Science 8 Second Periodical Unit Test SY 2023-2024 PDF

**SECOND QUARTERLY UNIT TEST IN SCIENCE 8** **SY 2023-2024** **Name: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Score:\_\_\_\_\_\_\_\_\_\_\_** **Grade & Sec: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ DATE: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_** **Di...

**SECOND QUARTERLY UNIT TEST IN SCIENCE 8** **SY 2023-2024** **Name: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Score:\_\_\_\_\_\_\_\_\_\_\_** **Grade & Sec: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ DATE: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_** **Directions:** Choose the letter of the best answer and **WRITE the CAPITAL** letter before each number. 1. When an earthquake occurs, where would the intensity be greatest? B. away from the focus D. away from the epicenter 2. Which of the following about an earthquake measures its extent of damage at a particular location? A.intensity B. magnitude C. epicenter D. focus 3. What point on the earth's surface is directly above the focus? A. Epicenter B. Fault C. Intensity D. Magnitude 4. At which point will the earthquake most damage occurs? A. point A B.point D C. point B D. point F 5. What would be the result If a fault suddenly moves in or near a body of water? A. typhoon B. tsunami C. seismic waves D. storm surges 6. Which government agency in the Philippines monitors the earthquake? A. DOST B. DENR C. NDRMMC D. PHIVOLCS 7. What are the warning signs that a tsunami could be coming? A. The sea withdrawing from the beach. C. Shaking of the ground B. A roaring sound D. All of the above 8. What type of wave is the fastest traveling wave and can travel through liquids and solids? A. P-Waves B. S-Waves C. Love Waves D. Rayleigh Waves 9. Which of the following refers to the vibrations produced by an earthquake? A. Sea-surface waves C. Seismic waves B. Pressure waves D. Tidal waves 10. What type of seismic wave can only travel through the solid parts of Earth's interior? A. S waves    B. P waves C. Surface waves D. Body waves 11. All the following will occur when wind blows over a warm ocean water except: A. wind collects moisture C. warm air rises B. pressure not affected D. cold air moves down 12. What gives a tropical cyclone its energy or power to keep it going? A. energy of the sun B. sand and soil from land C. particles of air rising above the warm water D. water vapor from the warm water of the Pacific Ocean 13. How do landforms affect typhoon? A. Landform like a mountain can help in formation of a cyclone because of its temperature. B. When a typhoon passes over land mass, it may lessen water vapor, weakened, and died out because they are cut off from the ocean water. C. Land mass can produce hot and cold air mass that is essential in the development of a cyclone. D. The hot air mass from the sea can be replaced by hot air mass from the land to keep the cyclone going. 14. Where are typhoons most likely to do the most damage? A. near the seaboards B. In the forest C. In a desert D. on the North Pole 15. When a very intense typhoon stays over an area for a long period of time, the result can be \_\_\_\_\_. A. drought B. flash floods C. tsunamis D. climate change 16. When PAG-ASA puts a province under storm warning signal number 3, what should be the people's response to it? A. People should go outside and enjoy outdoor activities. B. People should evacuate especially if they are living in low-lying areas and should also exercise safety. C. People should travel somewhere else by sea. D. People should consider riding in an aircraft. 17. What is the emergency warning system which PAG-ASA uses to inform the public living in different areas/places in the country about the approaching weather disturbance such a typhoon and its effects? A. Public Storm Warning Signals (PSWS) B. Magnitude and Intensity Numbers C. Rainfall and Flood Warning System (RFWS) D. Public Alarm and Information System 18. What is the primary chemical constituent of comets? A. water B. methane C. nitrogen D. carbon dioxide 19. What heavenly body originates from the Oort cloud that is beyond our Solar System, and a few from Kuiper Belt, which is just beyond Neptune's orbit? A. Asteroids B. Comets C. Meteors D. Meteorite 20. What is the annual light phenomenon characterized by many meteors appearing and shooting from the sky in a short period of time? A. meteor B. meteor shower C. meteorite D. meteoroid 21. Which of the following light phenomenon can be seen in the Earth's atmosphere? A. Meteor B. Meteoroid C. Meteorite D. Comet 22. How does a meteor shower occur? A. When Earth passes through asteroid belt B. When Earth passes through the orbital of Kuiper Belt C. When Earth passes through the orbit of a comet where fragments and dust remain in orbit and orbits the Sun as well, while Earth goes around the Sun D. All of the above 23. Long period comet can be found at \_\_\_\_\_\_\_ while short period comet can be found at \_\_\_\_\_\_\_. 24. How will you differentiate comets from asteroids in terms of origin? A. B. C. D. 25. Which of the following is the correct arrangement of the following fragments from the space as it enters the atmosphere and landed on the surface of the earth? A. Meteoroid-Meteorite-Meteor B. Meteoroid-Meteor-Meteorite C. Meteorite-Meteor-Meteoroid D. Meteor-Meteoroid-Meteorite 26. Where can you find the asteroid belt in the solar system? A. Between Venus and Mars B. Between Mars and Earth C. Between Jupiter and Saturn D. Between Mars and Jupiter 27. What do astronomers hold true about asteroids? A. B. They are satellites of planets. C. They are pockets of gas in the solar system. D. They are minor planets or planetoids that have been planets but did not fully form. For items 28 and 29, refer to the pictures below. 