TINGCO NATIONAL HIGH SCHOOL Grade 10 SCIENCE SY 2020-2021 SUMMATIVE TEST 1 (WEEK 1&2) Name: _________________________________ Section: ___________________ Score: _____________ I. Multiple Choice. Write the letter of the best answer on the blank provided. 1. How many sub layers does the Earth’s crust have? A. 1-layer B. 3 layers C. 2 layers D. 4 layers 2. Which crust is thinnest and denser? A. Continental Crust B. Lithospheric Crust C. Earth’s crust D. Oceanic Crust 3. Which rock comprises the Oceanic crust? A. Aluminum B. Granite C. Basalt D. Iron 4. Which of the following BEST describe Continental crust? A. It is made of granite rocks B. It is made of thin and has denser materials C. It is the thinnest layer D. It is made of younger layer of rocks 5. Which rock comprises the Continental Crust? A. Aluminum B. Granite C. Basalt D. Iron 6. Which of the following is part of tectonic plates? A. It is composed of continents but not ocean basins B. It is composed of ocean basins but not continents C. It is both composed ocean basins and continents D. It is composed of continents only. 7. Which of the following is TRUE about boundaries between the Earths plate? A. The plate boundaries are never part of the continents B. The plate boundaries are always located in ocean basins C. The plate boundaries are located in ocean and continents D. The plate boundaries are always at the continents 8. Which layer of the Earth is divided into Tectonic plates? A. Core B. Lithosphere C. Hydrosphere D. Mantle 9. What theory states that the Earth is divided into a slowly moving plate? A. Bowl’s Tectonics C. Sea Floor Spreading Theory B. Plate Tectonics Theory D. Wegener’s Theory 10. What year was the theory of Plate Tectonics accepted? A. 1930 B. 1960 C. 1940 D. 1990 11. You were asked to locate the epicenter of a recent earthquake. Which correct sequence of events should you follow? i. Determine the difference in the arrival time of S and P waves recorded from each of the seismological stations. ii. Use the triangulation method to locate the center. iii. Obtain data from three different seismological stations. iv. Determine the distance of the epicenter from the station. A. i, iii, ii, iv B. iii, i, iv, ii C. iii, iv, i, ii D. iv, ii, i, iii 12. You were provided with data showing the arrival time of the P and S waves recorded from three seismic stations. Which of these can you possibly determine? A. the damage at the focus C. the intensity of the earthquake B. the distance to the earthquake D. the location of the epicenter 13. From the seismogram, the distance to the epicenter can be determined by measuring _____________. A. the arrival time of surface wave B. the difference in the arrival times of the P and S waves. C. the ratio of the amplitude of the largest P and S waves. D. the speed of the surface wave. 14. What is the distance of the epicenter from a certain recording station if the difference in arrival time of P and S waves is 1 minute in 10 seconds? A. 850 km B. 900 km C. 875 km D. 925 km 15. Locating earthquake epicenter is important because it will pinpoint________. A. fault line B. plate boundary C. focus D. another epicenter 16. Where do most volcanoes on Earth exist? A. Along the equator C. On land B. On the ocean floor D. over the hotspots 17. All hotspots rise beneath oceanic plates. A. True B. False 18. Why is Pacific ring of fire being dangerous? A. Risk for subduction zone C. No tectonic fractures B. Flooded prone area D. all of the given 19. Which is likely to happen when the countries are lying near the plate boundaries? A. Earthquake B. volcanic eruptions C. typhoon D. both A and b 20. Most volcanoes are connected around the Ring of Fire, which encircles what ocean? A. Atlantic B. Indian C. Pacific D. Arctic II. Directions: Write T if the statement is correct and F if otherwise. _________________1. Earthquakes are random movement of the earth and may occur anywhere in the world. _________________2. Seismographs are used to record huge earthquakes only. _________________3. Earthquakes and volcanism are interrelated. _________________4. There is an equal distribution of earthquake incidences around the world. _________________5. Volcanoes are characterized by craters that reach deep within the lithosphere. “Don’t strive for higher grades, always strive for higher learning because exams only test your memory but Life will always test your learnings.”-Anonymous God Blessī
