What is the point or area in the crust where slippage of rocks occurs?

The scale used to measure the effect and damage brought about by an earthquake is ____.

Tropical cyclone typically begin as a complex of thunderstorms but then evolve through a series of stages. What do you call the location in the tropical region where most of the tropical cyclones are formed?

Tropical cyclone are being monitored by PAGASA even before they enter the PAR. What is the average number of tropical cyclones that enter the Philippine Area of Responsibility?

Tropical cyclone require warm ocean water to be able to develop. At least what temperature would result to the formation of tropical cyclone?

What is basis of upgrading a tropical storm into a typhoon?

Aside from ice, which of the following makes up the comet?

Asteroid as an irregular shaped rock that orbits the sun. Which of the following is true bout asteroids?

Folding is one way of deformation in rocks which cause changes in volume and/or shape, anticlines and synclines are one of its type. Anticlines and synclines are products of what stress?

The government institution responsible for monitoring, recording and analyzing the history of the earthquakes in the Philippines is known as PHIVOLCS. What does PHIVOLCS stand for?

Which of the following refers to the seeping out of water from the ground during the earthquake?

When does a tropical storm become a typhoon?

Which of the following is NOT a characteristics of the eye of a typhoon?

Which of the following factors is the major caused why tropical cyclone gets bigger while it is still on the bodies of water?

When a tropical cyclone enters the Philippine Area of Responsibility (PAR) and it is on its way toward land, warning signals are issued by PAGASA to warn people about the approaching weather disturbances. Which of the following must be done when PSWS #4 is announced?

Which body of water is at eastern side of the Philippines and covers a large area of PAR?

What is the classification of cyclone when its wind speed from 118 kph reaches up to 200 kph?

Finding meteorites that originate in comets is extremely rare because _____

People of different cultures have regarded comets with fear and dread. Their appearance, a bright head surrounded by a cloud with a long tail, was thought to herald plaques and disasters. What do we call that luminous cloud of gas and dust surrounding the comet?

Meteor showers and meteors are not stars falling on Earth. They are remnants of celestial objects orbiting the sun seen on Earth. How do astronomers name meteor showers?

Cross bracing is designed in architectural and engineering. Cross braces are X-shaped beams place on the outside of the building. The braces reinforce the building. The human impacts by which natural hazard would be most reduced by using cross bracing?

Seismic waves are vibrations that travel through the Earth carrying the energy released during an earthquake. How do rock particles move during the passage of an S wave through the rock?

Seismic waves travel from the hypocentre. If the P waves were to go from a solid to liquid, what would happen to its velocity?

Tropical cyclones could either strengthen or weaken as they travel. Which contributes to the strengthening of a tropical cyclone?

A tropical cyclone is observed to be approaching the Philippine Area of Responsibility (PAR) with sustained winds of 200kms/hr. How would you categorize this tropical cyclone?

What will you do to prepare and lessen the risk of the approaching strong typhoon?

Why PAGASA do regularly monitors when tropical cyclone is within the Philippine Area of Responsibility?

A tropical cyclone is observed to be approaching the Philippine Area of Responsibility (PAR) with sustained winds of 88kph. How would you categorize the tropical cyclone?

According to the Alvarez Hypothesis, a celestial object made impact with Earth 65 million years ago that resulted in extreme climate change and extinction of many plants and animals. Which proposed celestial object was the cause of this?

How do we know that the “new” comets are members of the solar system and not just interstellar objects passing near the sun?

By analyzing the differences in the time it takes for P waves and S waves to arrive at a seismograph station, which of the following regarding earthquake can be determined by the scientist?

Tsunamis are sometimes called seismic waves that can destroy everything in the coastal zone, but they occur as small unnoticeable waves out at sea. Why do tsunamis become destructive as they approach the coast?

Storms vary in size. Which list below arranges storms from largest to smallest?

Which of the following is NOT generally associated with thunderstorm?

How does PAGASA issue warning of an approaching typhoon?

Front is the boundary between two different air masses. What happens along a stationary front?

Suppose last night was clear and calm. Tonight low clouds will be present. Based on the situation stated, which of the following would you conclude about tonight’s minimum temperature?

What term is used to describe comets and asteroids, celestial bodies that pass the Earth from time to time?

A close-up look at the asteroid Ida provides reliable evidence. Which of the following is the best evidence provided by the image of asteroid Ida?

Meteoroids is a solid body orbiting the sun, becoming a meteor, or shooting star, if it enters the Earth’s atmosphere. Which of the following is NOT a source of meteoroids?