Pre-Assessment (First Quarter)

Which of the following trenches are found in the eastern part of the country?

• I and II only

• I and III only

• I and IV only

• II and IV only

The map shows the distribution of active faults and trenches in the Philippines. Which of these is TRUE about its islands?

• I and III only

• I, II, and IV only

• II, III, and IV only

• I, II, and III only

Which of these process/es is/are likely to happen along the trenches?

• I and IV only

• III and IV only

• I and II only

• II and III only

What does the map of global earthquakes and volcanoes below tell you?

• where the edges of the continents are

• where the plate boundaries are

• where the earth is the hottest

• where the tsunami occurs

Based on the map, where have earthquakes occurred most frequently during the last 100 years?

• along the coastlines of Pacific Ocean

• in the middle of the continents

• within the equatorial region

• in the polar regions

What can you infer about the distribution of earthquake epicenters represented by the dots?

• They are found in the oceans.

• They are found within the continents.

• They are randomly distributed in the world.

• They are found along the plate boundaries.

Referring to the figure below, which of the following pair of plate boundaries illustrate convergent boundaries?

• Eurasian Plate – Indian Plate

• Pacific Plate - South American Plate

• South American Plate - Australian Plate

• North American - Eurasian

Which of the following is NOT true about divergence of plates?

• new materials from the mantle move up to fill the gap

• the plates are forming plate boundaries that move apart

• many trenches formed along the underwater ranges

• there is a formation of rift valley ridges

Island arcs are where two plates collide beneath the ocean forming a chain of volcanic islands. Which type of plate boundaries has formed the Philippines as an island arc?

• strike and fault

• collision of two oceanic plates

• collision of two continental plates

• collision of oceanic and continental plates

What type of plate boundary could have caused the most recent earthquake in Southern California?

• divergent

• convergent

• transform

• normal