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Direction: Choose the letter of the best answer. Write your answer on the space provided for.
1. What layer of the earth is made of tectonic plate?
A. crust en B. mantle C. inner core D. outer core
2. Which of the following event causes an earthquake? 501 nisilom
A. too much heat from the sun C. movement of crustal plates B. changing temperatures D. mixture of crustal plates
3. What layer of the earth is made of tectonic plate?
A. crust B. mantle C. inner core D. outer core
4. This refers to the amount of energy released by the earthquake from its origin.
A. focus B. intensity C. epicenter D. magnitude
5. Which of the following refers to the ground above the focus?
A. epicenter B. focus C. fault line D. cracks
5. Which phrase below would best describe the plate movements that cause an earthquake?
A. friction being released as two plates move apart B. friction between two sliding plates, releasing energy C. smooth sliding between two plates, a gradual movement D. smooth pulling apart of two plates, a gradual movement
6. What is a large wave caused by an underwater earthquake. A. vent B. tsunami in C. volcano D. seafloor spread
7. Scientists can earthquakes by using seismographs, the Mercalli Scale and the Richter Scale.
A. cause B. measure C. predict D. weaken
8. Tsunami occurs when
A. an earthquake is weak C. an earthquake occurs on land B. an earthquake is strong D. an earthquake occurs in the ocean floor
9. Engineers are designing a 10-storey building in an area where seismic activity has been declared. They are planning to make sure that the building can withstand an earthquake. Which would be the most effective procedure for this?
A. Apply simulated earthquake forces to a scale model of the building. B. Apply simulated earthquake forces during the construction of the building. C. Apply simulated earthquake forces to the entire building once it has been built. D. Apply simulated earthquake forces that were used on other buildings built in the same area.
10. Earthquakes can cause displacement of buildings and cracks on the earth's surface; at which magnitude can this be most evident?
B. magnitude 6 A. magnitude 4 C. magnitude 5 D. magnitude 7
11. What do you call the fast-moving current of hot gas and rock moving away from a volcano?
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