"Instructions: Differentiate magnitude from intensity. Choose your answer from the choices below the questions. Write the CAPITAL LETTER of the correct answer only in your answer sheet Characteristics Magnitude Intensity 1. What does it measure? A. Measures the effects caused by an earthquake 11. 12 B. Measures the energy released by an earthquake 2. What measuring tool is used? A. Uses a seismograph 13 14. B. Uses observations (what people see, hear, and feel) 3. How is it calculated? A Measurement is quantitative, exact, and measures the size 15. 18. B. Measurement is descriptive/subjective, and measures the effect of shaking 4. What scale is used? A. Uses the PEIS Scale from I to X 17. 18 B. Uses the Richter Scale from 1.0 to 9.0+ 5. How consistent is the measurement? 19. 20. A. It is given a single numerical value. B. It is given a value depending on the effects of shaking.
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Answer:
1. B
Explanation: the magnitude of an earthquake is a number, which is a measure of energy released in an earthquake.
2. A
Explanation: Magnitude can only be measured with the use of an instrument. It doesn't rely on what people see hear or feel.
3. A
Explanation: Magnitude is quantitative. Intensity is qualitative.
4. B
Explanation: It uses the Richter Scale.
5. A
Explanation: When an earthquake occurs, its magnitude can be given a single numerical value on the Richter Magnitude Scale.