WorksheetsPre-Assessment (First Quarter)
Total questions: 50
Worksheet time: 25mins
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
Which Earth processes explain the formation of lake in picture 1 and valley in picture 2, respectively?
by the faulting and folding of rock layers
by the deposition of sediments
by the eruption of a volcano
by collision of two plates
Based from the figure, which statement best describes the location of mountain ranges and volcanoes along the Pacific Plate boundaries?
They are both scattered.
They are both in clusters.
They don’t have any definite pattern.
Most volcanoes are in cluster while mountain ranges are scattered
When two plates come together, collision occurs. What type of destructive margin formed the Appalachian Mountain?
strike and fault
collision of two oceanic plates
collision of two continental plates
collision of oceanic and continental plates
Which of the following would BEST complete the analogy?
Hawaii
Sierra Madre
Mariana
San Andreas
Which of the following can be explained at point B in the diagram?
Plates are not moving.
Plates move apart and volcanoes form.
Plates move past each other sideways.
Plates move towards each other and volcanoes form.
Identify the landform that may possibly form between A and B if they move in the direction indicated by the arrow.
trench
island arc
rift valley
mountain ranges
If B and C are both oceanic crust, what may possibly form between them if they move in the direction indicated by the arrow?
trench
island arc
mid-ocean ridge
mountain ranges
If B and C are both continental crust, what may possibly form between them?
trench
island arc
mid-ocean ridge
mountain ranges
If A and B are both oceanic crust, what may possibly form between them?
trench
island arc
mid-ocean ridge
mountain ranges
Why are mid-ocean ridges higher than the rest of the ocean floor?
Because of subduction zones
Because of earthquakes
The plates are being pushed up creating an undersea mountain range
Because the plates collide and create an undersea mountain range
Which is the BEST explanation for the occurrence of higher than average temperature in the the mid-Atlantic Ridge?
the existence of convection cells in the mantle
the presence of heat due to volcanoes and hydrothermal vents
a high concentration of magnetic rocks in the mantle
D. the existence of a thinner crust under mountains
Which of the following diagrams best illustrates the convection occurring in the mantle?
A
B
C
D
When a continental and an oceanic crust collide, the oceanic crust dives down under the continental crust. Which statement best explains this observation?
the oceanic crust is denser than the continental crust
the continental crust exerts pressure on the oceanic crust
the weight of the continental crust pushes down the oceanic crust
the top portion of the oceanic crust is wet so it tends to slide down the continental crust
What causes the sinking of the oceanic crust?
difference in age
difference in thickness
difference in temperature
difference in composition
Which of the following can be used to easily track the direction of plate movement?
coastal mountains
oceanic subduction
oceanic crust
hot spots
Useful information regarding the composition of the interior of Earth can be derived from earthquakes because earthquake waves ______________________________
release materials from within Earth
travel through Earth at constant velocity
change the radioactive decay rates of rocks
travel at different rates through different materials
As the depth within Earth’s interior increases, the _____________________.
density, temperature and pressure increase
density, temperature and pressure decrease
density and temperature increase but pressure decreases
density increases, but temperature and pressure decrease
An S wave shadow zone is formed as seismic waves travel through the Earth’s body. Which of the following statements does this S-wave shadow zone indicate?
The outer core is liquid.
The inner core is liquid.
The inner core is solid.
The mantle is solid.
Why are there no P waves or S waves received in the P-wave shadow zone?
P waves are absorbed and S waves are refracted by the Earth’s outer core.
P waves are refracted and S waves are absorbed by the Earth’s outer core.
Both P and S waves are refracted by the Earth’s outer core.
Both P and S waves are absorbed by the Earth’s outer core.
Which of the following observations may NOT indicate a forthcoming destructive earthquake?
rapid tilting of the ground
rapid changes in water levels in wells
rapid increase of carbon dioxide in the atmosphere
an increase in the frequency of smaller earthquakes in the region
Which of the following is NOT true about primary waves?
can travel through solids only
the fastest type of seismic wave
compressional / longitudinal waves
the particles vibrate parallel to the direction where the wave is travelling
Which letter represents the layer consists of liquid iron and nickel?
A
B
C
D
Based on the density of each layer, which arrangement is correct based on decreasing density?
A, B, C, D
D, C, B, A
A, C, B, D
C, B, D, A
The Earth is described as a big magnet. In which layer does the Earth’s magnetic field believed to have been generated?
A
B
C
D
Which of the following explains why tectonic plates in the earth's crust move?
They lie on top of the asthenosphere where they moved by the convection current
Faults, volcanoes, and trenches are affected by earthquakes and plate movements
It is due to the formation of plate boundaries.
They are being pulled by earth's gravity.
From the figure below, which is the oldest rock?
A
B
C
D
Which is the youngest?
A
B
C
D
What most likely happens to the thickness of the ocean sediments as you move farther from the mid-ocean ridge?
remains the same
always 100 times thicker
decreases
increases
In 1912, Alfred Wegener proposed a theory that the Earth is once a single landmass. What is the name of the supercontinent?
Eurasia
Laurasia
Pangaea
Gondwanaland
During the 1960s, scientists were already equipped with gadgets needed to explore the deep ocean. What discovery about the ocean floor is associated with the seafloor spreading theory?
Mountains are denser than the mantle.
The rotational poles of the Earth have migrated.
The crust of the continents is denser than the crust of the ocean.
The oceanic crust is very young relative to the age of the continental crust.
Which of the following increases with distance from a mid-ocean ridge?
the thickness of the lithosphere
the age of oceanic lithosphere
the depth to the seafloor
all of these
If the Atlantic Ocean is widening at a rate of 3 cm per year, how far (in km) will it spread in a million years?
3 km
30 km
300 km
3 000 km
Which of the following can we infer from the continuous movement of the lithospheric plates over the asthenosphere?
All the continents will cease to exist.
All the volcanoes in the Philippines will become inactive.
The continents will not be located in the same place as they are now.
The islands of the Philippines will be scattered all over the world.
If all the inner layers of the Earth are firm solid, what could have happened to Pangaea?
It remained as a supercontinent.
It would have become as it is today.
It would have slowly disappeared in the ocean.
It would have stretched and covered the whole world.
Three seismograms are shown below. The seismograms were recorded at earthquake recording stations A, B and C. The letters P and S on each seismogram indicate the arrival times of the P and S waves. 45. At what time did the S-waves arrive at station A?
08:16:00
08:21:00
08:27:00
08:30:00
A fourth station recorded the same earthquake. The P waves arrived, but the S waves did not arrive. The best explanation for the absence of the S wave is that it _________________
was not detected by the instrument
stopped when it reached a solid part of Earth’s interior
stopped when it reached the liquid part of Earth’s interior
traveled only on Earth’s surface and did not penetrate Earth’s interior
The radius of each circle in the diagrams on the right represents the distance from each seismograph recording station A, B and C to the epicenter. Which diagram correctly illustrates the positions of the three recording stations relative to the location of the earthquake epicenter?
Which of the following are evidences of continental drift?
I, II and III only
IV. V and VI only
All except I and III
All except I, II and VI
You were asked to locate the epicenter of a recent earthquake. Which correct sequence of events should you follow?
I, III, II, IV
III, I, IV, II
III, IV, I, II
IV, II, I, III
Which evidence does NOT support the theory that Africa and South America were once part of the same large continent?
correlation of rocks on opposite sides of the Atlantic Ocean
correlation of fossils on opposite sides of the Atlantic Ocean
correlation coastlines on opposite sides of the Atlantic Ocean
correlation of living animals on opposite sides of the Atlantic Ocean
