SECOND DIAGNOSTIC EXAMINATION IN SCIENCE 8


I. Multiple Choices. Read and analyze each question carefully, then write the letter of the

correct answer on your answer sheet.


1. A break in the Earth’s crust which significant movement has taken place.

a. Dip

c. Epicenter

b. Fault

d. Focus

2. Which of the following faults occurs where the “hanging wall “moves up relative to the footwall

a. Normal fault

c. Strike slip fault

b. Reverse fault

d. Stress fault

3. Earthquakes are a frequent phenomenon in Japan, Indonesia, and therefore thePhilippines. How is that so?

a. Japan, Indonesia, and therefore the Philippines are found near the equator.

b. Japan, Indonesia, and the Philippines are located within the Pacific Ring of fire.

c. Japan, Indonesia, and therefore the Philippines are enclosed by seas.

d. Japan, Indonesia, and therefore the Philippines are deemed archipelagic countries4. Not every fault action under the ocean will generate a tsunami. Which of the subsequent

fault changes will happen in such an event?

a. String movement

c. Vertical movement

b. Sideward movement

d. Horizontal movement

5. Where does the sudden release of energy that has built up over a long period of time take place?

a. at the epicenter

c. at the focus

b. at the center point

d. through the radius

6. What does earthquake intensity indicate?

a. amount of destruction caused by the earthquake

b. distance from the epicenter

c. power and energy of the earthquake

d. amplitude of the earthquake vibration

7. Which of the following seismic waves travel through the interior of the earth?

a. Surface waves c. Q-waves

b. Body waves

d. L-waves

8. How do rock particles move during the passage of P-waves through the rock?

a. Back and forth, parallel to the direction of the wave

b. Back and forth, perpendicular to the direction of the wave

c. On a rolling circular motion

d. The particles do not move

9. Which kind of seismic waves usually do the most damage in an earthquake?

a. P-waves

c. P-waves and S-waves

b. S-waves

d. Love waves and Rayleigh waves

10. How does the energy of an earthquake travel through the Earth?

a. Seismic waves carry the energy of an earthquake away from the focus, through the earth’s interior,

and across the surface.

b. During an earthquake, seismic waves move toward the focus and epicenter then move out in all

directions.

c. Seismic waves carry the energy of an earthquake toward the focus, through the Earth’s interior, and

across the surface.

d. During earthquake, seismic waves move away from the focus and epicenter then moves in all

directions.11. This is an intense circular storm that originates over warm tropical oceans by low atmospheric

pressure, high winds, and heavy rains.

a. Storm

c. Typhoon

b. Tropical depression

d. Monsoon



For numbers 12 - 14, please refer to the table and picture below.

POINTS OF THE PAR

(PHILIPPINE AREA OF

RESPONSIBILITY)

Points

Latitude,

Longitude

A

5°, 115°

B

15°, 115°

C

21°, 120°

D

25°, 120°

E

25°, 135°

F

5°, 135°



12. Given the following points of PAR, if a typhoon is located at 15°, 141°, is it inside the PAR?

a. True

b. False

13. How about if the typhoon is at 19°, 118°, is it within the PAR?

a. True

b. False14. Which of the following is within the Philippine area of responsibility?

a. 24°, 128°

c. 80N, 1130E

b. 120N, 1320E

d. 150N, 1410E

15. Why does the wind speed around the eye increase while the storm forms over the ocean?

a. due to spin of the earth c. due to prevailing winds

b. due to supply of moisture

d. due to high pressure in the eye

16. Why do tropical cyclones move in northwest direction?

a. Due to temperature of the air

b. Due to large scale winds

c. Due to air pressure

d. Due to the amount of water vapor in ocean water

17. Comets and asteroids have _______ shapes and ________sizes.

a. Regular: varied

b. Regular: same

c. Irregular: varied

d. Irregular: same

18. A __________ is seen as a bright object with elliptical orbit that has collected ice and cosmic dust

and other gases, like helium, methane, and hydrogen.

a. Meteoroid

c. Stars

b. Comet

d. Asteroid

19. Which of the following refers to pieces of relatively small rocks that are in space?

a. asteroids

c. planetoids

b. meteoroids

d. ellipsoids

20. Which of the following refer to the rocky bodies that hit the Earth’s surface falling from space?

a. meteoroids

c. asteroids

b. meteors

d. meteorites

please pa answer po ibebrainliest kopo kayo pagnaka tama​