28. Which of the following correctly identifies the three types of fault? A. picture 1 is reverse fault, picture 2 is strike-slip fault, and picture 3 is normal fault B. picture 1 is normal fault, picture 2 is strike-slip fault, and picture 3 reverse fault C.picture 1 is reverse fault, picture 2 is normal fault, and picture 3 is strike-slip fault D.picture 1 is strike-slip fault, picture 2 is normal fault, and picture 3 is reverse fault 29. Which picture above shows the type of fault movement which happens when the hanging wall has moved downward with respect to the foot wall along the dip direction? A. picture 1 B. picture 2 C. picture 3 D. none is correct 30. What kind of fault occurs when portions of the ground slide past each other due to the forces that tend to push sections of the earth's crust in different directions? A. 31. Below is the diagram of the specific parts of a fault. Which of the following correctly gives the names of its parts? A. 1-fault, 2-foot wall, 3-hanging wall, 4--fault plane B. 1-hanging wall, 2-fault, 3-fault plane, 4-foot wall C. 1-fault plane, 2-hanging wall, 3-foot wall, 4-fault D.1-fault, 2-foot wall, 3-hanging wall, 4-fault plane 32. In the picture 1 on the right, A. 1 B. 2 C. 3 D. 4 33. What causes movement of A. B. It is caused by the flow of ocean water under the land. C. It is caused by the blowing of winds due to temperature and pressure differences of air. D. None of the choices is correct. 34. How do people from PHIVOLCS called seismologists describe the strength of an earthquake? A.by intensity and magnitude C. by referring to the focus and epicenter B. by intensity and force D. by magnitude and velocity 35. Which of the following statements is true about the earthquake's focus? A. B. C. D. It is the point where the waves are attracted. 36. When you hear about an earthquake that occurred, the description of it usually includes a number from 1 to 9 on the Richter scale. What characteristic of an earthquake is being described? A. 37. Which of the following statements is TRUE about the earthquake's focus? A. It is the point where the most surface damage will occur. B. It is the point where the seismic waves originate and spread out. C. It is the point directly above the point of origin of the earthquake. D. It is the point where the waves are attracted. 38. What places are found along the west valley fault that could possibly experience a magnitude 7.2 earthquake? (Refer to the map on the right) A. Cavite City, Morong,Teresa B.Taguig, Marikina, Antipolo C. Rodriguez, San Mateo, Cainta D. Meycauayan, Caloocan, Valenzuela 39. What is the difference between active and inactive faults? A. Active faults cause bending of rocks while inactive faults do not cause bending of rocks. B. Inactive faults cause bending of rocks while active faults do not cause bending of rocks. C. Active faults have moved and caused earthquakes in the past and are expected to move again in the near future, while inactive faults have moved in the past but are not expected to move again in the near future. D. Active faults have moved in the past and are not expected to move again in the near future, while inactive faults have moved and caused earthquakes in the past and are expected to move again in the near future 40. What is the active fault that passes our region? A. Marikina Valley Fault C. Central Leyte Fault B. West Ilocos Fault System D. Philippine Fault Zone 41. Comets can be classified as long-period comets and short-period comets. What is the difference between a long-period comet and a short-period comet? A. Long-period comets take 100 to 200 years to complete their orbit while short-period comets take 1to 75 years to complete their orbit. B. Short-period comets take 100 to 200 years to complete their orbit while long-period comets take 1to 75 years to complete their orbit. C. Long-period comets take 200 to hundred millions of years to complete their orbit while short-period comets take 75 to 200 years to complete their orbit. D. Short-period comets take 200 to hundred millions of years to complete their orbit while long-period comets take 75 to 200 years to complete their orbit. 42. Which of the following statements best describes a comet? A. Comets are icy objects that contain elements sodium and argon B. Comets are composed of silicates and metals C. Comets are called minor planers and planetoids D. Comets are rocky fragments 43. Comets, like how planets do, move around the sun in their respective orbits. One of the famous comets known to man is the Halley's comet which orbits the sun every 75 or 76 years. In the past, it was seen in the night sky during the years 1758, 1835, 1910, and 1986. When is its next possible appearance? A. 2016 B. 2050 C. 2062 D. 2020 For questions 44-46 refer to the picture of the Typhoon Sendong inside the Philippine Area of Responsibility (PAR) below. 44. In what direction does Typhoon Sendong moves in the Philippine Area of Responsibility (PAR)? A. Northwest direction, Luzon Region B. Northwest direction, Visayas Region C. West direction, Visayas Region D. West direction, Mindanao Region 45. Where did Typhoon Sendong forms? A. In the Pacific Ocean B. In the Celebes Sea C. In the Indian Ocean D. In the West Philippine Sea 46. Where did the Typhoon Sendong dies out? A. In the Pacific Ocean C. In the water, outside the PAR B. In the region of Mindanao D. In the Visayas Region For questions 47-49 refer to the picture of the Philippine Area of Responsibility (PAR) below.  47. If a typhoon is located at 15^o^N, 121^o^E, is it affecting places in the Philippines? A. B. C. Yes because the typhoon is directly above the center of Luzon. D. 48. Given the following latitudes and longitudes, which of the following typhoons is not found within the Philippine Area of Responsibility (PAR)? A. Typhoon Ambo (15^o^N, 117^o^E) C. Typhoon Carina (21^o^N, 117^o^E) 49. Given the exact coordinates of the PAR (5°N 115°E, 15°N 115°E, 21°N 120°E, 25°N 135°E and 5°N 135°E.), which of the following could be found inside the PAR? 50. Which government agency in the Philippines monitors the earthquake? A. DOST B. DENR C. NDRMMC D. PHIVOLCS Feedback/Comments : \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_