteoroid?

  A small rocky object orbiting the sun
• What is a meteor commonly called?

  Shooting star
• What are asteroids?

  Rocky objects orbiting the sun
• What is a comet?

  A snowball of frozen dust and rock
• What factors affect meteor shower observations?

  Weather, light pollution, and location
• What causes a meteor shower?

  Remnants of broken-up comets entering the atmosphere
• What element is associated with the Hale-Bopp Comet's brightness?

  Argon
• What is not a characteristic of comets and asteroids?

  Reflection of light from the sun
• Where do comets originate from?

  Oort cloud and Kuiper belt
• What is the major difference among comets, meteors, and asteroids?

  Composition
• When is the next appearance of Halley's Comet?

  2061-2065
• How is a meteorite different from a comet?

  A meteorite enters Earth's atmosphere
• What happens when a comet or asteroid hits Earth?

  Plants and animals near the crash site are affected
• What is the bright glow around a comet's head called?

  Coma
• How does a meteor move compared to a comet?

  A meteor moves fast, a comet moves slowly
• Where do asteroids and comets form in relation to the frost line?

  Asteroids form inside, comets outside
• Where are meteoroids located?

  Far up in the sky
• What are meteorites?

  Objects that have landed on Earth